Detailed information about the 100 most recent patent applications.
| Application Number | Title | Filing Date | Disposal Date | Disposition | Time (months) | Office Actions | Restrictions | Interview | Appeal |
|---|---|---|---|---|---|---|---|---|---|
| 19320435 | AIRCRAFT ENGINE | September 2025 | January 2026 | Allow | 4 | 0 | 0 | Yes | No |
| 19297441 | LOW CARBON EMISSION HYDROGEN PRODUCTION | August 2025 | February 2026 | Allow | 6 | 0 | 0 | Yes | No |
| 19295875 | ACCRETION DETECTION SYSTEMS AND ASSOCIATED METHODS FOR GAS TURBINE ENGINES | August 2025 | October 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19292361 | MEDICAL DEVICES AND RELATED SYSTEMS AND METHODS | August 2025 | December 2025 | Allow | 5 | 0 | 0 | No | No |
| 19289631 | BREASTMILK COLLECTION | August 2025 | February 2026 | Allow | 7 | 0 | 1 | Yes | No |
| 19288433 | TURBINE ENGINE INCLUDING A GAS PATH COMPONENT HAVING A HYDROPHOBIC COATING | August 2025 | February 2026 | Allow | 6 | 1 | 0 | Yes | 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 |
| 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 |
| 19249469 | SYSTEMS AND METHODS OF PROCESSING WASTE TO GENERATE ENERGY AND GREEN HYDROGEN | June 2025 | September 2025 | Allow | 3 | 1 | 0 | Yes | 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 |
| 19241445 | THERMAL MANAGEMENT SYSTEM FOR A GAS TURBINE ENGINE | June 2025 | February 2026 | Abandon | 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 |
| 19235235 | INJECTOR ASSEMBLY FOR AN ENGINE, AND AIRCRAFT | June 2025 | February 2026 | Allow | 8 | 1 | 0 | Yes | No |
| 19232069 | TURBINE AIRFOIL AND GAS TURBINE INCLUDING THE SAME | June 2025 | February 2026 | Allow | 8 | 1 | 0 | No | 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 |
| 19228387 | GEARBOX ASSEMBLY WITH LUBRICANT EXTRACTION VOLUME RATIO | June 2025 | March 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 |
| 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 |
| 19210808 | GAS TURBINE ENGINE | May 2025 | March 2026 | Allow | 10 | 1 | 0 | Yes | No |
| 19209005 | DIFFUSERS, GAS TURBINE ENGINES COMPRISING THE SAME, AND METHODS FOR OPERATION THEREOF | May 2025 | August 2025 | Allow | 3 | 0 | 0 | No | No |
| 19207845 | CLEARANCE PROBE ASSEMBLY USING REPLENISHABLE, CONTACTING ELONGATED CLEARANCE TIP | May 2025 | August 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19203919 | FAN BLADE ASSEMBLY WITH LEADING EDGE FILLET | May 2025 | September 2025 | Allow | 4 | 0 | 0 | No | No |
| 19201172 | RAPID BULK SWIRL QUENCH ZONE FOR SUPER COMPACT COMBUSTOR | May 2025 | February 2026 | Allow | 10 | 1 | 0 | Yes | No |
| 19201178 | SUPERCHARGED COMBUSTOR COOLING USING TURBOMACHINERY | May 2025 | October 2025 | Allow | 5 | 0 | 0 | No | No |
| 19196224 | CONNECTION STRUCTURE FOR A GENERATOR ASSEMBLY | May 2025 | February 2026 | Allow | 9 | 1 | 0 | No | No |
| 19194287 | FUEL CELL TURBOELECTRIC FAN FOR AN AIRCRAFT | April 2025 | July 2025 | Allow | 3 | 1 | 0 | No | No |
| 19193186 | GAS TURBINE ENGINE AND FUEL NOZZLE THEREFOR | April 2025 | July 2025 | Allow | 3 | 0 | 0 | No | No |
| 19192976 | SEAL PLATE METHOD FOR COMMUNICATING RETRACT OIL TO RETRACT SIDE OF PISTON IN HYDRAULIC CYLINDER | April 2025 | January 2026 | Allow | 9 | 1 | 0 | No | No |
| 19191681 | AUTOMATIC BLEED VALVE | April 2025 | October 2025 | Allow | 5 | 0 | 0 | No | No |
| 19190948 | FUELING PASSAGE ARRAY SEALING SYSTEM AND METHOD OF USE | April 2025 | July 2025 | Allow | 3 | 0 | 0 | No | No |
| 19190683 | GAS DISTRIBUTOR FOR ELECTRIC PROPULSION SYSTEMS | April 2025 | November 2025 | Allow | 7 | 1 | 0 | No | No |
| 19177421 | GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES | April 2025 | May 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19175700 | TURBOMACHINE POWER AUGMENTATION FEATURES AND METHODS | April 2025 | November 2025 | Allow | 7 | 0 | 0 | Yes | No |
| 19172433 | COMBUSTORS AND METHODS OF MITIGATING THERMOACOUSTIC INSTABILITIES IN A GAS FLOW | April 2025 | February 2026 | Allow | 10 | 1 | 1 | Yes | No |
