Detailed information about the 100 most recent patent applications.
| Application Number | Title | Filing Date | Disposal Date | Disposition | Time (months) | Office Actions | Restrictions | Interview | Appeal |
|---|---|---|---|---|---|---|---|---|---|
| 19044126 | ENHANCEMENTS FOR CARBURETED AND RETROFIT ELECTRONIC FUEL INJECTION AIRCRAFT ENGINES | February 2025 | April 2025 | Allow | 2 | 0 | 0 | No | No |
| 19006986 | System and Method of Immobilizing a Vehicle to Prevent Vehicle Theft | December 2024 | April 2025 | Allow | 3 | 1 | 0 | No | No |
| 18968555 | Two Stroke Charge Piston Engine | December 2024 | January 2025 | Allow | 2 | 0 | 0 | No | No |
| 18960582 | Toroidal Vortex Induction Diffuser | November 2024 | February 2025 | Allow | 3 | 1 | 0 | No | No |
| 18940487 | INTERNAL COMBUSTION ENGINE | November 2024 | May 2025 | Allow | 6 | 1 | 0 | No | No |
| 18933074 | OIL PAN WITH AIR RETURN PORTS FOR DIRECTING AIRFLOW IN INTERNAL COMBUSTION ENGINES | October 2024 | December 2024 | Allow | 2 | 0 | 0 | Yes | No |
| 18859444 | Crankcase Pressure Regulator Having Umbrella Style Valve | October 2024 | February 2025 | Allow | 3 | 0 | 0 | No | No |
| 18918554 | Piston System For a Compression Engine | October 2024 | March 2025 | Allow | 5 | 1 | 0 | No | No |
| 18906826 | HYDRO-DIESEL ENGINE SYSTEM HAVING SEPARATE AGITATION MIXING AND CHEMICAL MIXING OF HYDROGEN GAS INTO LIQUID DIESEL FUEL | October 2024 | June 2025 | Allow | 9 | 1 | 0 | No | No |
| 18904051 | SYSTEMS AND METHODS FOR AN INTERNAL COMBUSTION ENGINE UTILIZING AMMONIA AS A FUEL SOURCE AND AS A HEAT-EXCHANGE MEDIUM FOR ENGINE COOLING | October 2024 | May 2025 | Allow | 7 | 1 | 0 | No | No |
| 18894704 | SYSTEM FOR REMOTELY MONITORING AND CONTROLLING OPERATION OF A HYDRO-DIESEL ENGINE | September 2024 | April 2025 | Allow | 6 | 1 | 0 | No | No |
| 18849752 | METHOD AND DEVICE FOR CONTROLLING STOPPING OF ENGINE | September 2024 | June 2025 | Allow | 9 | 0 | 0 | No | No |
| 18884387 | ENGINE DATA PROCESSOR AND COMPUTER-IMPLEMENTED METHOD FOR THE ADJUSTMENT OF AN EXHAUST GAS COMPOSITION | September 2024 | July 2025 | Allow | 10 | 0 | 0 | No | No |
| 18845150 | VALVE BRIDGE WITH INTEGRATED SPLINE BUSHING FOR LOST MOTION AND ENGINE BRAKE | September 2024 | July 2025 | Allow | 10 | 1 | 0 | No | No |
| 18825364 | PRECOMBUSTION CHAMBER IGNITER AND COLD START CONTROL METHOD FOR METHANOL ENGINE | September 2024 | May 2025 | Allow | 8 | 0 | 0 | No | No |
| 18823917 | INJECTION CONTROL APPARATUS | September 2024 | June 2025 | Allow | 10 | 0 | 0 | No | No |
| 18819257 | ENGINE CONTROLLER | August 2024 | April 2025 | Allow | 7 | 0 | 0 | No | No |
| 18815918 | DRIVING ENGINE FOR VEHICLES | August 2024 | June 2025 | Allow | 9 | 1 | 0 | No | No |
| 18814804 | DUAL-PASSAGE, QUICK-CONNECT FLUID COUPLERS WITH INTEGRATED FLUID SENSORS AND METHODS FOR MAKING AND USING THE SAME | August 2024 | January 2025 | Allow | 5 | 0 | 0 | No | No |
