USPTO Art Unit 3745 Prosecution Statistics

Art Unit Information

Art Unit: 3745
Group: 3740
Tech Center: 3700
Total Cases: 42,042
Last Active: January 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19100122ELECTRO-HYDRAULIC ACTUATOR AND BRAKE DEVICEJanuary 2025June 2025Allow400NoNo
19034691CENTRIFUGAL FAN, NECK FAN, AND VORTEX SHELL ASSEMBLYJanuary 2025June 2025Allow510NoNo
19026359Air Pump Device with Bluetooth FunctionJanuary 2025June 2025Allow510NoNo
19006355NECK HANGING FANDecember 2024March 2025Allow301YesNo
18878025FAN BOX FAN PARTITION PLATE, FAN BOX MODULE AND SERVERDecember 2024March 2025Allow300NoNo
18976343Backpack blower, backpack assembly and backpack power assemblyDecember 2024April 2025Allow400NoNo
18975501MEASUREMENT ARRANGEMENT FOR HYDRO TURBINEDecember 2024June 2025Allow2210NoNo
18969860WIND TURBINE BLADE MADE WITH DATE PALM TREE MATERIALDecember 2024May 2025Allow510YesNo
18952013IMPELLER FOR A RESPIRATORY DEVICENovember 2024May 2025Allow600NoNo
18950652Support Frame for Positive Pressure BlowerNovember 2024April 2025Allow500YesNo
18950763GAS BEARING MANAGEMENT FOR A COMPRESSORNovember 2024April 2025Allow500YesNo
18951129PROPULSOR BLADE IMAGING ASSEMBLY METHOD FOR AN AIRCRAFT PROPULSION SYSTEMNovember 2024May 2025Allow600YesNo
18947746COUPLING AND ASSOCIATED METHOD OF TRANSFERRING TORQUENovember 2024March 2025Allow400NoNo
18947001COMBINED FANNovember 2024May 2025Allow611NoNo
18947197HYDRAULIC CIRCUIT OF A CONSTRUCTION MACHINERYNovember 2024June 2025Allow700NoNo
18865354SLIDABLY PLUGGABLE MULTI-FAN MODULE AND SERVER COMPRISING SAMENovember 2024July 2025Allow810NoNo
18946827RECIRCULATING INERTIAL HYDRODYNAMIC PUMP AND WAVE ENGINENovember 2024March 2025Allow410NoNo
18945404RECIRCULATING INERTIAL HYDRODYNAMIC PUMP AND WAVE ENGINENovember 2024June 2025Allow710NoNo
18942128NOISE-REDUCING AND NONUNIFORM TIP CLEARANCE STRUCTURE OF CENTRIFUGAL COMPRESSORNovember 2024March 2025Allow400YesNo
18933729IMPELLER BLADESOctober 2024June 2025Allow800YesNo
18931509AIRCRAFT POWER PLANTOctober 2024March 2025Allow400YesNo
18860295PROPELLER BLADE OR AIRFOIL WITH WOUND COMPOSITE ROOTOctober 2024June 2025Allow710NoNo
18925935REVERSE FLOW GAS TURBINE ENGINE HAVING ELECTRIC MACHINEOctober 2024May 2025Allow701YesNo
18921045MULTIFUNCTIONAL HANDHELD FANOctober 2024January 2025Allow300YesNo
18921190BLOWEROctober 2024March 2025Allow500YesNo
18684718HYDRAULIC SYSTEM, EXCAVATOR, AND CONTROL METHOD OF EXCAVATOROctober 2024July 2025Allow1600NoNo
18856838MODULE FOR AN AIRCRAFT TURBINE ENGINEOctober 2024June 2025Allow800NoNo
18913330MOUNTING ASSEMBLY FOR A GEARBOX ASSEMBLYOctober 2024April 2025Allow600YesNo
18912008SYSTEMS AND METHODS FOR IMPROVED GEARBOXES FOR EVTOL AIRCRAFTOctober 2024April 2025Allow610YesNo
18910919MOUNTING ASSEMBLY FOR A GEARBOX ASSEMBLYOctober 2024June 2025Allow900YesNo
18910905MOUNTING ASSEMBLY FOR A GEARBOX ASSEMBLYOctober 2024December 2024Allow200YesNo
18910266IMPELLEROctober 2024December 2024Allow200NoNo
18911024METHOD AND DEVICE FOR STORING ENERGYOctober 2024February 2025Allow510NoNo
18905702CONVERSION OF SUPERCRITICAL WATER ENERGY INTO ELECTRICAL POWEROctober 2024March 2025Allow600YesNo
18902338LOCK OUT TAG OUT DEVICE AND METHOD OF USESeptember 2024November 2024Allow200NoNo
18901794INERTIAL LOAD DAMPENING HYDRAULIC SYSTEM WITH PERSISTENT OIL CONDITIONINGSeptember 2024May 2025Allow700NoNo
18850738WORK MACHINESeptember 2024May 2025Allow700NoNo
18851051Piston Unit, Top Land Member, and Combination of Piston Unit PartsSeptember 2024June 2025Allow910YesNo
