USPTO Art Unit 3725 Prosecution Statistics

Art Unit Information

Art Unit: 3725
Group: 3720
Tech Center: 3700
Total Cases: 23,390
Last Active: August 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19315485ELECTRICAL DRIVEN METAL BRIQUETTING SYSTEM AND METHODAugust 2025March 2026Allow710YesNo
19289591STUMP GRINDER WITH GRINDING ARM AND CONTROLAugust 2025January 2026Allow610NoNo
19265329COLDWORK HOLES WITH SEAMLESS SLEEVE AND UNIFORM EXPANSIONJuly 2025November 2025Allow410YesNo
19259052Band Employing Bistable Compliant Scissor Linkages And Hands-Free Actuation MechanismJuly 2025August 2025Allow200YesNo
19250302HELICAL FRICTION EXTRUSION MACHINE AND EXTRUSION FORMING METHODJune 2025August 2025Allow200NoNo
19240747INDEXING ROUTER BASEJune 2025October 2025Allow410NoNo
19233912BENDING MANDRIL COMPRISING ULTRA HIGH MOLECULAR WEIGHT MATERIAL, RELATED BENDING MACHINES, SYSTEMS, AND METHODSJune 2025October 2025Allow410YesNo
19233905MODULE PRESSURIZATION DEVICE AND PRESSURIZATION METHOD THEREFORJune 2025November 2025Allow501YesNo
19190726CONVEXITY ADJUSTING MECHANISM FOR WORKING ROLL OF STRAIGHTENING MACHINEApril 2025June 2025Allow200NoNo
19180462ELECTRO-HYDRAULIC RIVETING TOOLApril 2025July 2025Allow300YesNo
19076629BAND EMPLOYING BISTABLE COMPLIANT SCISSOR LINKAGESMarch 2025May 2025Allow200YesNo
19070460ZERO RETENTION COFFEE BEAN HOPPERMarch 2025September 2025Allow610YesNo
19104217METHOD FOR GRINDING MACROALGAEFebruary 2025October 2025Allow810YesNo
19054499MATERIAL EXTRACTING SYSTEM AND METHODFebruary 2025September 2025Allow710YesNo
19047357SYSTEM AND METHOD FOR ASSEMBLING AND/OR OPERATING CONTROL SWITCH IN RELATION TO WASTE DISPOSER AND IN RELATION TO ALTERNATIVE ELECTRIC POWER SOURCESFebruary 2025October 2025Allow800NoNo
19033163FIXING DEVICE FOR BENDING PROCESSING OF SHAFT-SHAPED MEMBERJanuary 2025February 2026Allow1300NoNo
19031312CARBONIZED WOODEN WINE GLASS AND MANUFACTURING METHOD THEREOFJanuary 2025June 2025Allow501NoNo
19021967PORTABLE BLENDER SYSTEMJanuary 2025January 2026Allow1220YesNo
19016633MEAT SHREDDERJanuary 2025March 2025Allow200YesNo
19012422PROCESS AND APPARATUS FOR INTEGRATED SUCKER ROD CONDITIONING AND SHOT PEENINGJanuary 2025July 2025Allow620NoNo
19002812METHOD FOR MANUFACTURING ROLLFORMING FRAME, AND ROLLFORMING FRAMEDecember 2024October 2025Allow911YesNo
18981068SYSTEM AND METHOD FOR WASTE VOLUME REDUCTION AND CAPTUREDecember 2024July 2025Allow700NoNo
18967483SILICON MATERIAL AND METHOD OF MANUFACTUREDecember 2024March 2026Abandon1510NoNo
18870676RIVETING DEVICE COMPRISING A SPRING ELEMENT OF AN INTEGRATED THREADED SPINDLEDecember 2024April 2025Allow400NoNo
18963928AUTOMATIC SIZE ADJUSTING AND DAMAGE PREVENTING GLASS GRINDER AND METHOD OF GRINDING GLASS MATERIALSNovember 2024August 2025Allow820NoNo
18963459DEVICES AND METHODS FOR CONTROLLABLE FORGING OF FORMING FLOW LINE OF COMPLEX-SHAPED COMPONENTNovember 2024February 2025Allow300NoNo
18961238GRINDING AND CRUSHING MACHINE FOR MAGNESIUM POWDER PRODUCTIONNovember 2024February 2025Allow200NoNo
18946964ORGANIC SOLID WASTE TREATMENT EQUIPMENT AND APPLICATION METHOD THEREOFNovember 2024April 2025Allow510YesNo
