USPTO Art Unit 1774 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19069597DEVICE FOR AUTOCLAVING AND CENTRIFUGING A SAMPLEMarch 2025May 2025Allow200NoNo
19023785LIQUID DELIVERING SYSTEM FOR WAFER CLEANING EQUIPMENTJanuary 2025April 2025Allow300YesNo
19023706INGREDIENT BLENDING SYSTEM AND METHODJanuary 2025April 2025Allow201NoNo
19007769CARBON-BASED MICROREACTOR, AND PREPARATION METHOD AND APPLICATION THEREOFJanuary 2025April 2025Allow410NoNo
19004751DILUTION NOZZLE ASSEMBLY FOR HAZARDOUS GASESDecember 2024June 2025Allow640NoNo
18870454LIMESTONE SLURRY AND LIME MILK PREPARING DEVICE FOR HYDROMETALLURGY OF LATERITE NICKEL ORENovember 2024March 2025Allow400NoNo
18870456HIGH-PRESSURE REACTOR ACID ADDING SYSTEM FOR LATERITE NICKEL ORE HYDROMETALLURGYNovember 2024May 2025Allow500NoNo
18951841ADAPTER FOR USE IN A PLANETARY MIXERNovember 2024April 2025Allow501NoNo
18937576High Speed Blending Method with Liquefaction FunctionNovember 2024December 2024Allow100NoNo
18936375EFFICIENT AND ENERGY-SAVING BUILDING SLURRY STIRRING DEVICENovember 2024January 2025Allow200NoNo
18933918Chemical Mixing Spool and MethodOctober 2024January 2025Allow210NoNo
18906498DILUTION NOZZLE ASSEMBLY FOR HAZARDOUS GASESOctober 2024January 2025Allow430NoNo
18897048Thickening device and method for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materialsSeptember 2024December 2024Allow300NoNo
18850232FLUIDIZED BED GRANULATIONSeptember 2024February 2025Allow400NoNo
18848982LED LAMP MODULE AND DEVICE FOR CARRYING OUT A PHOTOCHEMICAL REACTIONSeptember 2024March 2025Allow600NoNo
18889467NANOPARTICLE ULTRASONIC DISPERSION DEVICE AND NANOPARTICLE ULTRASONIC DISPERSION METHOD THEREOFSeptember 2024November 2024Allow200NoNo
18827839CONTINUOUS PRODUCTION DEVICE FOR ORGANOPHOSPHORUS NITRILE-CATALYZED HIGH-MOLECULAR-WEIGHT POLYSILOXANESeptember 2024February 2025Allow600NoNo
18844399SYSTEM FOR CO2 STORAGE AND UTILIZATION OF CONCRETE MIXING PLANT AND METHOD THEREOFSeptember 2024March 2025Allow700NoNo
18827074SYSTEM AND METHOD FOR A THREE-DIMENSIONALLY PRINTED LATTICE STRUCTURE FOR HEATING GAS IN A NON-LINEAR PATHSeptember 2024June 2025Allow920NoNo
18820231DEVICES AND METHODS FOR CONTROLLING PRESSURE OF HIGH-TEMPERATURE AND HIGH-PRESSURE REACTORSAugust 2024April 2025Allow710NoNo
18816956High-Efficiency System for Converting Limestone to Slaked LimeAugust 2024May 2025Abandon910YesNo
18841201PUMP DEVICE WITH A CENTRIFUGAL PUMP AND A MIXING UNITAugust 2024February 2025Allow600NoNo
18773293Blending System And Blending Method With Safely And Fast StirJuly 2024October 2024Allow301NoNo
18771708Food Processor With Cleaning Accessory amd Methods of Using SameJuly 2024May 2025Allow1010NoNo
18763962Gas Irradiation ApparatusJuly 2024October 2024Allow410NoNo
18762336SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND CARBON DIOXIDEJuly 2024November 2024Allow501NoNo
18758642ELECTRICAL COUPLER FOR RESISTIVELY HEATED REACTOR SYSTEMSJune 2024February 2025Allow810YesNo
18755680CHEMICAL LIQUID PREPARATION DEVICE, AND SUBSTRATE PROCESSING DEVICEJune 2024May 2025Allow1000NoNo
18757361Ceramic-based composite material used for low-concentration formaldehyde degradation and preparation method thereforJune 2024January 2025Allow710NoNo
18749322METHOD AND DEVICE FOR TREATMENT OF LIQUID HYDROCARBONSJune 2024January 2025Allow710NoNo
18720840METHOD FOR THE PREPARATION OF POLYMER POLYOLSJune 2024January 2025Allow701NoNo
18738406WEAR-INDICATING MIXING AND DISPERSION BLADEJune 2024December 2024Allow3110YesNo