18892901Fan Casing with Defined Belt PocketSeptember 2024April 2025Allow710YesNo
18893349Boomerang Hydro MultiplierSeptember 2024June 2025Allow920YesNo
18849681Wheeled Construction MachineSeptember 2024April 2025Allow700NoNo
18848781Blower and Air ConditionerSeptember 2024May 2025Allow800YesNo
18848235BLOWER AND AIR FILTER ASSEMBLYSeptember 2024May 2025Allow800NoNo
18848485COMPRESSORSeptember 2024June 2025Allow900YesNo
18887888CEILING FAN MOUNTING ASSEMBLYSeptember 2024April 2025Allow700YesNo
18887003CONNECTOR ASSEMBLY FOR A ROTORSeptember 2024February 2025Allow500NoNo
18885089CONVEYING BLADES FOR A COMPRESSIBLE ROTORSeptember 2024January 2025Allow400NoNo
18884955Fan Mounting SystemSeptember 2024February 2025Allow500NoNo
18885351METHOD FOR REDUCING GEAR INDUCED NOISE FROM A WIND TURBINESeptember 2024April 2025Allow710YesNo
18846938POWER TRANSMISSION DEVICESeptember 2024June 2025Allow900NoNo
18884118WORK VEHICLE, METHOD FOR CONTROLLING WORK VEHICLE, AND CONTROLLER FOR WORK VEHICLESeptember 2024June 2025Allow900NoNo
18846406TRANSMISSION ASSEMBLY FOR AN AIRCRAFT CAPABLE OF HOVERINGSeptember 2024June 2025Allow900NoNo
18830598AXIAL-FLOW HEAT-DISSIPATION FANSeptember 2024June 2025Allow911YesNo
18829971HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOFSeptember 2024March 2025Allow600YesNo
18828175APPARATUS USING ROOT CAUSE ANALYSIS FOR PREDICTING BLADE DAMAGE AND METHOD THEREFORSeptember 2024June 2025Allow900NoNo
18827683SEGMENTED BLADE MODULE STRUCTURE AND MOLDING METHOD THEREOFSeptember 2024June 2025Allow1001YesNo
18827636MODULAR WIND TURBINE BLADE STRUCTURE AND MANUFACTURING METHOD THEREOFSeptember 2024June 2025Allow1000NoNo
18699148A WAVE POWER SYSTEMSeptember 2024February 2025Allow1100YesNo
18844533Hydraulic SystemSeptember 2024May 2025Allow800NoNo
18826854COMPLIANT DAMPENING WEDGE MOUNTSeptember 2024March 2025Allow600YesNo
18825241SUPER-COOLED ICE IMPACT PROTECTION FOR A GAS TURBINE ENGINESeptember 2024January 2025Allow400YesNo
18825068SUBAQUATIC POWER GENERATION SYSTEMSSeptember 2024March 2025Allow631NoNo
18824259TRIPLE-FLOW AXIAL TURBOMACHINE COMPRISING A DIVERGING HEAT EXCHANGER IN THE THIRD FLOWSeptember 2024June 2025Allow910NoNo
18823380CENTRIFUGAL COMPRESSORSeptember 2024April 2025Allow710YesNo
18823589ROTARY FLUID MACHINESeptember 2024March 2025Allow710NoNo
18842862METHOD FOR MAINTAINING A BLADED WHEEL OF A HIGH-PRESSURE TURBINE OF A TURBOMACHINEAugust 2024May 2025Allow800YesNo
18842704ADJUSTABLE BEARING ASSEMBLY, IN PARTICULAR FOR WIND TURBINESAugust 2024March 2025Allow700YesNo
18819208FAN DEVICEAugust 2024June 2025Allow1000NoNo
18819249GAS SEAL COLUMN APPARATUS WITH SENSOR COLUMNAugust 2024November 2024Allow200NoNo
18818429AIR CIRCULATORAugust 2024February 2025Allow500YesNo
18815212THERMOCHEMICAL ENGINEAugust 2024January 2025Allow510NoNo
18813150KNOB FOR AUTOMATIC EXHAUST MECHANISMAugust 2024May 2025Allow910YesNo
18841073STEAM TURBINE PLANT AND METHOD FOR IMPROVING SAMEAugust 2024April 2025Allow700YesNo
18812183IMPELLER AND FAN ASSEMBLYAugust 2024April 2025Allow710NoNo
18840782ELECTRIC PUMPAugust 2024June 2025Allow1010YesNo
18812922Centrifugal FanAugust 2024June 2025Abandon1010NoNo
18812274HYDRAULIC ARRANGEMENT AND UTILITY VEHICLEAugust 2024May 2025Allow810NoNo
18808243GAS TURBINE ENGINE COMPRESSOR ARRANGEMENTAugust 2024February 2025Allow600YesNo
18808157CENTRIFUGAL COMPRESSORAugust 2024March 2025Allow710NoNo
18809096VARIABLE GEOMETRY SUPERSONIC COMPRESSORAugust 2024February 2025Allow600YesNo