18945585OPTIMIZATION METHOD FOR BENDING REBOUND QUANTITY OF ALUMINUM ROLL FORMINGNovember 2024February 2025Allow300YesNo
18945872Container for Food Processing SystemNovember 2024March 2026Allow1600NoNo
18864387METHOD OF MANUFACTURING BOTTOMED CONTAINER, AND PRESS SYSTEMNovember 2024August 2025Allow910YesNo
18682757DEVICE FOR THE INTERNAL BENDING OF PIPES FOR PIPELINESOctober 2024June 2025Allow1610YesNo
18928290Methods to Breakdown Heterogeneous MaterialOctober 2024August 2025Abandon910NoNo
18927382ELECTRIC PIPE EXPANDEROctober 2024January 2026Allow1500YesNo
18925401Systems and Methods to Breakdown Heterogeneous MaterialOctober 2024December 2024Allow200YesNo
18858792Processing MachineOctober 2024May 2025Allow610YesNo
18919780PROCESSING DEVICE FOR FLANGEOctober 2024April 2025Allow610NoNo
18857822REED BALING AND STACKING DEVICE, METHOD, AND HARVESTEROctober 2024June 2025Allow800YesNo
18916330LASER WELDABLE STERLING ALLOYOctober 2024October 2025Allow1211YesNo
18913348DRYING APPARATUSES, DUST SEPARATION DEVICES, CRUSHING DEVICES, ORGANIC WASTE DISPOSAL SYSTEMS, AND OPERATING METHODSOctober 2024December 2024Allow200YesNo
18913397CONFIGURABLE, COMPACT, MULTI-VARIANT RECYCLABLE MATERIAL FRAGMENTATION APPARATUS AND METHODOctober 2024March 2026Allow1740NoNo
18911448Marine Vessel with Integrated Plastic Shredding and Pelletizing System for Ocean Cleanup and Repurposing into Plastic AsphaltOctober 2024March 2025Allow500NoNo
18898699APPARATUS AND METHOD FOR MANUFACTURING RECHARGEABLE BATTERY CASESeptember 2024April 2025Allow710YesNo
18888501Material Extracting System and MethodSeptember 2024September 2025Allow1220NoNo
18885553MOLDING MACHINES FOR FLEXIBLE PRODUCTION OF REBARS OF BOTTOM, WEB, AND TOP PLATES OF PRECAST SMALL BOX GIRDERS AND METHODS FOR USING THEREOFSeptember 2024January 2025Allow410NoNo
18829257PULL TAB WITH RAISED LIFT END AND ASSOCIATED METHODSeptember 2024December 2024Allow410NoNo
18829263MULTI-SENSOR-BASED HOT FORMING PRODUCTION SYSTEM FOR ALUMINUM ALLOY SHEET METAL PART AND CONTROL METHOD THEREOFSeptember 2024March 2025Allow610NoNo
18827285RETAINING DEVICE FOR SECURING WOOD TO A SAW MILLSeptember 2024October 2025Allow1310NoNo
18841522SINGLE-TOOTH TRACK PLATE COGGING-DOWN PASS AND HOT ROLLING METHODAugust 2024September 2025Allow1220NoNo
18807711Electric Spice Grinder with Digital ThermometerAugust 2024December 2024Allow410NoNo
18801230MULTI-DEGREE-OF-FREEDOM CONDUCTOR AUTOMATIC DEPOSITING SYSTEM FOR TOKAMAK TOROIDAL FIELD COIL WINDING PACKSAugust 2024March 2025Allow710NoNo
18799101Ice Cream MakerAugust 2024November 2024Allow410NoNo
18784817PUSH-BENDING FORMING DEVICE AND METHOD FOR TITANIUM ALLOY TUBESJuly 2024January 2025Allow610NoNo
18780364SYSTEMS AND METHODS FOR AUTOMATED CUTTING OF LUMBERJuly 2024March 2025Allow810NoNo
18730143UNIT FOR TREATING USED FOOD PACKAGESJuly 2024December 2024Allow510YesNo
18769787MULTIFUNCTIONAL PORTABLE GRINDER WITH INTEGRATED LIGHTER HOLDER AND RETRACTABLE MECHANISMJuly 2024June 2025Allow1121YesNo