18717873REACTION SYSTEM FOR PREPARING SODA ASHJune 2024March 2025Allow900NoNo
18674300Process And System For Recovering Lithium From Lithium-Ion BatteriesMay 2024June 2025Allow1310NoNo
18712669KITCHEN APPLIANCEMay 2024July 2024Allow200NoNo
18671839MICRO PUREE MACHINEMay 2024February 2025Allow900NoNo
18712643VENTURI DEVICE WITH FORCED INDUCTION SYSTEMS AND METHODSMay 2024February 2025Allow910YesNo
18671623DISCHARGING MECHANISM OF A MEDICAL WASTE STERILIZATION PROCESSING APPARATUSMay 2024September 2024Allow400NoNo
18660553CYCLONIC FLOW-INDUCING PUMPMay 2024May 2025Allow1210NoNo
18656961ELECTRIC-POWERED, CLOSED-LOOP, CONTINUOUS-FEED, ENDOTHERMIC ENERGY-CONVERSION SYSTEMS AND METHODSMay 2024May 2025Allow1200NoNo
18653694METHOD FOR DETERMINING PHYSICAL STABILITY OF SUSPENSIONSMay 2024November 2024Allow601NoNo
18651991SUBMERSIBLE MIXING SYSTEMS FOR WASTEWATER TREATMENTMay 2024July 2024Allow300NoNo
18645730Method, Facility And Tank For The Manufacture Of A Liquid Acid Concentrate Used For Hemodialysis MachinesApril 2024December 2024Allow800NoNo
18643247APPARATUS AND METHODS FOR SOLID PHASE PEPTIDE SYNTHESIS TO MINIMIZE SOLVENT UTILIZATIONApril 2024January 2025Allow921YesNo
18636578DOUBLE ARM MIXER-EXTRUDERApril 2024December 2024Allow810NoNo
18634727SCENT DISPENSERS/ABSORBERS AND SCENT CARTRIDGES THEREFORApril 2024January 2025Allow911YesNo
18628020REMOVAL OF FLUOROALKYL COMPOUNDS FROM WATER USING GALVANIC CELLApril 2024June 2024Allow200NoNo
18625185SYSTEMS AND METHODS FOR ACID MIXINGApril 2024August 2024Allow500NoNo
18624280Centrifuge System for Separating Cells in SuspensionApril 2024February 2025Allow1010NoNo
18621598Apparatus and Method for Generating Nitric Oxide in Controlled and Accurate AmountsMarch 2024July 2024Allow410NoNo
18621755FERRITIC STEEL PARTS IN UREA PLANTSMarch 2024February 2025Allow1000NoNo
18621121PRODUCTION APPARATUS FOR HYDROTHERMAL SYNTHESIS OF LITHIUM IRON PHOSPHATEMarch 2024August 2024Allow510NoNo
18619972Portable Centrifuge Device and Method of UseMarch 2024February 2025Allow1110NoNo
18615758INDIRECT DIAGNOSIS OF MULTIPLE FLUID MIXER UNIT PERFORMANCEMarch 2024November 2024Allow801YesNo
18615012SYSTEM AND METHOD FOR HEATING GAS IN A CONTINUOUS FOCUSED PATH WITHIN AN ELECTRIC HEATING UNITMarch 2024August 2024Allow520NoNo
18610711CHEMICAL INJECTION SYSTEM FOR CONNECTION TO A CHEMICAL TANK AND A PROCESS LINEMarch 2024December 2024Allow900YesNo
18608339NOZZLE CONTROL ASSEMBLIES FOR A MICRO-PUREE MACHINEMarch 2024September 2024Allow610NoNo
18607293MODULAR SYSTEM FOR RENEWABLE FUEL GENERATIONMarch 2024April 2025Allow1321YesNo
18604984LOW VOLUME MAGNETIC MIXING SYSTEMMarch 2024July 2025Allow1600YesNo
18603768MIXING APPARATUS, MIXING SYSTEM AND METHOD FOR MIXING SUBSTANCES IN CLOSED CONTAINERSMarch 2024June 2025Allow1510NoNo
18604015Ammonia Mediated Carbon Dioxide (CO2) Sequestration Methods and SystemsMarch 2024May 2025Allow1410YesNo
18595126Chemical Mixing Spool and MethodMarch 2024April 2025Abandon1431YesNo
18589713WICKING PAD FOR EVAPORATING FLUIDS IN A STERILIZERFebruary 2024May 2025Abandon1410NoNo
18585585EXPANDED BED DIRECT-CONTACT SYSTEM AND HEAT EXCHANGER AND CHEMICAL REACTOR USING THE SAMEFebruary 2024July 2024Allow510NoNo
18584439THERMOCHEMICAL REACTIONS USING GEOTHERMAL ENERGYFebruary 2024February 2025Allow1210NoNo
18581854ROTATING VACUUM TANK AND METHODFebruary 2024September 2024Allow711NoNo
18439229FLUID REMANUFACTURINGFebruary 2024September 2024Allow710NoNo
18439179MANUAL MIXERFebruary 2024June 2025Allow1610NoNo
