Detailed information about the 100 most recent patent applications.
| Application Number | Title | Filing Date | Disposal Date | Disposition | Time (months) | Office Actions | Restrictions | Interview | Appeal |
|---|---|---|---|---|---|---|---|---|---|
| 19335710 | SYSTEMS AND METHODS FOR PHASE-SAFE AMMONIA VAPOR FUEL DELIVERY TO AN INTERNAL COMBUSTION ENGINE | September 2025 | February 2026 | Allow | 5 | 0 | 0 | No | No |
| 19166738 | METHOD FOR INSTALLING A WIND TURBINE TOWER | September 2025 | March 2026 | Allow | 6 | 0 | 0 | No | No |
| 19329798 | FLUID END WITH THREADED DYNAMIC SECTION | September 2025 | February 2026 | Allow | 5 | 0 | 0 | No | No |
| 19328754 | TURBINE ENGINE WITH A PRIMARY STAGE OF AIRFOILS AND A SUBSIDIARY STAGE OF AIRFOILS | September 2025 | December 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19323975 | RECIRCULATING INERTIAL HYDRODYNAMIC PUMP AND WAVE ENGINE | September 2025 | February 2026 | Allow | 5 | 0 | 0 | No | No |
| 19321623 | TURBINE ROTOR BLADE TIP SHROUD SURFACE AND EDGE PROFILES | September 2025 | October 2025 | Allow | 1 | 0 | 0 | No | No |
| 19320435 | AIRCRAFT ENGINE | September 2025 | January 2026 | Allow | 4 | 0 | 0 | Yes | No |
| 19321141 | Thermal Energy Storage System for Use with a Low Temperature Heat Source and a Thermal Power Cycle System | September 2025 | December 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19312514 | OCEAN WAVE AND TIDAL CURRENT ENERGY CONVERSION SYSTEM | August 2025 | February 2026 | Allow | 6 | 2 | 1 | No | No |
| 19311469 | TURBINE SHAFT SEALING DEVICE | August 2025 | November 2025 | Allow | 3 | 0 | 0 | No | No |
| 19311886 | GEARED GAS TURBINE ENGINE | August 2025 | October 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19308538 | SEAL ASSEMBLY FOR GAS TURBINE ENGINES | August 2025 | February 2026 | Allow | 6 | 0 | 0 | No | No |
| 19305842 | THERMOMECHANICALLY ACTUATED PV CLEANING SYSTEM | August 2025 | February 2026 | Allow | 6 | 0 | 0 | Yes | No |
| 19301499 | Spring Push Blade Iron Lock | August 2025 | March 2026 | Allow | 7 | 1 | 1 | Yes | No |
| 19299032 | FLUID SPRAYER WITH COVERED BATTERY | August 2025 | March 2026 | Allow | 7 | 0 | 0 | No | No |
| 19297441 | LOW CARBON EMISSION HYDROGEN PRODUCTION | August 2025 | February 2026 | Allow | 6 | 0 | 0 | Yes | No |
| 19298024 | Luminous Computer Monitor Cooling Fan | August 2025 | November 2025 | Allow | 4 | 1 | 0 | No | No |
| 19295875 | ACCRETION DETECTION SYSTEMS AND ASSOCIATED METHODS FOR GAS TURBINE ENGINES | August 2025 | October 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19294281 | TURBOCHARGER WITH NOZZLE RING POSITIONING ASSEMBLY | August 2025 | March 2026 | Allow | 7 | 1 | 0 | No | No |
| 19293888 | HYDROELECTRIC POWER GENERATION UTILIZING TIDAL FLOWS AND CORIOLIS FORCE | August 2025 | January 2026 | Allow | 6 | 0 | 0 | Yes | No |
| 19293033 | DUAL-DUCT AIR PUMP | August 2025 | December 2025 | Allow | 4 | 1 | 0 | No | No |
| 19293191 | Hybrid Drive Systems for Well Stimulation Operations | August 2025 | December 2025 | Allow | 4 | 0 | 0 | No | No |
| 19292361 | MEDICAL DEVICES AND RELATED SYSTEMS AND METHODS | August 2025 | December 2025 | Allow | 5 | 0 | 0 | No | No |
| 19291201 | FLUID END WITH THREADED DYNAMIC SECTION | August 2025 | March 2026 | Allow | 7 | 1 | 0 | No | No |
| 19289631 | BREASTMILK COLLECTION | August 2025 | February 2026 | Allow | 7 | 0 | 1 | Yes | No |