| 19169657 | TURBOMACHINE FOR A FLIGHT PROPULSION DRIVE | April 2025 | March 2026 | Abandon | 11 | 1 | 0 | No | No |
| 19098652 | GAS TURBINE ENGINE | April 2025 | March 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19096780 | GAS TURBINE ENGINE HYDRAULIC SYSTEM | April 2025 | February 2026 | Allow | 10 | 1 | 0 | No | No |
| 19095790 | GAS TURBINE ENGINE WITH COMPARTMENT ANTI-ICING SYSTEM | March 2025 | November 2025 | Allow | 8 | 1 | 0 | Yes | No |
| 19093578 | Air-Breathing Plasma Thruster | March 2025 | August 2025 | Allow | 4 | 0 | 0 | No | No |
| 19093452 | INDUCING WINDMILLING TO ALLOW OIL FLOW DURING FIRE-INDUCED EMERGENCY STATE | March 2025 | October 2025 | Allow | 7 | 0 | 1 | Yes | No |
| 19092045 | INTEGRATED GAS TURBINE CYCLE AND LIQUID AIR ENERGY CONVERSION SYSTEM | March 2025 | December 2025 | Allow | 9 | 1 | 1 | Yes | No |
| 19093027 | Turbomolecular Air-Scoop for Satellite Air-Breathing Electric Propulsion | March 2025 | February 2026 | Allow | 11 | 0 | 0 | No | No |
| 19092052 | NOZZLE BODY FOR FUEL INJECTOR | March 2025 | October 2025 | Allow | 7 | 0 | 0 | No | No |
| 19091227 | GAS TURBINE ENGINE | March 2025 | March 2026 | Allow | 12 | 1 | 0 | Yes | No |
| 19091215 | GAS TURBINE ENGINE | March 2025 | February 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19089168 | HYDROGEN FUELLED AIRCRAFT PROPULSION SYSTEM | March 2025 | June 2025 | Allow | 2 | 0 | 0 | No | No |
| 19084892 | GAS TURBINE TEMPERATURE SENSOR | March 2025 | November 2025 | Allow | 8 | 0 | 0 | No | No |
| 19083635 | ATOMIZING HEAD BAFFLE AND FRAGRANCE DIFFUSER | March 2025 | February 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19083171 | GAS TURBINE ENGINE | March 2025 | April 2025 | Allow | 1 | 0 | 0 | No | No |
| 19083195 | GAS TURBINE ENGINE | March 2025 | September 2025 | Allow | 6 | 1 | 0 | No | No |
| 19083161 | GAS TURBINE ENGINE | March 2025 | February 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19082771 | METHOD FOR STARTING GAS TURBINE | March 2025 | October 2025 | Allow | 7 | 0 | 0 | No | No |
| 19080358 | 3D DIFFUSER FED SCOOP FUEL INJECTOR | March 2025 | November 2025 | Allow | 8 | 0 | 0 | No | No |
| 19080369 | UNITARY CASE INTEGRATED FLOW SCOOPS | March 2025 | August 2025 | Allow | 5 | 0 | 0 | Yes | No |
| 19078713 | INJECTOR ASSEMBLY FOR A GAS TURBINE AND AIRCRAFT | March 2025 | January 2026 | Allow | 10 | 1 | 0 | Yes | No |
| 19111134 | THRUST REVERSER COMPRISING MEANS FACILITATING THE MOUNTING OF A MEMBRANE FOR SEALING OFF THE SECONDARY FLOW PATH | March 2025 | August 2025 | Allow | 5 | 0 | 0 | Yes | No |
| 19077801 | GAS TURBINE ENGINE | March 2025 | February 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19077821 | GAS TURBINE ENGINE | March 2025 | February 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19074078 | TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING A SET OF COOLING CONDUITS | March 2025 | January 2026 | Allow | 11 | 1 | 0 | No | No |
| 19074068 | TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING A SET OF COOLING CONDUITS | March 2025 | August 2025 | Allow | 5 | 0 | 0 | No | No |
| 19072370 | GEARED GAS TURBINE ENGINE | March 2025 | October 2025 | Allow | 8 | 0 | 0 | No | No |
| 19070161 | GAS TURBINE ENGINE | March 2025 | February 2026 | Allow | 12 | 1 | 0 | Yes | No |
| 19069982 | GAS TURBINE ENGINE | March 2025 | January 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19066792 | Orbital Maneuver Apparatus | February 2025 | June 2025 | Allow | 3 | 1 | 0 | No | No |
| 19065689 | WORKING FLUID SYSTEM FOR AIRCRAFT POWERPLANT | February 2025 | October 2025 | Allow | 8 | 1 | 0 | No | No |
| 19063679 | GAS TURBINE ENGINE | February 2025 | January 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19063662 | GAS TURBINE ENGINE | February 2025 | January 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19063746 | GAS TURBINE ENGINE | February 2025 | January 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19063927 | SENSING OF ISOLATOR SHOCK SYSTEMS | February 2025 | September 2025 | Allow | 6 | 0 | 0 | No | No |
