Detailed information about the 100 most recent patent applications.
| Application Number | Title | Filing Date | Disposal Date | Disposition | Time (months) | Office Actions | Restrictions | Interview | Appeal |
|---|---|---|---|---|---|---|---|---|---|
| 18291244 | METHOD AND DEVICE FOR SEPARATION AND RECOVERY OF HEAVY METAL IONS BY MEMBRANE-FORMING MINERALIZATION FIXATION | December 2025 | January 2026 | Allow | 24 | 1 | 0 | No | No |
| 19400304 | System And Method For Filtration Of Industrial And Mobile Fluids | November 2025 | March 2026 | Allow | 3 | 0 | 0 | Yes | No |
| 19385233 | PROCESS AND SYSTEM FOR SIMULTANEOUS NITRIFICATION AND DENITRIFICATION | November 2025 | January 2026 | Allow | 3 | 0 | 0 | Yes | No |
| 19382436 | DESALINATION SYSTEM WITH POLYIMIDE MEMBRANE | November 2025 | February 2026 | Allow | 3 | 0 | 0 | Yes | No |
| 19368121 | Methods And Systems For Separating Metals | October 2025 | January 2026 | Allow | 3 | 1 | 0 | No | No |
| 19342182 | DRINK MAKER WITH DETACHABLY CONNECTABLE MIXING VESSEL | September 2025 | March 2026 | Allow | 5 | 2 | 0 | Yes | No |
| 19333495 | COMPOSITE FILTER BODY | September 2025 | March 2026 | Allow | 6 | 1 | 0 | No | No |
| 19329762 | HYBRID SOLAR STILL AND ANAEROBIC MEMBRANE BIOREACTOR FOR WASTEWATER TREATMENT | September 2025 | March 2026 | Allow | 6 | 1 | 0 | No | No |
| 19324182 | ROTARY DRIPPING AROMATHERAPY HUMIDIFIER | September 2025 | November 2025 | Allow | 2 | 0 | 0 | No | No |
| 19320712 | HYDRAULIC CLEANING APPARATUS FOR PARTICULATE MATTER REDUCTION DEVICE WITH RAPID DRYING AND DIFFERENTIAL PRESSURE MEASUREMENT CAPABILITY | September 2025 | October 2025 | Allow | 1 | 0 | 0 | No | No |
| 19312867 | CYCLOOCTANE CONTAINING SEAL SWELLING COMPOSITIONS AND METHODS FOR USE OF SAME | August 2025 | November 2025 | Allow | 2 | 0 | 0 | No | No |
| 19307395 | MIST COLLECTION AND SEPARATION ASSEMBLY | August 2025 | November 2025 | Allow | 3 | 1 | 0 | Yes | No |
| 19304453 | CLEANING DEVICE | August 2025 | October 2025 | Allow | 2 | 0 | 0 | No | No |
| 19300934 | GRAFTED POLYAMIDE MEMBRANE FOR NANOFILTRATION APPLICATIONS | August 2025 | November 2025 | Allow | 3 | 0 | 0 | No | No |
| 19296083 | HIERARCHICALLY ORDERED CRYSTALLINE MICROPOROUS MATERIALS WITH LONG-RANGE MESOPOROUS ORDER HAVING CUBIC SYMMETRY | August 2025 | January 2026 | Allow | 5 | 0 | 0 | No | No |
| 19291718 | Multilayer Vent Assembly | August 2025 | January 2026 | Allow | 5 | 1 | 0 | No | No |
| 19284578 | ROW-INDEPENDENT OLIGONUCLEOTIDE SYNTHESIS | July 2025 | January 2026 | Allow | 5 | 1 | 0 | No | No |
| 19282083 | INTELLIGENT TRICKLING FILTER WATER RECYCLING TECHNOLOGY SUPPORTING ENERGY EFFICIENT EVAPORATIVE COOLING FOR DATA CENTER HEAT DISSIPATION | July 2025 | December 2025 | Allow | 5 | 0 | 0 | No | No |
| 19281579 | METHOD OF PHOTOCATALYTIC DEGRADATION OF A POLLUTANT USING NANOCOMPOSITE | July 2025 | September 2025 | Allow | 2 | 0 | 0 | No | No |
| 19279203 | DIRECT ELECTRICAL HEATING OF PROCESS HEATER TUBES USING GALVANIC ISOLATION TECHNIQUES | July 2025 | December 2025 | Allow | 5 | 1 | 0 | No | No |
| 19273275 | SYSTEMS AND METHODS FOR COLLECTING AND TRANSPORTING BIOFUEL COMPONENTS | July 2025 | November 2025 | Allow | 4 | 1 | 1 | Yes | No |
| 19270589 | TRANSESTERIFICATION CATALYST FOR BIODIESEL SYNTHESIS | July 2025 | December 2025 | Allow | 5 | 0 | 1 | No | No |
