USPTO Art Unit 3745 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19166738METHOD FOR INSTALLING A WIND TURBINE TOWERSeptember 2025March 2026Allow600NoNo
19328754TURBINE ENGINE WITH A PRIMARY STAGE OF AIRFOILS AND A SUBSIDIARY STAGE OF AIRFOILSSeptember 2025December 2025Allow300YesNo
19323975RECIRCULATING INERTIAL HYDRODYNAMIC PUMP AND WAVE ENGINESeptember 2025February 2026Allow500NoNo
19321623TURBINE ROTOR BLADE TIP SHROUD SURFACE AND EDGE PROFILESSeptember 2025October 2025Allow100NoNo
19312514OCEAN WAVE AND TIDAL CURRENT ENERGY CONVERSION SYSTEMAugust 2025February 2026Allow621NoNo
19311469TURBINE SHAFT SEALING DEVICEAugust 2025November 2025Allow300NoNo
19311886GEARED GAS TURBINE ENGINEAugust 2025October 2025Allow200YesNo
19308538SEAL ASSEMBLY FOR GAS TURBINE ENGINESAugust 2025February 2026Allow600NoNo
19301499Spring Push Blade Iron LockAugust 2025March 2026Allow711YesNo
19298024Luminous Computer Monitor Cooling FanAugust 2025November 2025Allow410NoNo
19294281TURBOCHARGER WITH NOZZLE RING POSITIONING ASSEMBLYAugust 2025March 2026Allow710NoNo
19293888HYDROELECTRIC POWER GENERATION UTILIZING TIDAL FLOWS AND CORIOLIS FORCEAugust 2025January 2026Allow600YesNo
19293033DUAL-DUCT AIR PUMPAugust 2025December 2025Allow410NoNo
19289092HOLLOW-STRUCTURED COOLING FANAugust 2025September 2025Allow100YesNo
19285677GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESJuly 2025January 2026Allow600NoNo
19284076TURBINE EXHAUST DUCT WITH STIFFENERS FOR AIRCRAFT ENGINESJuly 2025September 2025Allow200NoNo
19275204TURBINE MODULE FOR A TURBOMACHINEJuly 2025February 2026Allow610NoNo
19148982TREATMENT OF A NON-AXISYMMETRIC CASING COMPRISING A PLENUM, WITH CONTROLLED OPENINGJuly 2025March 2026Allow800YesNo
19269161Backpack Blower, Backpack Assembly and Backpack Power AssemblyJuly 2025February 2026Allow710NoNo
19256628COMPOSITE TIP AND TRAILING EDGE REINFORCEMENT FOR COMPOSITE FAN BLADEJuly 2025February 2026Allow710NoNo
19256300GAS TURBINE ENGINES INCLUDING SPLITTERED AIRFOILSJuly 2025September 2025Allow300YesNo
19255078AIRFOIL-MOUNTED ACOUSTIC RESONATOR ARRAY FOR GAS TURBINE ENGINE COMPONENTJune 2025March 2026Allow811YesNo
19253607RECIRCULATING INERTIAL HYDRODYNAMIC PUMP AND WAVE ENGINEJune 2025August 2025Allow200NoNo
19252967METHOD TO TIE COMPOSITE VANE PLATFORM AND AIRFOIL DESIGN DETAILSJune 2025January 2026Allow710NoNo
19246282GUIDE VANE ARRANGEMENT FOR USE IN A TURBINEJune 2025February 2026Allow710YesNo
19244283FAN COVERJune 2025February 2026Allow810NoNo
19242046TURBINE ENGINE WITH COMPOSITE AIRFOILSJune 2025December 2025Allow610NoNo
19239893CONTROL METHOD FOR DE-ICING BLADES OF A WIND POWER GENERATORJune 2025October 2025Allow410NoNo
19239186TEST BLADE FOR GAS TURBINE ENGINE AND METHOD OF MAKINGJune 2025February 2026Allow810NoNo
19235686METHOD FOR SELECTING BOOSTER PUMP FOR CIRCUITING COOLING WATER OF BYPASS PIPING SYSTEMJune 2025December 2025Allow610YesNo
19235612FAN BLADE INSTALLATION STRUCTURE WITH MULTIPLE SAFETY MECHANISMSJune 2025October 2025Allow400NoNo
19235832OUTPUT ENERGY ADJUSTABLE GAS SPRING FASTENER DRIVE TOOLJune 2025October 2025Allow410NoNo
19234090GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESJune 2025January 2026Allow700YesNo
19231787HANDHELD APPARATUSJune 2025September 2025Allow400NoNo
19137261COWL OF AN AIRCRAFT TURBINE ENGINE COMPRISING A CENTRAL GRIPPING INTERFACEJune 2025October 2025Allow500YesNo