| 19061269 | COMBUSTOR ASSEMBLY FOR A GAS TURBINE ENGINE | February 2025 | October 2025 | Allow | 8 | 1 | 1 | No | No |
| 18869851 | ENGINE ARRANGEMENT FOR AN AIRCRAFT, AND AIRCRAFT | February 2025 | February 2026 | Allow | 14 | 2 | 0 | No | No |
| 19061588 | ARTICLE AND METHOD FOR MANUFACTURING AN EXPANDED COMBUSTOR LINER | February 2025 | November 2025 | Allow | 9 | 1 | 0 | Yes | No |
| 19060161 | TURBINE ENGINE AIRFOIL | February 2025 | February 2026 | Allow | 12 | 1 | 0 | No | No |
| 19060234 | HIGH-SPEED SHAFT RATING FOR TURBINE ENGINES | February 2025 | May 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19060252 | HIGH-SPEED SHAFT RATING FOR TURBINE ENGINES | February 2025 | June 2025 | Allow | 4 | 0 | 0 | Yes | No |
| 19060222 | HIGH-SPEED SHAFT RATING FOR TURBINE ENGINES | February 2025 | May 2025 | Allow | 3 | 0 | 0 | Yes | No |
| 19059543 | ACTIVE DE-AERATOR FOR AIRCRAFT POWER PLANT | February 2025 | November 2025 | Allow | 9 | 1 | 0 | No | No |
| 19059571 | ACTIVE DE-AERATOR FOR AIRCRAFT POWER PLANT | February 2025 | July 2025 | Allow | 5 | 0 | 0 | No | No |
| 19057706 | MULTI-PHASE FLUID FUEL SYSTEMS AND RELATED METHODS | February 2025 | January 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19055637 | GAS TURBINE ENGINE | February 2025 | February 2026 | Allow | 12 | 1 | 0 | Yes | No |
| 19055734 | GAS TURBINE ENGINE | February 2025 | February 2026 | Allow | 12 | 1 | 0 | Yes | No |
| 19055645 | GAS TURBINE ENGINE | February 2025 | February 2026 | Allow | 12 | 1 | 0 | Yes | No |
| 19055689 | NONPREMIXED, RICH, RELAX, LEAN COMBUSTOR | February 2025 | October 2025 | Allow | 8 | 1 | 0 | Yes | No |
| 19050368 | HYDROGEN FUELLED GAS TURBINE ENGINE | February 2025 | October 2025 | Allow | 8 | 1 | 0 | Yes | No |
| 19050364 | HYDROGEN FUELLED GAS TURBINE ENGINE | February 2025 | August 2025 | Allow | 6 | 1 | 0 | Yes | No |
| 19045244 | GAS TURBINE ENGINE | February 2025 | January 2026 | Allow | 11 | 1 | 0 | Yes | No |
| 19044501 | SYSTEM AND METHOD FOR FUEL INJECTION IN TURBINE SECTION OF GAS TURBINE ENGINE | February 2025 | September 2025 | Allow | 7 | 1 | 0 | Yes | No |
| 19041520 | GAS TURBINE ENGINE HAVING A HEAT EXCHANGER LOCATED IN AN ANNULAR DUCT | January 2025 | March 2026 | Allow | 13 | 2 | 0 | No | No |
| 19041081 | AEROSPACE THERMAL MANAGEMENT SYSTEM | January 2025 | February 2026 | Allow | 12 | 1 | 0 | No | No |
| 19041620 | Electron Propulsion Engine and Method of Operation Thereof | January 2025 | June 2025 | Allow | 4 | 0 | 0 | No | No |
| 19038212 | COMBUSTION APPARATUS FOR A GAS TURBINE ENGINE | January 2025 | March 2026 | Allow | 13 | 1 | 0 | Yes | No |
| 19037587 | SELF-PRESSURIZED AMMONIA FUEL SUPPLY SYSTEMS AND METHODS FOR GAS TURBINE ENGINES | January 2025 | October 2025 | Allow | 9 | 1 | 0 | No | No |
| 19038327 | ROCKET ENGINE WITH DUAL CONTOUR NOZZLE | January 2025 | October 2025 | Allow | 9 | 1 | 0 | No | No |
| 19036330 | AIRCRAFT ENGINE | January 2025 | July 2025 | Allow | 6 | 0 | 0 | No | No |
This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3741.
With a 29.0% reversal rate, the PTAB affirms the examiner's rejections in the vast majority of cases. This reversal rate is below the USPTO average, indicating that appeals face more challenges 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, 29.5% 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.
⚠ 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 3741 is part of Group 3740 in Technology Center 3700. This art unit has examined 14,928 patent applications in our dataset, with an overall allowance rate of 73.8%. Applications typically reach final disposition in approximately 37 months.
Art Unit 3741's allowance rate of 73.8% 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.
Applications in Art Unit 3741 receive an average of 1.84 office actions before reaching final disposition (in the 45% percentile). The median prosecution time is 37 months (in the 25% percentile).
When prosecuting applications in this art unit, consider the following:
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.