| 19271627 | CALCIUM METABORATE/LEAD TETROXIDE/MAGNESIUM BORATE/CARBON NANOCOMPOSITE AND METHOD OF PREPARATION | July 2025 | October 2025 | Allow | 3 | 1 | 0 | No | No |
| 19269585 | Apparatus and Method for Purification of Gas Mixtures | July 2025 | September 2025 | Allow | 2 | 0 | 0 | No | No |
| 19266138 | REMOVAL OF WATER POLLUTANT USING CALCIUM METAVANADATE /CALCIUM SILICATE/ GRAPHITE-PHASE CARBON NITRIDE (CaV2O6/CaSiO3/g-C3N4) NANOCOMPOSITE | July 2025 | November 2025 | Allow | 4 | 0 | 1 | Yes | No |
| 19261375 | WATER GENERATION UNIT AND SYSTEM | July 2025 | August 2025 | Allow | 1 | 0 | 0 | Yes | No |
| 19258875 | Intelligent Low-Carbon Treatment and Reuse System for Stormwater and Wastewater | July 2025 | September 2025 | Allow | 3 | 1 | 0 | No | No |
| 19256934 | SELECTIVE EXTRACTION OF THIOPHENE FROM THIOPHENE/N-HEPTANE USING A POLY(VINYL ACETATE)/WATER MEMBRANE SYSTEM | July 2025 | August 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19257018 | WATER SURFACE AUTOMATIC CLEANING APPARATUS | July 2025 | February 2026 | Allow | 7 | 3 | 0 | Yes | No |
| 19254652 | METHOD FOR CORRECTING MOVABLE HYDROCARBON CONTENT OF HIGH GAS-OIL RATIO SHALE OIL BASED ON PHASE BEHAVIOR AND ROCK PYROLYSIS | June 2025 | November 2025 | Allow | 4 | 1 | 0 | No | No |
| 19254687 | PRODUCTION PROCESS, EQUIPMENT AND SYSTEM FOR FACTORY-MIXED WARM AND HOT RECYCLED ASPHALT MIXTURE | June 2025 | September 2025 | Allow | 3 | 1 | 0 | No | No |
| 19250482 | PARTICULATE CRYSTALLINE NANOCOMPOSITE AND ADSORBENT | June 2025 | September 2025 | Allow | 2 | 1 | 0 | No | No |
| 19250391 | PARTICULATE CRYSTALLINE NANOCOMPOSITE AS A SORBENT FOR WASTEWATER TREATMENT | June 2025 | August 2025 | Allow | 2 | 1 | 0 | No | No |
| 19247547 | METHOD FOR SEPARATING NONPOLAR HYDROCARBON FROM WATER | June 2025 | August 2025 | Allow | 1 | 0 | 0 | Yes | No |
| 19245521 | RECYCLABLE CATALYST FOR CARBON DIOXIDE CAPTURE | June 2025 | September 2025 | Allow | 3 | 1 | 0 | No | No |
| 19244135 | Methods And Systems For Separating Metals | June 2025 | September 2025 | Allow | 3 | 1 | 0 | No | No |
| 19244687 | SALINE WATER VAPOR ABSORPTION REFRIGERATION SYSTEM | June 2025 | August 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19244806 | COMMON HOUSING VAPOR ABSORPTION REFRIGERATION SYSTEM | June 2025 | August 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19244726 | DUAL HOUSING VAPOR ABSORPTION REFRIGERATION SYSTEM | June 2025 | July 2025 | Allow | 1 | 0 | 0 | Yes | No |
| 19243768 | METHOD FOR CLEANING A FOULED WATER PURIFICATION MEMBRANE | June 2025 | September 2025 | Allow | 3 | 0 | 0 | No | No |
| 19243763 | METHOD FOR PHOTOCATALYTIC DEGRADATION OF ORGANIC POLLUTANTS | June 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19243757 | POROUS SELF-CLEANING PHOTOCATALYTIC MEMBRANE | June 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19243771 | POROUS WATER DECONTAMINATION MEMBRANE | June 2025 | September 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19242957 | SYSTEM AND METHOD FOR SOFTENING HIGH-SALINITY WATER VIA SELF-INDUCED CALCIUM BICARBONATE CRYSTALLIZATION IN FLUIDIZED BED | June 2025 | November 2025 | Allow | 5 | 1 | 0 | No | No |
