USPTO Art Unit 3762 Prosecution Statistics

Art Unit Information

Art Unit: 3762
Group: 3760
Tech Center: 3700
Total Cases: 24,244
Last Active: September 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19346315Circulating Heating Water HeaterSeptember 2025March 2026Allow610NoNo
19334968VENTILATION ROOFTOP AIR-CONDITIONING SYSTEMSeptember 2025November 2025Allow200NoNo
19320789RAPID DRYING AND DIFFERENTIAL PRESSURE MEASURING DEVICE FOR EXHAUST GAS REDUCERSeptember 2025October 2025Allow200YesNo
19305687WINDPROOF STRUCTURE FOR FLUE OUTLET AND GAS WATER HEATERAugust 2025February 2026Allow510NoNo
19285401AIR VENT DEFLECTORJuly 2025December 2025Allow521NoNo
19271818SURROUND HOT AIR SLOW DRYING DEVICE FOR PET FOOD PROCESSING AND THREE-STAGE BAKING METHODJuly 2025October 2025Allow210YesNo
19250749STEPWISE GAS DISTRIBUTION AND GRADED OXYGEN SUPPLEMENTATION DEVICE FOR DISTRIBUTION OF HIGH-RATIO CIRCULATING FLUE GASJune 2025September 2025Allow300NoNo
19243279PNEUMATIC CONVEYING SYSTEM AND CIRCULATING FLUIDIZED BED BOILERJune 2025November 2025Allow510NoNo
19223126MOLTEN SALT ENERGY STORAGE (MSES) ELECTRIC HEATING SYSTEMMay 2025October 2025Allow510NoNo
19218268ELECTRONIC COMBUSTION DEVICEMay 2025August 2025Allow300NoNo
19214170FIRE CONTAINMENT PLATE FOR BURNING TREE STUMPSMay 2025October 2025Allow511YesNo
19194275HANDHELD FANApril 2025January 2026Allow920NoNo
19187058HIGH PRESSURE PUMPApril 2025December 2025Allow720NoNo
19176559SYSTEM AND METHOD FOR MONITORING AND PURGING ATMOSPHERE IN A CONFINED SPACEApril 2025September 2025Allow610YesNo
19088554VACUUM OVENMarch 2025January 2026Allow920NoNo
19079201HEAT RECOVERY ARRANGEMENTMarch 2025June 2025Allow300YesNo
19110971METHOD AND DEVICE FOR ESTIMATING A COMBUSTION EFFICIENCY VALUE DURING FLARINGMarch 2025January 2026Abandon1010NoNo
19072242Solar Energy Directed to a Cylinder Containing a Propeller Used to Generate ElectricityMarch 2025July 2025Allow400NoNo
19060797AUTOMATIC WATER REPLENISHING CONTROL SYSTEM FOR SLAG REMOVALFebruary 2025September 2025Allow710NoNo
19055555BRAZIER LID AND BRAZIERFebruary 2025August 2025Allow610NoNo
19049903INTERRUPTION OF METHANE FLOW TO PROCESS HEATING SYSTEMS RESPONSIVE TO FLAME LOSSFebruary 2025April 2025Allow200YesNo
19028963High Efficiency Low NOx BurnerJanuary 2025July 2025Allow600NoNo
19019537BURNER ASSEMBLY FOR AIR PREHEATING COMBUSTIONJanuary 2025March 2026Allow1420NoNo
18999752Solar-powered Vehicle Interior Temperature Management SystemDecember 2024April 2025Allow310NoNo
18976672TEMPERATURE CONTROL SYSTEM FOR GRILL, MAIN UNIT, AND FANDecember 2024April 2025Allow410YesNo
18972681HYDROGEN-OXYGEN BUBBLE STEAM BOILERDecember 2024November 2025Allow1121YesNo
18969188SIMPLE STRUCTURE ELECTRIC OIL PUMP WITH ONE-WAY AIR VALVEDecember 2024July 2025Allow720NoNo
18967567BIOMASS SECONDARY COMBUSTION STOVE WITH EXHAUST MIXERDecember 2024September 2025Abandon910NoNo
18966170Tabletop Torch Made from a Log and Method of Use ThereofDecember 2024October 2025Allow1100YesNo
18964070HOB WITH CENTRAL DOWNWARD REMOVAL OF COOKING VAPORS THROUGH SUCTIONNovember 2024May 2025Allow510YesNo
18954876Systems and Methods for Joining Metal and Ceramic Components of a Kamado-Style GrillNovember 2024April 2025Allow500NoNo
18867174AIR INTAKE SYSTEM, AND HEATING AND VENTILATION AIR CONDITIONER AND VEHICLE COMPRISING SAMENovember 2024July 2025Allow810YesNo
18946801VARIABLE FUEL COOKERNovember 2024May 2025Allow611NoNo
18942947SYSTEM FOR BURNING COMBUSTIBLE FUEL ABOVE A PLACEMENT SURFACENovember 2024April 2025Allow510NoNo
18941911SUPERCRITICAL FLUID-DRYING APPARATUS AND METHOD FOR DRYING GELNovember 2024March 2025Allow501YesNo
18940770GABLE VENT ASSEMBLY WITH OFFSET LOCKNovember 2024May 2025Allow610NoNo
18939456HEAT SUPPLY-ENERGY-SAVING EQUIPMENT FOR PRINTING AND DYEING FACTORYNovember 2024March 2025Allow410YesNo