| 18814643 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE | August 2024 | March 2025 | Allow | 7 | 1 | 0 | No | No |
| 18811776 | COVER MEMBER | August 2024 | March 2025 | Allow | 7 | 0 | 0 | No | No |
| 18809292 | Direct In cylinder injector for gaseous fuel | August 2024 | February 2025 | Allow | 6 | 1 | 0 | No | No |
| 18839495 | Piston Ring | August 2024 | February 2025 | Allow | 5 | 0 | 0 | No | No |
| 18804694 | Mixture Formation Apparatus, Method of Manufacturing a Mixture Formation Apparatus and Working Device or Internal Combustion Engine | August 2024 | June 2025 | Allow | 10 | 0 | 0 | No | No |
| 18838017 | Apparatus and Method for Controlling Internal Combustion Engine | August 2024 | April 2025 | Allow | 8 | 0 | 0 | No | No |
| 18800962 | VALVE BRIDGE STABILIZER FOR ENGINE BRAKING | August 2024 | February 2025 | Allow | 6 | 0 | 0 | No | No |
| 18798884 | COMPRESSION IGNITION ENGINE, COMMERCIAL VEHICLE, AND METHOD FOR IMPROVING STARTING BEHAVIOUR | August 2024 | June 2025 | Allow | 10 | 1 | 0 | No | No |
| 18799157 | EXHAUST SYSTEM FOR AN INTERNAL COMBUSTION ENGINE | August 2024 | June 2025 | Allow | 10 | 1 | 0 | No | No |
| 18836476 | GAS SUPPLY SYSTEM | August 2024 | June 2025 | Allow | 10 | 0 | 0 | No | No |
| 18836621 | HYDROGEN-FUELED FOUR-STROKE INTERNAL COMBUSTION ENGINE | August 2024 | April 2025 | Allow | 8 | 0 | 0 | No | No |
| 18797151 | Small Engine Starter Device | August 2024 | January 2025 | Allow | 5 | 0 | 0 | No | No |
| 18795363 | CYLINDER HEAD | August 2024 | April 2025 | Allow | 9 | 1 | 0 | No | No |
| 18835914 | ELECTRONIC CONTROL DEVICE AND METHOD FOR CONTROLLING ELECTRONIC CONTROL DEVICE | August 2024 | June 2025 | Allow | 10 | 0 | 0 | No | No |
| 18793312 | PREDICTIVE MODEL-BASED SPARK CONTROL | August 2024 | December 2024 | Allow | 5 | 1 | 0 | No | No |
| 18835007 | APPARATUS AND METHOD FOR REGULATING AND INJECTING GASEOUS FUEL INTO AN INTERNAL COMBUSTION ENGINE | July 2024 | June 2025 | Allow | 10 | 0 | 0 | No | No |
| 18834237 | OPPOSED-PISTON INTERNAL COMBUSTION ENGINE | July 2024 | June 2025 | Allow | 10 | 1 | 0 | No | No |
| 18833443 | DIAGNOSTIC DEVICE FOR EXHAUST GAS AFTERTREATMENT DEVICE, DIAGNOSTIC METHOD FOR EXHAUST GAS AFTERTREATMENT DEVICE, AND DIAGNOSTIC PROGRAM FOR EXHAUST GAS AFTERTREATMENT DEVICE | July 2024 | June 2025 | Allow | 10 | 1 | 0 | No | No |
| 18833332 | ENGINE AND METHOD OF CONTROLLING ENGINE | July 2024 | April 2025 | Allow | 8 | 0 | 0 | No | No |
| 18784328 | Piston with Vaulted Cooling Chamber | July 2024 | May 2025 | Abandon | 10 | 1 | 0 | No | No |
| 18780725 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE | July 2024 | March 2025 | Allow | 8 | 1 | 0 | No | No |