| 19242313 | THREE-DIMENSIONALLY PRINTED LATTICE STRUCTURE FOR THERMAL ENERGY GENERATION | June 2025 | January 2026 | Allow | 7 | 2 | 0 | No | No |
| 19240066 | Synthetic Fuel Synthesis | June 2025 | January 2026 | Abandon | 7 | 1 | 0 | No | No |
| 19240244 | FLUID CATALYTIC CRACKING CATALYST FOR ORGANIC POLLUTANT WASTEWATER TREATMENT | June 2025 | October 2025 | Allow | 4 | 0 | 0 | Yes | No |
| 19241332 | METHOD OF MAKING A FILTER WITH GROUND ANIMAL BONE GRANULES AND FILTERING THEREWITH | June 2025 | September 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19240758 | SWIMMING POOL ROBOT AND METHOD FOR CONTROLLING SWIMMING POOL ROBOT | June 2025 | November 2025 | Allow | 5 | 1 | 0 | No | No |
| 19241270 | AUTOMATIC POOL CLEANING APPARATUS | June 2025 | July 2025 | Allow | 1 | 0 | 0 | Yes | No |
| 19239753 | METHODS AND SYSTEMS FOR STARTING UP AND OPERATING ONE OR MORE VAPOR-RECOMPRESSION UNITS | June 2025 | November 2025 | Allow | 5 | 1 | 0 | No | No |
| 19239827 | CONTROL METHOD FOR DELAYING NANOFILTRATION MEMBRANE ALUMINUM FOULING OF WATER TREATMENT SYSTEM | June 2025 | October 2025 | Allow | 4 | 1 | 0 | No | No |
| 19238128 | CATALYST FOR ETHYLBENZENE DEHYDROGENATION TO FORM STYRENE | June 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19238347 | MIXER | June 2025 | December 2025 | Allow | 7 | 1 | 0 | Yes | No |
| 19237046 | METHOD FOR TREATING POLLUTED ACIDIC WASTEWATER FROM SMELTING WITH ACTIVATED PYRITE CONCENTRATE | June 2025 | September 2025 | Allow | 3 | 0 | 0 | No | No |
| 19236767 | MULTICOMPONENT NANOCOMPOSITE MATERIAL | June 2025 | September 2025 | Allow | 4 | 1 | 0 | No | No |
| 19231950 | Systems and Methods for Production of Potable Water By Recycling Processed Wastewater Streams | June 2025 | October 2025 | Allow | 5 | 1 | 0 | Yes | No |
| 19230945 | SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING | June 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19229043 | INTELLIGENT WASTEWATER PURIFICATION AND TREATMENT DEVICE | June 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19229124 | WATER TREATMENT APPARATUS | June 2025 | August 2025 | Allow | 2 | 1 | 0 | No | No |
| 19228271 | SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING | June 2025 | July 2025 | Allow | 2 | 0 | 0 | No | No |
| 19228732 | VERSATILE PHYSICOCHEMICAL WATER TREATMENT SYSTEM AND METHOD | June 2025 | September 2025 | Allow | 4 | 0 | 1 | No | No |
| 19226193 | BIOMASS/IRON-BASED ORGANIC FRAMEWORK COMPOSITE AND PREPARATION METHOD AND USE THEREOF | June 2025 | November 2025 | Allow | 6 | 1 | 0 | Yes | No |
| 19227274 | INTELLIGENT MODULAR MEMBRANE-BASED INTEGRATEDAPPARATUS AND METHOD FOR RURAL DOMESTIC SEWAGE TREATMENT | June 2025 | October 2025 | Allow | 4 | 1 | 0 | No | No |
| 19224800 | DUST REDUCTION DEVICE FOR BUILDING ENGINEERING | May 2025 | August 2025 | Allow | 3 | 1 | 0 | No | No |
| 19220224 | IN-SITU MYCOREMEDIATION SYSTEM AND PROCESS | May 2025 | November 2025 | Allow | 6 | 2 | 0 | No | No |
| 19220452 | Lifting Mechanism for Food Processor | May 2025 | August 2025 | Allow | 3 | 0 | 0 | No | No |
| 19221296 | THREE-WAY VALVE AND OXYGEN CONCENTRATOR | May 2025 | June 2025 | Allow | 1 | 0 | 0 | No | No |
| 19220017 | SYSTEMS FOR PEAK SHAVING WITH COUPLED SURPLUS ENERGY UTILIZATION AND SOLID WASTE TREATMENT | May 2025 | August 2025 | Allow | 3 | 0 | 0 | No | No |