19230025TUNABLE MASS DAMPER ASSEMBLY FOR A ROTOR BLADEJune 2025January 2026Allow810NoNo
19227642TURBINE ENGINE WITH COMPOSITE AIRFOILSJune 2025August 2025Allow300YesNo
19227649TURBINE ENGINE WITH COMPOSITE AIRFOILSJune 2025December 2025Allow710NoNo
19227873FIRST STAGE IMPULSE STEAM TURBINE NOZZLE AXIALLY TANGENTIAL HOLES MATRIXJune 2025January 2026Allow710NoNo
19226509PropellerJune 2025October 2025Allow510NoNo
19226295BLOWERJune 2025March 2026Allow911YesNo
19225279HEAT EXCHANGERS FOR GAS TURBINE ENGINESJune 2025October 2025Allow400NoNo
19223544GAS TURBINE ENGINE COMPRESSOR ARRANGEMENTMay 2025December 2025Allow700YesNo
19224336PITCH-CONTROLLED BLADE RETENTION COLLARMay 2025July 2025Allow100NoNo
19221547WIND TURBINE FLUTTER SUPPRESSION METHOD AND DEVICE, CONTROL SYSTEM AND WIND TURBINEMay 2025December 2025Allow711YesNo
19222764TUNABLE BLADE ASSEMBLY, A BLADE ASSEMBLY, AND A METHOD OF CONTROLLING VIBRATIONMay 2025January 2026Allow811YesNo
19219003TURBINE BLADE, IN PARTICULAR FOR A GAS TURBINE ENGINEMay 2025November 2025Allow510YesNo
19218231NOISE ELIMINATION AND VIBRATION DAMPING DEVICE FOR AIR COMPRESSOR AND AIR COMPRESSORMay 2025February 2026Allow910NoNo
19215056INTERNALLY COOLED BRUSH SEAL BACKING PLATE AND METHODMay 2025October 2025Allow501YesNo
19214414TURBINE ENGINE WITH COMPOSITE AIRFOILSMay 2025November 2025Allow610NoNo
19214354TURBINE ENGINE WITH COMPOSITE AIRFOILSMay 2025October 2025Allow510NoNo
19215171Mixing UtensilMay 2025December 2025Allow711YesNo
19213132CASE FAN SYSTEM OF EASY ASSEMBLY AND DISASSEMBLY AND ELECTRONIC DEVICE INCLUDING THE SAMEMay 2025July 2025Allow200NoNo
19208379Vane Assembly For Open Fan EngineMay 2025March 2026Allow1010YesNo
19208528CEILING FAN MOUNTING ASSEMBLYMay 2025October 2025Allow500YesNo
19208302TURBINE ROTOR DOVETAIL STRUCTURE WITH SPLINESMay 2025October 2025Allow501YesNo
19205073WAIST FANMay 2025October 2025Allow620NoNo
19128462FIBROUS TEXTURE FOR A CASING MADE OF COMPOSITE MATERIAL WITH REINFORCED FLANGESMay 2025November 2025Allow600YesNo
19201187TURBINE NOZZLE ASSEMBLY WITH SYMMETRICAL STRESS RELIEF STRUCTURE FOR MOUNTING RAILMay 2025September 2025Allow500NoNo
19201295SEALING ARRANGEMENT FOR A TURBOMACHINE, SEAL CARRIER ELEMENT FOR THE SEALING ARRANGEMENT, GUIDE BLADE ELEMENT, AND TURBOMACHINEMay 2025December 2025Allow711NoNo
19199194GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESMay 2025August 2025Allow400NoNo
19198072IMPELLER FOR AUTOMATED MICROFOAMINGMay 2025August 2025Allow400NoNo
19197884GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESMay 2025August 2025Allow300NoNo
19195790SEAL ASSEMBLY FOR A GAS TURBINE ENGINEMay 2025January 2026Allow911YesNo
19195761NECK FANMay 2025January 2026Allow911YesNo
19195004GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESApril 2025July 2025Allow300YesNo
19194776MOUNTING STRUCTURE FOR A FAN LAMPApril 2025August 2025Allow300NoNo
19193256TURBINE ASSEMBLYApril 2025July 2025Allow300YesNo
19191864METHODS AND APPARATUS TO IMPROVE FAN OPERABILITY CONTROL USING SMART MATERIALSApril 2025October 2025Allow510YesNo
19191871RAPID ACTIVE CLEARANCE CONTROL SYSTEM OF INTER STAGE AND MID-SEALSApril 2025November 2025Allow600NoNo
19191128DOUBLE-SUCTION SPLIT CASE MULTI-DISC PUMPApril 2025November 2025Allow610NoNo
19192251FLUID END WITH CLAMPED RETENTIONApril 2025October 2025Allow610NoNo