| 18730828 | IN-VEHICLE CONTROL DEVICE AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE | July 2024 | June 2025 | Allow | 10 | 1 | 0 | No | No |
| 18779509 | ENGINE INTAKE MANIFOLD | July 2024 | December 2024 | Allow | 5 | 0 | 0 | No | No |
| 18730059 | HYDROGEN-DIESEL DIRECT INJECTION DUAL-FUEL SYSTEM FOR INTERNAL COMBUSTION ENGINES | July 2024 | February 2025 | Allow | 7 | 0 | 0 | No | No |
| 18776320 | ELECTRONIC PRESSURE REGULATOR | July 2024 | April 2025 | Allow | 8 | 0 | 0 | No | No |
| 18777417 | WIRELESS ACTIVE SUSPENSION SYSTEM | July 2024 | May 2025 | Allow | 10 | 0 | 0 | No | No |
| 18771335 | PISTON BODY FOR AN ENGINE HAVING SURFACE FEATURES FOR INTERACTING WITH BOUNDARY LAYER | July 2024 | December 2024 | Allow | 5 | 0 | 0 | No | No |
| 18771153 | ELECTRONIC FUEL INJECTION THROTTLE BODY ASSEMBLY | July 2024 | June 2025 | Allow | 11 | 1 | 0 | No | No |
| 18728400 | ENGINE CONTROL DEVICE, ENGINE CONTROL SYSTEM, AND ENGINE CONTROL PROGRAM | July 2024 | May 2025 | Allow | 10 | 0 | 0 | No | No |
| 18765492 | VEHICLE DRIVING DEVICE | July 2024 | May 2025 | Allow | 10 | 0 | 0 | No | No |
| 18764849 | CANISTER | July 2024 | February 2025 | Allow | 8 | 1 | 0 | Yes | No |
| 18760644 | COMPRESSED GAS ASSISTED INERTIAL IMPACTOR WITH ELASTOMERIC NOZZLES | July 2024 | February 2025 | Allow | 8 | 0 | 1 | Yes | No |
| 18757486 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD OF MANUFACTURING THE PISTON | June 2024 | February 2025 | Allow | 8 | 0 | 1 | Yes | No |
| 18724903 | ENGINE CRANKCASE VENTILATION SYSTEM | June 2024 | May 2025 | Allow | 11 | 2 | 0 | No | No |
| 18755158 | DUAL FUEL INJECTOR CONTROL METHOD FOR A VEHICLE | June 2024 | November 2024 | Allow | 5 | 1 | 0 | Yes | No |
| 18753500 | METHOD AND SYSTEM FOR CONTROLLING DIESEL ENGINE EMISSIONS BY FUEL BLENDING | June 2024 | December 2024 | Allow | 6 | 1 | 0 | Yes | No |
| 18724063 | AMMONIA-BURNING COMBUSTION ENGINE | June 2024 | June 2025 | Allow | 11 | 1 | 0 | Yes | No |
| 18752904 | INTERNAL COMBUSTION ENGINE WITH EXTERNAL CIRCULATION SYSTEM AND WORKING METHOD THEREOF | June 2024 | March 2025 | Allow | 9 | 2 | 0 | No | No |
| 18751469 | ENHANCED CONTROL OF HYDROGEN INJECTION FOR INTERNAL COMBUSTION ENGINE SYSTEM AND METHOD | June 2024 | November 2024 | Allow | 5 | 0 | 0 | No | No |
| 18722931 | FUEL-RAIL ASSEMBLY | June 2024 | May 2025 | Allow | 10 | 1 | 0 | No | No |
| 18748323 | CYLINDER DEACTIVATION CONTROL METHOD AND APPARATUS OF ENGINE, AND ENGINE | June 2024 | November 2024 | Allow | 4 | 0 | 0 | No | No |
| 18748392 | CYLINDER DEACTIVATION CONTROL METHOD AND APPARATUS OF ENGINE, AND ENGINE | June 2024 | October 2024 | Allow | 4 | 0 | 0 | No | No |
| 18722131 | ENGINE SYSTEM | June 2024 | December 2024 | Allow | 6 | 0 | 0 | No | No |
| 18746160 | FUEL SUPPLY DEVICE FOR GAS FUEL | June 2024 | October 2024 | Allow | 4 | 0 | 0 | No | No |