| 19216086 | METHOD FOR REMOVING HEAVY METAL IONS FROM WATER | May 2025 | July 2025 | Allow | 2 | 1 | 0 | Yes | No |
| 19216169 | METHOD FOR ISOLATING A HEAVY METAL ION FROM AN AQUEOUS SOLUTION | May 2025 | July 2025 | Allow | 2 | 1 | 0 | Yes | No |
| 19214836 | DOME-SHAPED SOLAR WATER PURIFICATION SYSTEM | May 2025 | December 2025 | Allow | 6 | 1 | 0 | No | No |
| 19213873 | PARTICLE REPELLING ARRANGEMENT | May 2025 | August 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19213204 | NANOCOMPOSITE FOR THE IMMOBILIZATION OR DEGRADATION OF POLLUTANTS | May 2025 | August 2025 | Allow | 3 | 0 | 0 | No | No |
| 19212545 | ELECTROSTATIC FILTRATION ARRANGEMENT | May 2025 | July 2025 | Allow | 2 | 0 | 0 | No | No |
| 19211681 | THERMOELECTRIC DISTILLATION APPARATUS | May 2025 | July 2025 | Allow | 2 | 1 | 0 | No | No |
| 19210917 | AIR CLEANER AND FILTRATION ASSEMBLIES | May 2025 | August 2025 | Allow | 3 | 1 | 0 | No | No |
| 19210888 | FILTER ELEMENTS AND ASSEMBLIES | May 2025 | July 2025 | Allow | 2 | 0 | 0 | No | No |
| 19210462 | CABIN AIR FILTER REMOVAL AND INSTALLATION TOOL AND METHOD OF USING THE SAME | May 2025 | October 2025 | Allow | 5 | 1 | 0 | No | No |
| 19208641 | METHOD FOR SEPARATING AN OIL-WATER EMULSION | May 2025 | October 2025 | Allow | 5 | 1 | 1 | Yes | No |
| 19206605 | HYDROCARBON LIQUID BASED CHEMICAL COMPOSITIONS AND TREATMENT METHODS USING SAME FOR REMEDIATING H2S AND OTHER CONTAMINANTS IN FLUIDS AND MIXTURES OF CONTAMINATED FLUIDS | May 2025 | October 2025 | Allow | 6 | 2 | 0 | No | No |
| 19206220 | SYSTEM FOR DESALINATING WATER WITH MULTIPLE DESALINATION PROCESSES | May 2025 | November 2025 | Allow | 6 | 1 | 0 | Yes | No |
| 19206032 | ANGLE-VARIABLE STIRRING AND SEPARATING DEVICE FOR HIGH-VALUE COMPONENTS OF WASTE PCB AND CONTROL METHOD THEREOF | May 2025 | November 2025 | Allow | 6 | 1 | 0 | No | No |
| 19205930 | MISTING FAN | May 2025 | October 2025 | Allow | 5 | 1 | 0 | No | No |
| 19204954 | CARBON CAPTURE SYSTEMS AND METHODS OF USE | May 2025 | August 2025 | Allow | 3 | 1 | 0 | Yes | No |
| 19202657 | CHEMICAL DISTILLATION SYSTEM WITH IN SITU ANALYTICS | May 2025 | March 2026 | Allow | 10 | 1 | 1 | No | No |
| 19201491 | Process and apparatus for recovering rare earth elements from coal refuse | May 2025 | August 2025 | Allow | 3 | 1 | 0 | No | No |
| 19197645 | UPGRADING OF LOW VALUE LIPID FEEDSTOCKS FOR REFINERY PROCESSING | May 2025 | August 2025 | Allow | 3 | 0 | 0 | No | No |
| 19196083 | Continuous Clean Centrifuge | May 2025 | July 2025 | Allow | 3 | 0 | 0 | No | No |
| 19192746 | FIBER BED FILTER AND MIST ELIMINATOR SYSTEM WITH EHNANCED DRAINAGE | April 2025 | November 2025 | Allow | 6 | 1 | 0 | Yes | No |
| 19193821 | Cleaning Device | April 2025 | November 2025 | Allow | 6 | 1 | 1 | No | No |
| 19192589 | THERMOSTATIC BOXES FOR PREPARING HYDROGELS BY FREEZE-THAW PROCESSES AND PREPARATION METHODS THEREOF | April 2025 | July 2025 | Allow | 2 | 0 | 0 | No | No |
| 19193892 | BIOENHANCER BASED ON MOLYBDENUM DISULFIDE COMPOSITE MATERIAL, PREPARATION METHOD AND APPLICATION THEREOF | April 2025 | November 2025 | Allow | 7 | 1 | 0 | No | No |
| 19191634 | BRINE WATER DESALINATION SYSTEM AND METHOD OF CONTROL | April 2025 | August 2025 | Allow | 4 | 1 | 0 | No | No |