18839616A WIND TURBINE COMPRISING A LIQUID COOLER AND A METHOD FOR COOLING A LIQUIDAugust 2024July 2025Allow1010YesNo
18807374TURBINE ENGINE WITH COMPSITE AIRFOILSAugust 2024February 2025Allow610YesNo
18806835TURBINE ENGINE WITH COMPOSITE AIRFOILSAugust 2024January 2025Allow510NoNo
18806969TURBINE ENGINE WITH COMPOSITE AIRFOILSAugust 2024February 2025Allow610NoNo
18807233TURBINE ENGINE WITH COMPOSITE AIRFOILSAugust 2024January 2025Allow510NoNo
18839103CONTROL DEVICE FOR CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE EQUIPPED WITH SAMEAugust 2024April 2025Allow800NoNo
18806303VARIABLE INLET GUIDE VANE APPARATUS AND COMPRESSOR INCLUDING SAMEAugust 2024May 2025Allow900NoNo
18806058SILENT HIGH-SPEED FANAugust 2024February 2025Allow600YesNo
18838523A WINDMILL CONSTRUCTION AND A METHOD FOR ASSEMBLY OF A WINDMILL CONSTRUCTIONAugust 2024June 2025Allow1010YesNo
18802158AUTOMATIC EXHAUST MECHANISMAugust 2024June 2025Allow1111YesNo
18797889CEILING FAN WITH QUICK-CONNECT BLADE CONNECTORAugust 2024January 2025Allow610NoNo
18798629MUSCLE ACTUATOR SYSTEMAugust 2024May 2025Allow900NoNo
18796150FAN SHROUD, MOUNTING BRACKET, AND PIN MOUNTAugust 2024December 2024Allow500NoNo
18794599GAS TURBINE ENGINE SUPPORT STRUCTURE WITH INTERNAL LATTICEAugust 2024April 2025Allow910NoNo
18792941TURBINE ENGINE WITH COMPOSITE AIRFOILSAugust 2024January 2025Allow610NoNo
18792952TURBINE ENGINE WITH COMPOSITE AIRFOILSAugust 2024February 2025Allow710NoNo
18792695TURBINE ENGINE WITH COMPOSITE AIRFOILSAugust 2024January 2025Allow610NoNo
18792961TURBINE ENGINE WITH COMPOSITE AIRFOILSAugust 2024February 2025Allow610NoNo
18792111WINDAGE COVER THAT COVERS FASTENERS COUPLING A RING GEAR ASSEMBLY TO AN OUTPUT SHAFTAugust 2024April 2025Allow810NoNo
18792238CEILING FAN BLADE INSTALLATION STRUCTUREAugust 2024December 2024Allow400NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3745.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
728
Examiner Affirmed
504
(69.2%)
Examiner Reversed
224
(30.8%)
Reversal Percentile
43.1%
Lower than average

What This Means

With a 30.8% 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
1438
Allowed After Appeal Filing
487
(33.9%)
Not Allowed After Appeal Filing
951
(66.1%)
Filing Benefit Percentile
54.7%
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, 33.9% 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 face challenges. Ensure your case has strong merit before committing to full Board review.

✓ Filing a Notice of Appeal is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

Art Unit 3745 - Prosecution Statistics Summary

Executive Summary

Art Unit 3745 is part of Group 3740 in Technology Center 3700. This art unit has examined 42,042 patent applications in our dataset, with an overall allowance rate of 80.7%. Applications typically reach final disposition in approximately 31 months.

Comparative Analysis

Art Unit 3745's allowance rate of 80.7% places it in the 61% percentile among all USPTO art units. This art unit has an above-average allowance rate compared to other art units.

Prosecution Patterns

Applications in Art Unit 3745 receive an average of 1.46 office actions before reaching final disposition (in the 22% percentile). The median prosecution time is 31 months (in the 39% percentile).

Strategic Considerations

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

  • The art unit's allowance rate suggests a more favorable 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.