| 18745150 | AIR-COOLED, FOUR-STROKE AVIATION ENGINE | June 2024 | June 2025 | Allow | 12 | 1 | 0 | No | No |
| 18720292 | METHOD OF OPERATING A WATER INJECTION SYSTEM | June 2024 | May 2025 | Allow | 11 | 1 | 0 | No | No |
| 18744325 | Air Intake Vibration Isolation Systems for Vehicle Engines | June 2024 | March 2025 | Allow | 9 | 1 | 1 | Yes | No |
| 18743116 | CONTROL SYSTEM FOR VEHICLE | June 2024 | January 2025 | Allow | 7 | 1 | 0 | No | No |
| 18719346 | FUEL CONDITIONING SYSTEM | June 2024 | December 2024 | Allow | 6 | 0 | 0 | No | No |
| 18741234 | CANISTER | June 2024 | January 2025 | Allow | 7 | 1 | 0 | Yes | No |
| 18718339 | A PISTON AND AN INTERNAL COMBUSTION ENGINE SYSTEM | June 2024 | June 2025 | Allow | 12 | 1 | 0 | No | No |
| 18717822 | FUEL PUMP | June 2024 | February 2025 | Allow | 8 | 0 | 0 | No | No |
| 18717793 | INJECTOR FOR GASEOUS FUEL | June 2024 | April 2025 | Allow | 10 | 1 | 0 | No | No |
| 18734374 | SHAFT FOR A TURBOMACHINE | June 2024 | May 2025 | Allow | 12 | 1 | 0 | No | No |
| 18734048 | Internal Combustion Engine with a High-Pressure Fuel Pump | June 2024 | April 2025 | Allow | 10 | 0 | 0 | Yes | No |
| 18733886 | AIRWAY STRUCTURE, CYLINDER COVER, AND MILLER-PROFILE ENGINE | June 2024 | October 2024 | Allow | 5 | 0 | 0 | No | No |
| 18734221 | ENGINE CONTROL SYSTEMS AND METHODS FOR STARTING AN ENGINE | June 2024 | June 2025 | Allow | 13 | 1 | 0 | No | No |
| 18734075 | CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE AND CONTROL DEVICE | June 2024 | January 2025 | Allow | 8 | 1 | 0 | No | No |
| 18732686 | MULTI-FUNCTION FUEL INJECTOR VALVE IN DUAL FUEL SYSTEM AND FUEL SYSTEM OPERATING METHOD | June 2024 | January 2025 | Allow | 7 | 1 | 0 | No | No |
| 18733025 | HIGH PRESSURE REGULATED FUEL RETURN APPARATUS FOR ENGINES USING DIRECT INJECTION FUEL SYSTEMS | June 2024 | December 2024 | Allow | 6 | 1 | 0 | No | No |
| 18716218 | Monitoring the Ventilation of a Crankcase of an Internal Combustion Engine | June 2024 | December 2024 | Allow | 6 | 0 | 0 | No | No |
| 18732374 | PREDICTIVE MODEL-BASED SPARK CONTROL | June 2024 | December 2024 | Allow | 6 | 2 | 0 | No | No |
| 18715499 | FUEL PUMP | May 2024 | March 2025 | Allow | 10 | 0 | 0 | No | No |
| 18678581 | CYLINDER HEAD COVER | May 2024 | January 2025 | Allow | 8 | 1 | 0 | Yes | No |
| 18679397 | SUPPORT STRUCTURE FOR INTAKE MANIFOLD | May 2024 | April 2025 | Allow | 11 | 1 | 0 | No | No |
| 18675197 | FOREIGN MATTER INTRUSION PREVENTION STRUCTURE | May 2024 | December 2024 | Allow | 7 | 1 | 0 | No | No |
| 18713836 | CRANKCASE GAS SEPARATOR | May 2024 | December 2024 | Allow | 6 | 0 | 0 | No | No |
| 18675456 | ENGINE CONTROL DEVICE | May 2024 | February 2025 | Allow | 8 | 1 | 0 | No | No |
| 18674457 | EXPLOSION PROOF STARTER SOLENOID ARRANGEMENT FOR ENGINES | May 2024 | April 2025 | Allow | 10 | 1 | 1 | No | No |