| 19191551 | METHOD FOR CONTROLLING DESALINATION SYSTEM | April 2025 | August 2025 | Allow | 3 | 1 | 0 | No | No |
| 19191480 | DESALINATION METHOD | April 2025 | August 2025 | Allow | 4 | 1 | 0 | Yes | No |
| 19190876 | POLYPROPYLENE BAG SORBENT DEVICE | April 2025 | June 2025 | Allow | 1 | 0 | 0 | Yes | No |
| 19188095 | MULTI POWDER MIXING SYSTEM | April 2025 | June 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19187971 | BIOMASS FUEL PROCESSING PELLET MILLS AND CONTROL METHODS THEREOF | April 2025 | August 2025 | Allow | 3 | 1 | 0 | No | No |
| 19186816 | Methods of PFAS Destruction using UV Irradiation at 222 Nanometers | April 2025 | February 2026 | Allow | 10 | 2 | 0 | No | No |
This analysis examines appeal outcomes and the strategic value of filing appeals for group 1770.
With a 32.9% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is above the USPTO average, indicating that appeals have better success here than typical.
Filing a Notice of Appeal can sometimes lead to allowance even before the appeal is fully briefed or decided by the PTAB. This occurs when the examiner or their supervisor reconsiders the rejection during the mandatory appeal conference (MPEP § 1207.01) after the appeal is filed.
In this dataset, 31.5% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is below the USPTO average, suggesting that filing an appeal has limited effectiveness in prompting favorable reconsideration.
✓ Appeals to PTAB show good success rates. If you have a strong case on the merits, consider fully prosecuting the appeal to a Board decision.
⚠ Filing a Notice of Appeal shows limited benefit. Consider other strategies like interviews or amendments before appealing.
Group 1770 is part of Technology Center 1700. This group has examined 104,395 patent applications in our dataset, with an overall allowance rate of 68.8%. Applications typically reach final disposition in approximately 30 months.
Applications in Group 1770 receive an average of 1.83 office actions before reaching final disposition. The median prosecution time is 30 months.
This group-level data aggregates statistics across multiple art units. For more targeted prosecution strategies, review the individual art unit and examiner statistics within this group.
Not Legal Advice: The information provided in this report is for informational purposes only and does not constitute legal advice. You should consult with a qualified patent attorney or agent for advice specific to your situation.
No Guarantees: We do not provide any guarantees as to the accuracy, completeness, or timeliness of the statistics presented above. Patent prosecution statistics are derived from publicly available USPTO data and are subject to data quality limitations, processing errors, and changes in USPTO practices over time.
Limitation of Liability: Under no circumstances will IronCrow AI be liable for any outcome, decision, or action resulting from your reliance on the statistics, analysis, or recommendations presented in this report. Past prosecution patterns do not guarantee future results.
Use at Your Own Risk: While we strive to provide accurate and useful prosecution statistics, you should independently verify any information that is material to your prosecution strategy and use your professional judgment in all patent prosecution matters.