18682608VESSEL FOR HYDROGEN FLUORIDE GAS GENERATIONFebruary 2024September 2024Allow701NoNo
18438196AUTOMATED METHOD AND APPARATUS FOR PREPARING BIOPROCESS SOLUTIONSFebruary 2024April 2025Allow1420NoNo
18434897Design Method of Bottom-Entry Magnetic Stirring DeviceFebruary 2024July 2024Allow510NoNo
18435350PORTABLE BEVERAGE CONTAINER SYSTEMS AND METHODS FOR ADJUSTING THE COMPOSITION OF A BEVERAGEFebruary 2024March 2025Allow1310NoNo
18427742METHOD FOR TREATING SULFUR-CONTAINING ORGANIC WASTEWATERJanuary 2024May 2024Allow410NoNo
18424562ELECTRIC MOTOR DRIVEN TRANSPORTATION MECHANISMS FOR FRACTURING BLENDERSJanuary 2024March 2025Allow1410NoNo
18422124DEVICE FOR DESULFURIZING AND PLASTICIZING WASTE RUBBERJanuary 2024May 2024Allow400NoNo
18420092MULTI-PURPOSE HANDHELD KITCHEN APPLIANCEJanuary 2024October 2024Allow900NoNo
18419661REACTION INTENSIFICATION STRUCTUREJanuary 2024March 2024Allow200NoNo
18417404ADAPTER FOR USE IN A PLANETARY MIXERJanuary 2024October 2024Allow911YesNo
18417559High Throughput Moving Panel Direct Air Capture SystemJanuary 2024December 2024Allow1111YesNo
18578984Plate Type Rotational SeparatorJanuary 2024January 2025Abandon1210NoNo
18578192HIGH PRESSURE CARBAMATE CONDENSATION APPARATUSJanuary 2024September 2024Allow810NoNo
18404048PORTABLE BLENDERJanuary 2024March 2025Abandon1410NoNo
18404487INTELLIGENT BLENDERJanuary 2024April 2025Allow1510NoNo
18576732ULTRASONIC GENERATION DEVICE AND CONCRETE FORMING SYSTEMJanuary 2024October 2024Allow910NoNo
18575304A MICRO-INTERFACE ENHANCED OXIDATION SYSTEM AND OXIDATION METHOD FOR PREPARING HYDROGEN PEROXIDEDecember 2023August 2024Allow710NoNo
18398710IMPLEMENT ATTACHMENT HOLDER FOR A HAND MIXERDecember 2023February 2025Allow1420NoNo
18396478DEVICE AND METHOD FOR NUCLEATION OF A SUPERCOOLED BEVERAGE USING AN ULTRASONIC TRANSDUCERDecember 2023October 2024Allow1010NoNo
18396084CENTRIFUGE SYSTEM FOR SEPARATING CELLS IN SUSPENSIONDecember 2023April 2025Allow1510NoNo
18544739CENTRIFUGEDecember 2023March 2025Allow1410NoNo
18545608MIXING SYSTEMS AND METHODS INCLUDING DISK ASSEMBLIESDecember 2023October 2024Allow1010NoNo
18545409METHOD OF MANUFACTURING BIO-DIESEL AND REACTORDecember 2023June 2025Allow1810NoNo
18544146SYSTEMS AND METHOD FOR AUTOMATED OLIGONUCLEOTIDE SYNTHESISDecember 2023March 2025Allow1521YesNo
18540861SYSTEM AND METHOD FOR HEATING GAS IN A CONTINUOUS FOCUSED PATH WITHIN AN ELECTRIC CATALYST UNITDecember 2023March 2024Allow310NoNo
18538702METHOD AND SYSTEM FOR PROVIDING BUFFER SOLUTIONSDecember 2023March 2025Allow1511YesNo
18538049AMMONIA DECOMPOSITION CATALYST SYSTEMSDecember 2023January 2025Allow1310NoNo
18529019BLENDING APPARATUS FOR MANUFACTURED WOOD PROCESSINGDecember 2023February 2025Allow1410NoNo
18526464HYDROLYSIS REACTION DEVICE FOR DECHLORINATION AND DECYANATION OF BLAST FURNACE GASDecember 2023January 2025Allow1400YesNo
18522784APPARATUS FOR DISPENSING A MIXTURE OF A DILUENT AND AN ADDITIVE FOR SANITATION, COSMETIC OR CLEANING APPLICATIONSNovember 2023November 2024Allow1110NoNo
18523577FOOD PREPARATION APPLIANCE FOR USE WITH A REMOTE COMMUNICATION DEVICENovember 2023February 2025Allow1510NoNo
18565010SYSTEM AND METHOD FOR PRODUCING ULTRA-HIGH MOLECULAR WEIGHT POLYALPHAOLEFINS FOR USE AS PIPELINE DRAG REDUCING AGENTSNovember 2023May 2024Allow600NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1774.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
196
Examiner Affirmed
135
(68.9%)
Examiner Reversed
61
(31.1%)
Reversal Percentile
44.6%
Lower than average