19190284GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESApril 2025May 2025Allow100YesNo
19190507GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESApril 2025June 2025Allow100NoNo
19188027VIBRATION SUPPRESSION OF TURBINE BLADEApril 2025November 2025Allow710NoNo
19124113BLADE OR VANE WITH A ROOT MADE BY CROSSING WEFT YARNSApril 2025November 2025Allow700NoNo
19188407BLADELESS CEILING FANApril 2025June 2025Allow200YesNo
19188437AIRFOIL HAVING FLEX ELEMENTS WITH MULTI-DIMENSIONAL CURVATUREApril 2025December 2025Allow710NoNo
19187119TURBINE ENGINE WITH A PRIMARY STAGE OF AIRFOILS AND A SUBSIDIARY STAGE OF AIRFOILSApril 2025June 2025Allow200YesNo
19186738COMPOSITE BLADEApril 2025December 2025Allow810NoNo
19185505FAN MODULE AND ELECTRONIC DEVICEApril 2025December 2025Allow810NoNo
19185238CENTRIFUGAL FANApril 2025October 2025Allow610NoNo
19184773MOUNTING ASSEMBLY FOR A GEARBOX ASSEMBLYApril 2025June 2025Allow100YesNo
19185043CENTRIFUGAL FAN, NECK FAN, AND VORTEX SHELL ASSEMBLYApril 2025September 2025Allow510NoNo
19183289PROPELLERApril 2025March 2026Allow1110NoNo
19182269WAIST HANGING FANApril 2025November 2025Allow700NoNo
19180539GAS SEAL COLUMN APPARATUS WITH SENSOR COLUMNApril 2025July 2025Allow310NoNo
19177992APPARATUS TO REDUCE BEARING FAILUREApril 2025December 2025Allow911YesNo
19177403GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANESApril 2025June 2025Allow200YesNo
19177204CEILING FAN WITH A BLADE QUICK CONNECTIONApril 2025October 2025Allow610NoNo
19119703WIND TURBINE ROTOR BLADE PITCH CONTROL FOR TOWER FATIGUE REDUCTIONApril 2025October 2025Allow700NoNo
19173420REFRIGERABLE HANGING ICE NECK COLLARApril 2025January 2026Allow910NoNo
19172410VARIABLE FLOWPATH CASINGS FOR BLADE TIP CLEARANCE CONTROLApril 2025February 2026Allow1110NoNo
19171537FAN BEARING FIXING AND ANTI-SLIPPING STRUCTUREApril 2025January 2026Allow1020YesNo
19170305SEAL ASSEMBLY FOR A ROTARY MACHINEApril 2025January 2026Allow1020YesNo
19169228PACKING BORE WEAR SLEEVE RETAINER SYSTEMApril 2025September 2025Allow510YesNo
18836052CENTRIFUGAL FANApril 2025November 2025Allow1610NoNo
19098038HYDRAULIC CIRCUIT FOR A CONSTRUCTION MACHINEApril 2025October 2025Allow700NoNo
19097493TURBOFAN ENGINE INCLUDING A FAN ACTUATION SYSTEMApril 2025June 2025Allow300NoNo
19095672NO FUNNEL HOUSING WIND TURBINEMarch 2025September 2025Allow500YesNo

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
755
Examiner Affirmed
524
(69.4%)
Examiner Reversed
231
(30.6%)
Reversal Percentile
41.1%
Lower than average

What This Means

With a 30.6% 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
1474
Allowed After Appeal Filing
480
(32.6%)
Not Allowed After Appeal Filing
994
(67.4%)
Filing Benefit Percentile
52.0%
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, 32.6% 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 39,741 patent applications in our dataset, with an overall allowance rate of 79.8%. Applications typically reach final disposition in approximately 32 months.

Comparative Analysis

Art Unit 3745's allowance rate of 79.8% places it in the 62% 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 1.49 office actions before reaching final disposition (in the 21% percentile). The median prosecution time is 32 months (in the 45% 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.