| 19289092 | HOLLOW-STRUCTURED COOLING FAN | August 2025 | September 2025 | Allow | 1 | 0 | 0 | Yes | No |
| 19288433 | TURBINE ENGINE INCLUDING A GAS PATH COMPONENT HAVING A HYDROPHOBIC COATING | August 2025 | February 2026 | Allow | 6 | 1 | 0 | Yes | No |
| 19288302 | AIR OUTLET DEVICE AND FAN | August 2025 | October 2025 | Allow | 3 | 0 | 0 | No | No |
| 19286790 | FLUID ROUTING PLUG | July 2025 | January 2026 | Allow | 6 | 0 | 0 | No | No |
| 19285677 | GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES | July 2025 | January 2026 | Allow | 6 | 0 | 0 | No | No |
| 19284076 | TURBINE EXHAUST DUCT WITH STIFFENERS FOR AIRCRAFT ENGINES | July 2025 | September 2025 | Allow | 2 | 0 | 0 | No | No |
| 19277730 | GAS TURBINE ENGINE HAVING A THRUST REVERSER SYSTEM WITH DRAG LINK CONNECTORS AT INTER-COMPRESSOR FRAME STRUCTURE | July 2025 | October 2025 | Allow | 3 | 0 | 0 | No | No |
| 19276301 | PORTABLE FAN WITH PREDICTABLE BATTERY LIFE AND METHOD FOR PREDICTING BATTERY LIFE THEREOF | July 2025 | October 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19275204 | TURBINE MODULE FOR A TURBOMACHINE | July 2025 | February 2026 | Allow | 6 | 1 | 0 | No | No |
| 19148982 | TREATMENT OF A NON-AXISYMMETRIC CASING COMPRISING A PLENUM, WITH CONTROLLED OPENING | July 2025 | March 2026 | Allow | 8 | 0 | 0 | Yes | No |
| 19269161 | Backpack Blower, Backpack Assembly and Backpack Power Assembly | July 2025 | February 2026 | Allow | 7 | 1 | 0 | No | No |
| 19265709 | GAS TURBINE ENGINE | July 2025 | February 2026 | Allow | 8 | 1 | 0 | Yes | No |
| 19265747 | GAS TURBINE ENGINE | July 2025 | February 2026 | Allow | 8 | 1 | 0 | Yes | No |
| 19257564 | GAS TURBINE ENGINE WITH FORWARD SWEPT OUTLET GUIDE VANES | July 2025 | December 2025 | Allow | 6 | 1 | 0 | Yes | No |
| 19256628 | COMPOSITE TIP AND TRAILING EDGE REINFORCEMENT FOR COMPOSITE FAN BLADE | July 2025 | February 2026 | Allow | 7 | 1 | 0 | No | No |
| 19256300 | GAS TURBINE ENGINES INCLUDING SPLITTERED AIRFOILS | July 2025 | September 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19255078 | AIRFOIL-MOUNTED ACOUSTIC RESONATOR ARRAY FOR GAS TURBINE ENGINE COMPONENT | June 2025 | March 2026 | Allow | 8 | 1 | 1 | Yes | No |
| 19253607 | RECIRCULATING INERTIAL HYDRODYNAMIC PUMP AND WAVE ENGINE | June 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19252967 | METHOD TO TIE COMPOSITE VANE PLATFORM AND AIRFOIL DESIGN DETAILS | June 2025 | January 2026 | Allow | 7 | 1 | 0 | No | No |
| 19249469 | SYSTEMS AND METHODS OF PROCESSING WASTE TO GENERATE ENERGY AND GREEN HYDROGEN | June 2025 | September 2025 | Allow | 3 | 1 | 0 | Yes | No |
| 19248571 | FUEL INJECTED INDEPENDENT ROTARY VALVE ENGINE | June 2025 | August 2025 | Allow | 2 | 1 | 0 | No | No |
| 19248574 | COMBUSTION INJECTION AND CONTROL METHOD FOR ROTARY VALVE ENGINE | June 2025 | August 2025 | Allow | 2 | 1 | 0 | No | No |
| 19247856 | GAS TURBINE ENGINE AND METHOD THEREOF FOR REDUCING NON-VOLATILE PARTICULATE MATTER EMISSIONS | June 2025 | February 2026 | Allow | 7 | 1 | 0 | No | No |
| 19246282 | GUIDE VANE ARRANGEMENT FOR USE IN A TURBINE | June 2025 | February 2026 | Allow | 7 | 1 | 0 | Yes | No |
| 19244283 | FAN COVER | June 2025 | February 2026 | Allow | 8 | 1 | 0 | No | No |
| 19241445 | THERMAL MANAGEMENT SYSTEM FOR A GAS TURBINE ENGINE | June 2025 | February 2026 | Abandon | 8 | 1 | 0 | No | No |
| 19242046 | TURBINE ENGINE WITH COMPOSITE AIRFOILS | June 2025 | December 2025 | Allow | 6 | 1 | 0 | No | No |