18935044HVAC DEVICES WITH IMPROVED UNIAX DESIGN AND FUNCTIONALITYNovember 2024April 2025Allow510YesNo
18861580CONTROL METHOD AND SYSTEM FOR SMALL PULVERIZED COAL SILO FEEDINGOctober 2024May 2025Allow710NoNo
18930503HVAC DEVICES WITH IMPROVED RADIAX DESIGN AND FUNCTIONALITYOctober 2024December 2024Allow200YesNo
18860834Refrigerated Merchandising CabinetOctober 2024February 2025Allow300NoNo
18926551COMPONENTS (AIR INLET LOUVER PANELS) FOR COOLING WATER MANAGEMENT SYSTEMSOctober 2024June 2025Allow810NoNo
18925684FIRE PIT SYSTEMOctober 2024August 2025Allow920NoNo
18926203PYROLYSIS AND COMBUSTION CONTROL IN PYROLYSIS REACTORS, AND ASSOCIATED SYSTEMS AND METHODSOctober 2024February 2026Allow1621NoNo
18924817COMBUSTIBLE FUEL BURNING FIRE PITOctober 2024June 2025Allow720YesNo
18912853VENTILATION SYSTEM FOR COOKING APPLIANCEOctober 2024October 2025Allow1200YesNo
18910788VENTILATION SYSTEM FOR PROVIDING FRESH AIR INTO BUILDINGSOctober 2024July 2025Allow911NoNo
18911172COOKING DEVICE WITH SAFETY ASSEMBLYOctober 2024October 2025Abandon1320YesNo
18909996GRILLING ASSEMBLY, STOVE AND COOKING DEVICEOctober 2024February 2025Allow510NoNo
18903079Ecological Slope Anti-corrosion Timber Pile, and Treatment Device and Treatment Method ThereforOctober 2024February 2025Allow510NoNo
18898676Grill Heat ExtractorSeptember 2024December 2025Abandon1410NoNo
18895930AIR FUNNEL FOR A HEAT PUMP SYSTEM OF A WATER HEATERSeptember 2024March 2025Allow610NoNo
18895295FIRE PIT WITH FIRE GRATESeptember 2024November 2024Allow200NoNo
18894098High-Efficiency Heating ApparatusSeptember 2024October 2025Allow1300YesNo
18893655SCREW COMPRESSOR AND REFRIGERATION APPARATUSSeptember 2024October 2024Allow110YesNo
18892129SCREW COMPRESSOR AND REFRIGERATION APPARATUSSeptember 2024August 2025Allow1130NoNo
18889857HEATING DEVICE AND METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUMSeptember 2024March 2026Allow1811NoNo
18888095HEAT DEFLECTORSeptember 2024May 2025Allow811YesNo
18847768VENTILATION OF AN OFFICE PODSeptember 2024January 2026Allow1620NoNo
18885086VENTILATION METHOD FOR HIGH GAS WORKING FACE BASED ON ALTERNATING INTAKE AND AIR RETURN IN MINE GALLERYSeptember 2024November 2024Allow200NoNo
18883189FLUID FILTER FOR A COMPRESSORSeptember 2024March 2025Allow610NoNo
18845968AIR-CONDITIONING DEVICE FOR USE IN A VEHICLE FOR PASSENGER TRANSPORTSeptember 2024June 2025Allow910NoNo
18845682COOLING DEVICE FOR CLOTHESSeptember 2024August 2025Abandon1110YesNo
18826754Quick Change Hot Water Heater ThermocoupleSeptember 2024March 2025Allow710NoNo
18824892Heat-collecting forage drying system with wind-solar complementary energy supplySeptember 2024November 2024Allow200NoNo
18823077DRYING APPARATUSSeptember 2024August 2025Allow1110YesNo
18821212SOLAR PANEL PILLARAugust 2024February 2025Allow610NoNo
18821706Exterior Wall Port for Portable Air Conditioning UnitsAugust 2024May 2025Allow800NoNo
18818766COLD AND HOT WATER SUPPLY AND POWER GENERATION SYSTEM INCLUDING GRAPHENE-COATED CERAMIC HEATING ELEMENTAugust 2024January 2025Allow410YesNo
18818719EFFICIENT AND ENERGY-SAVING SYSTEM AND PROCESS FOR RECYCLING WASTE HEAT OF PRODUCTION, AND METHOD FOR LARGE-SCALE PRODUCTION OF SILICA GELAugust 2024March 2025Allow620YesNo
18815643COLLAPSIBLE STAND FOR A FIREPITAugust 2024December 2024Allow310YesNo
18812722Integrated Anode For A Heat ExchangerAugust 2024October 2025Allow1430YesNo
18812132HYDROGEN GAS BURNERAugust 2024January 2026Allow1720NoNo
18811475ELECTRONIC DISPLAY ASSEMBLY WITH THERMAL MANAGEMENTAugust 2024November 2024Allow310NoNo
18808729THERMOFORMING OVEN WITH SEPARATING HEATING ELEMENTSAugust 2024February 2026Allow1710NoNo
18806237SCREW COMPRESSOR, AND REFRIGERATION APPARATUSAugust 2024November 2024Allow300NoNo