What This Means

With a 31.1% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is below the USPTO average, indicating that appeals face more challenges here than typical.

Strategic Value of Filing an Appeal

Total Appeal Filings
758
Allowed After Appeal Filing
242
(31.9%)
Not Allowed After Appeal Filing
516
(68.1%)
Filing Benefit Percentile
45.3%
Lower than average

Understanding Appeal Filing Strategy

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, 31.9% 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.

Strategic Recommendations

Appeals to PTAB face challenges. Ensure your case has strong merit before committing to full Board review.

Filing a Notice of Appeal shows limited benefit. Consider other strategies like interviews or amendments before appealing.

Art Unit 1774 - Prosecution Statistics Summary

Executive Summary

Art Unit 1774 is part of Group 1770 in Technology Center 1700. This art unit has examined 17,955 patent applications in our dataset, with an overall allowance rate of 75.2%. Applications typically reach final disposition in approximately 30 months.

Comparative Analysis

Art Unit 1774's allowance rate of 75.2% places it in the 41% percentile among all USPTO art units. This art unit has a below-average allowance rate compared to other art units.

Prosecution Patterns

Applications in Art Unit 1774 receive an average of 1.61 office actions before reaching final disposition (in the 32% percentile). The median prosecution time is 30 months (in the 42% percentile).

Strategic Considerations

When prosecuting applications in this art unit, consider the following:

  • The art unit's allowance rate suggests a more challenging examination environment compared to the USPTO average.
  • With fewer office actions than average, plan for relatively streamlined prosecution.
  • The median prosecution time is longer than average and should be factored into your continuation and client communication strategies.
  • Review individual examiner statistics within this art unit to identify examiners with particularly favorable or challenging prosecution patterns.

Important Disclaimer

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.