| 19140540 | FLOAT BOX WITH VALVE | June 2025 | January 2026 | Allow | 7 | 0 | 0 | No | No |
| 19239893 | CONTROL METHOD FOR DE-ICING BLADES OF A WIND POWER GENERATOR | June 2025 | October 2025 | Allow | 4 | 1 | 0 | No | No |
| 19239186 | TEST BLADE FOR GAS TURBINE ENGINE AND METHOD OF MAKING | June 2025 | February 2026 | Allow | 8 | 1 | 0 | No | No |
| 19236511 | GAS TURBINE ENGINE COMPRESSION SYSTEM WITH CORE COMPRESSOR PRESSURE RATIO | June 2025 | October 2025 | Allow | 4 | 1 | 0 | No | No |
| 19235903 | GAS TURBINE ENGINE | June 2025 | March 2026 | Allow | 9 | 1 | 0 | Yes | No |
| 19235686 | METHOD FOR SELECTING BOOSTER PUMP FOR CIRCUITING COOLING WATER OF BYPASS PIPING SYSTEM | June 2025 | December 2025 | Allow | 6 | 1 | 0 | Yes | No |
| 19235612 | FAN BLADE INSTALLATION STRUCTURE WITH MULTIPLE SAFETY MECHANISMS | June 2025 | October 2025 | Allow | 4 | 0 | 0 | No | No |
| 19235832 | OUTPUT ENERGY ADJUSTABLE GAS SPRING FASTENER DRIVE TOOL | June 2025 | October 2025 | Allow | 4 | 1 | 0 | No | No |
| 19236104 | VEHICLE | June 2025 | March 2026 | Allow | 9 | 0 | 0 | No | No |
| 19235235 | INJECTOR ASSEMBLY FOR AN ENGINE, AND AIRCRAFT | June 2025 | February 2026 | Allow | 8 | 1 | 0 | Yes | No |
| 19234090 | GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES | June 2025 | January 2026 | Allow | 7 | 0 | 0 | Yes | No |
| 19232069 | TURBINE AIRFOIL AND GAS TURBINE INCLUDING THE SAME | June 2025 | February 2026 | Allow | 8 | 1 | 0 | No | No |
| 19231787 | HANDHELD APPARATUS | June 2025 | September 2025 | Allow | 4 | 0 | 0 | No | No |
| 19137261 | COWL OF AN AIRCRAFT TURBINE ENGINE COMPRISING A CENTRAL GRIPPING INTERFACE | June 2025 | October 2025 | Allow | 5 | 0 | 0 | Yes | No |
| 19135844 | TURBINE ENGINE COMPRISING AN ACTUATOR AND AIRCRAFT COMPRISING SUCH A TURBINE ENGINE, AND CORRESPONDING ACTUATION METHOD | June 2025 | March 2026 | Allow | 9 | 1 | 0 | Yes | No |
| 19228827 | GAS TURBINE ENGINE AND METHOD THEREOF FOR REDUCING NONVOLATILE PARTICULATE MATTER EMISSIONS | June 2025 | October 2025 | Allow | 5 | 1 | 0 | Yes | No |
| 19230025 | TUNABLE MASS DAMPER ASSEMBLY FOR A ROTOR BLADE | June 2025 | January 2026 | Allow | 8 | 1 | 0 | No | No |
| 19136060 | HOT AIR ENGINE | June 2025 | February 2026 | Allow | 9 | 0 | 0 | No | No |
| 19228387 | GEARBOX ASSEMBLY WITH LUBRICANT EXTRACTION VOLUME RATIO | June 2025 | March 2026 | Allow | 9 | 1 | 0 | No | No |
| 19227642 | TURBINE ENGINE WITH COMPOSITE AIRFOILS | June 2025 | August 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19227649 | TURBINE ENGINE WITH COMPOSITE AIRFOILS | June 2025 | December 2025 | Allow | 7 | 1 | 0 | No | No |
| 19227873 | FIRST STAGE IMPULSE STEAM TURBINE NOZZLE AXIALLY TANGENTIAL HOLES MATRIX | June 2025 | January 2026 | Allow | 7 | 1 | 0 | No | No |
| 19226509 | Propeller | June 2025 | October 2025 | Allow | 5 | 1 | 0 | No | No |
| 19226295 | BLOWER | June 2025 | March 2026 | Allow | 9 | 1 | 1 | Yes | No |
| 19225279 | HEAT EXCHANGERS FOR GAS TURBINE ENGINES | June 2025 | October 2025 | Allow | 4 | 0 | 0 | No | No |
| 19223544 | GAS TURBINE ENGINE COMPRESSOR ARRANGEMENT | May 2025 | December 2025 | Allow | 7 | 0 | 0 | Yes | No |
| 19224336 | PITCH-CONTROLLED BLADE RETENTION COLLAR | May 2025 | July 2025 | Allow | 1 | 0 | 0 | No | No |
| 19221547 | WIND TURBINE FLUTTER SUPPRESSION METHOD AND DEVICE, CONTROL SYSTEM AND WIND TURBINE | May 2025 | December 2025 | Allow | 7 | 1 | 1 | Yes | No |