| 18712944 | TORSIONAL DAMPER AND HYBRID DRIVE MODULE COMPRISING SAME | May 2024 | November 2024 | Allow | 6 | 0 | 0 | No | No |
| 18673059 | SYSTEM AND METHOD OF ELECTRICAL CONNECTION OF RAIL VEHICLE FOR STORING, TRANSPORTING AND DELIVERING ELECTRIC ENERGY | May 2024 | April 2025 | Abandon | 10 | 1 | 0 | No | No |
| 18711914 | Control Device for Internal Combustion Engine | May 2024 | March 2025 | Allow | 10 | 1 | 0 | Yes | No |
| 18668775 | Turbo-Boost Controlled Intake System | May 2024 | May 2025 | Allow | 12 | 1 | 0 | No | No |
| 18668399 | SYSTEMS AND METHODS FOR PROVIDING REDUNDANT PULSE-WIDTH MODULATION (PWM) THROTTLE CONTROL | May 2024 | June 2025 | Allow | 12 | 1 | 0 | No | No |
| 18667398 | Ultra Low Enhancement Gas Injection | May 2024 | March 2025 | Abandon | 10 | 1 | 0 | No | No |
| 18666496 | UNIT CELL STRUCTURES INCLUDING STIFFENING PATTERNS | May 2024 | February 2025 | Allow | 9 | 0 | 0 | No | No |
| 18664360 | HEAD COVER | May 2024 | April 2025 | Allow | 11 | 1 | 0 | No | No |
| 18665015 | ROTATABLE BYPASS ASSEMBLY FOR FUEL SYSTEM | May 2024 | March 2025 | Allow | 10 | 0 | 0 | No | No |
| 18710327 | FUEL SUPPLY SYSTEM AND METHOD FOR CONTROLLING A FUEL PUMP OF A FUEL SUPPLY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE | May 2024 | December 2024 | Allow | 7 | 0 | 0 | Yes | No |
| 18664719 | Patient Support Apparatus With Ramp Transition Detection | May 2024 | October 2024 | Allow | 5 | 0 | 0 | Yes | No |
| 18710458 | CONNECTING ROD, PISTON, CRANK DRIVE, AND RECIPROCATING INTERNAL COMBUSTION ENGINE | May 2024 | May 2025 | Allow | 12 | 1 | 0 | No | No |
This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3747.
With a 53.8% reversal rate, the PTAB has reversed the examiner's rejections more often than affirming them. This reversal rate is in the top 25% across the USPTO, indicating that appeals are more successful here than in most other areas.
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, 39.1% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the top 25% across the USPTO, indicating that filing appeals is particularly effective here. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.
✓ 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 3747 is part of Group 3740 in Technology Center 3700. This art unit has examined 42,255 patent applications in our dataset, with an overall allowance rate of 85.8%. Applications typically reach final disposition in approximately 22 months.
Art Unit 3747's allowance rate of 85.8% places it in the 81% percentile among all USPTO art units. This art unit has a significantly higher allowance rate than most art units at the USPTO.
Applications in Art Unit 3747 receive an average of 1.22 office actions before reaching final disposition (in the 9% percentile). The median prosecution time is 22 months (in the 90% 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.