18802441MOTOR-DRIVEN COMPRESSORAugust 2024October 2025Abandon1410NoNo
18802975PORTABLE AND MANUAL CLOTHES WRINGING SYSTEMAugust 2024October 2024Allow200NoNo
18801900ELECTRIC OIL PUMPAugust 2024July 2025Allow1121NoNo
18800471UTILIZING HYDROSTATIC AND HYDRAULIC PRESSURE TO GENERATE ENERGY, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODSAugust 2024December 2024Allow400YesNo
18797536UNPOWERED COWL WITH ADJUSTABLE FAN BLADES AND WASTE HEAT RECOVERY SYSTEM FOR COOKING FUMESAugust 2024November 2024Allow300NoNo
18798615COMPOUND PARABOLIC CONCENTRATOR ARRANGEMENTAugust 2024January 2025Allow610NoNo
18795693SMART VENT/DUCT COVER FOR CONTROLLING AND COOLING TEMPERATURES INDIVIDUAL ROOMSAugust 2024March 2025Allow710NoNo
18792068Valve System and MethodsAugust 2024February 2025Allow710NoNo
18787114ROLL TO ROLL SINTERING SYSTEM FOR WIDE INORGANIC TAPE MATERIAL AND SINTERED ARTICLESJuly 2024June 2025Allow1011NoNo
18787295Support Plate for Localized Heating in Thermal Processing SystemsJuly 2024January 2026Allow1820YesNo
18787590Locker with Air Conditioning System in Hinge BarJuly 2024July 2025Allow1200NoNo
18783042Water Heater with Compact Heat ExchangerJuly 2024February 2025Allow710YesNo
18780527COMPRESSORJuly 2024April 2025Allow910YesNo
18781318HYBRID PHOTOVOLTAIC-THERMAL AND CO-GENERATION SYSTEMJuly 2024May 2025Abandon1010NoNo
18779454TUBE RETENTION DEVICE FOR A ROLLER PUMP HEADJuly 2024May 2025Allow1010NoNo
18776110RAFTER VENTJuly 2024May 2025Allow1021YesNo
18773016SPARK IGNITION MODULE AND METHODSJuly 2024March 2025Allow810YesNo
18767309ROOF PLUMBING VENTS AND METHODS INCLUDING FOR TANKLESS WATER HEATERS WITH CONCENTRIC VENTINGJuly 2024July 2025Abandon1220NoNo
18765965CABIN ISOLATION ASSEMBLIESJuly 2024June 2025Allow1210NoNo
18760071STOVE AND STOVE SYSTEM CAPABLE OF CONTROLLING FLAME SHAPEJuly 2024March 2025Allow811NoNo
18760162Apparatus And System For Regulating Cabin Pressure Of Flight Craft, And Flight Craft Equipped To Regulate Cabin PressureJuly 2024July 2025Allow1210NoNo
18759191FIRE PIT BARRIERJune 2024May 2025Allow1130YesNo
18757706MINE COOLING AND DEHUMIDIFYING SYSTEMJune 2024December 2024Allow510NoNo
18756672Workpiece Processing Apparatus with Thermal Processing SystemsJune 2024January 2025Allow700YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3762.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
633
Examiner Affirmed
359
(56.7%)
Examiner Reversed
274
(43.3%)
Reversal Percentile
87.5%
Higher than average

What This Means

With a 43.3% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is in the top 25% across the USPTO, indicating that appeals are more successful here than in most other areas.

Strategic Value of Filing an Appeal

Total Appeal Filings
1773
Allowed After Appeal Filing
619
(34.9%)
Not Allowed After Appeal Filing
1154
(65.1%)
Filing Benefit Percentile
64.3%
Higher 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, 34.9% 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.

Strategic Recommendations

✓ 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.

Art Unit 3762 - Prosecution Statistics Summary

Executive Summary

Art Unit 3762 is part of Group 3760 in Technology Center 3700. This art unit has examined 24,244 patent applications in our dataset, with an overall allowance rate of 75.1%. Applications typically reach final disposition in approximately 32 months.

Comparative Analysis

Art Unit 3762's allowance rate of 75.1% places it in the 44% 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 3762 receive an average of 1.96 office actions before reaching final disposition (in the 55% percentile). The median prosecution time is 32 months (in the 46% 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 more 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.