| 19222764 | TUNABLE BLADE ASSEMBLY, A BLADE ASSEMBLY, AND A METHOD OF CONTROLLING VIBRATION | May 2025 | January 2026 | Allow | 8 | 1 | 1 | Yes | No |
| 19222111 | SYSTEMS AND METHODS FOR SUPPLEMENTING RADIATOR COOLING WITH AN AMMONIA HEAT-EXCHANGE UNIT AND ADJUSTABLE AIR INTAKE LOUVERS | May 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19222161 | SYSTEMS AND METHODS FOR SUPPLEMENTING AN AMMONIA HEAT-EXCHANGE UNIT FOR ENGINE COOLING WITH A RADIATOR | May 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19219003 | TURBINE BLADE, IN PARTICULAR FOR A GAS TURBINE ENGINE | May 2025 | November 2025 | Allow | 5 | 1 | 0 | Yes | No |
| 19218231 | NOISE ELIMINATION AND VIBRATION DAMPING DEVICE FOR AIR COMPRESSOR AND AIR COMPRESSOR | May 2025 | February 2026 | Allow | 9 | 1 | 0 | No | No |
| 19215969 | MATRIX FOR CERAMIC-CONTAINING MATERIALS | May 2025 | November 2025 | Allow | 6 | 0 | 1 | No | No |
| 19214688 | COUPLING ASSEMBLY FOR A TURBINE ENGINE | May 2025 | February 2026 | Allow | 9 | 1 | 0 | Yes | No |
| 19215056 | INTERNALLY COOLED BRUSH SEAL BACKING PLATE AND METHOD | May 2025 | October 2025 | Allow | 5 | 0 | 1 | Yes | No |
| 19214414 | TURBINE ENGINE WITH COMPOSITE AIRFOILS | May 2025 | November 2025 | Allow | 6 | 1 | 0 | No | No |
| 19214354 | TURBINE ENGINE WITH COMPOSITE AIRFOILS | May 2025 | October 2025 | Allow | 5 | 1 | 0 | No | No |
| 19215171 | Mixing Utensil | May 2025 | December 2025 | Allow | 7 | 1 | 1 | Yes | No |
| 19213336 | FUELDRAULIC HEAT MANAGEMENT SYSTEM | May 2025 | January 2026 | Allow | 8 | 2 | 0 | No | No |
| 19213938 | AIRCRAFT ENGINE ENTRAINED PARTICLE REMOVAL SYSTEM AND METHOD | May 2025 | October 2025 | Allow | 5 | 0 | 0 | No | No |
| 19213132 | CASE FAN SYSTEM OF EASY ASSEMBLY AND DISASSEMBLY AND ELECTRONIC DEVICE INCLUDING THE SAME | May 2025 | July 2025 | Allow | 2 | 0 | 0 | No | No |
| 19213707 | SPLIT-TYPE PLUNGER PUMP AND SPLIT-TYPE PLUNGER PUMP COMPONENT | May 2025 | March 2026 | Allow | 9 | 1 | 1 | Yes | No |
| 19213760 | FLUID ROUTING PLUG | May 2025 | September 2025 | Allow | 4 | 0 | 0 | Yes | No |
| 19210808 | GAS TURBINE ENGINE | May 2025 | March 2026 | Allow | 10 | 1 | 0 | Yes | No |
| 19210629 | REVERSE FLOW GAS TURBINE ENGINE HAVING ELECTRIC MACHINE | May 2025 | October 2025 | Allow | 5 | 1 | 0 | No | No |
| 19209005 | DIFFUSERS, GAS TURBINE ENGINES COMPRISING THE SAME, AND METHODS FOR OPERATION THEREOF | May 2025 | August 2025 | Allow | 3 | 0 | 0 | No | No |
| 19208674 | SOLAR ENERGY SYSTEM WITH RANKINE CYCLE | May 2025 | July 2025 | Allow | 2 | 1 | 0 | No | No |
This analysis examines appeal outcomes and the strategic value of filing appeals for group 3740.
With a 35.0% 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, 33.8% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is above the USPTO average, suggesting that filing an appeal can be an effective strategy for prompting 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 is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.
Group 3740 is part of Technology Center 3700. This group has examined 125,329 patent applications in our dataset, with an overall allowance rate of 80.0%. Applications typically reach final disposition in approximately 29 months.
Applications in Group 3740 receive an average of 1.49 office actions before reaching final disposition. The median prosecution time is 29 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.