18766020WOODEN TRUSS MANUFACTURING SYSTEM INCLUDING MULTIPLE PRINTERS AND METHODJuly 2024December 2024Allow510NoNo
18763247CONFIGURABLE, COMPACT, MULTI-VARIANT RECYCLABLE MATERIAL FRAGMENTATION APPARATUS AND METHODJuly 2024May 2025Abandon1120NoNo
18762421VIBRATION SUPPRESSION METHOD AND SYSTEM OF A ROLLING MILL ROLLER ASSEMBLY BASED ON A VIBRATION DAMPING DEVICEJuly 2024November 2024Allow420NoNo
18760762TURRET ROLL FORMERS, FORMING ROLLER CASSETTES AND RELATED ARTICLES AND METHODSJuly 2024February 2026Allow1910NoNo
18748300MANUAL MEAT GRINDERJune 2024April 2025Allow1020NoNo
18747746CONVEYING SYSTEM FOR AN AGRICULTURAL HARVESTERJune 2024December 2025Allow1730YesNo
18747321METHOD AND SYSTEM FOR RECYCLING WIND TURBINE BLADESJune 2024March 2025Allow911YesNo
18571185TEE TYPE CONNECTOR PIPE MANUFACTURING METHODJune 2024June 2025Allow1810NoNo
18740646PORTABLE ROUTING SYSTEM AND METHOD OF USEJune 2024July 2025Allow1330YesNo
18740694PORTABLE ROUTING SYSTEM AND METHOD OF USEJune 2024March 2025Allow920NoNo
18734500PRESSING TOOL WITH SAFETY ELEMENTJune 2024September 2025Allow1510NoNo
18733452PULL TAB WITH IMPROVED ACCESSIBILITY AND ASSOCIATED METHODS OF MANUFACTUREJune 2024August 2025Allow1510NoNo
18716491PULVERIZER WITH OUTPUT FLOW CONTROL AND METHODS FOR CONTROLLING OUTPUT FLOW IN A PULVERIZERJune 2024March 2025Allow901YesNo
18732905Floor Rolling ApparatusJune 2024July 2025Allow1430YesYes
18679380CAN SEAMER HAVING AN AUTOMATED SEALING ROLLERSMay 2024July 2025Allow1410NoNo
18677407CRIMPING PLIERS AND DIE HALF UNITMay 2024January 2026Allow2030YesNo
18681015DOUBLE-SIDED ULTRASONIC ROLLING COOPERATIVE STRENGTHENING SYSTEM AND CONTROL METHOD THEREOFMay 2024August 2024Allow700YesNo
18674471BATTERY PACK POWERED ROLL GROOVERMay 2024April 2025Allow1110YesNo
18673440CORRUGATED SKEW ROLLING PREPARATION METHOD OF MAGNESIUM ALLOY BAR WITH GRADIENT STRUCTUREMay 2024August 2024Allow310NoNo
18672402MEDICAL WASTE TREATMENT MACHINE WITH ANTI-CLOGGING FUNCTIONMay 2024July 2024Allow200NoNo
18673184AIRCRAFT LAVATORY TRASH COMPACTORMay 2024February 2025Allow900YesNo
18671487STRAPPING DEVICEMay 2024December 2024Allow700YesNo
18670272TOOL-INTEGRATED MEDICAL WASTE STERILIZATION PROCESSING BARRELMay 2024August 2024Allow200YesNo
18670396HIGH CRUSHING EFFICIENCY MEDICAL WASTE TREATMENT MACHINEMay 2024July 2024Allow200NoNo
18665097Hydraulic Tool with Indicator LightMay 2024April 2025Allow1110YesNo
18663951SYSTEMS, DEVICES AND METHODS FOR IMPROVED EFFICIENCY OF BALL MILLSMay 2024May 2025Allow1210NoNo
18707849IRREGULARLY-SHAPED DIEMay 2024March 2026Allow2200YesNo
18653153Method for Mitigating the Effects of Coil Collapse on Hot Strip Mill CoilsMay 2024July 2025Allow1510YesNo
18646766REFINERApril 2024July 2025Allow1510YesNo
18641808FLYWHEEL AND PADDLE ASSEMBLY FOR A CHIPPING OR SHREDDING APPARATUS, AND AN APPARATUS INCORPORATING SAMEApril 2024March 2025Allow1100YesNo
18641376RINGLIKE FABRIC BELT TRACTION CHAIN AND MANUFACTURING METHOD THEREOFApril 2024October 2024Allow510NoNo
18639270Bale PressApril 2024February 2025Allow1010YesNo
18638176MATERIAL FORMINGApril 2024February 2025Allow1000NoNo
18634638HINGE MORTISING TOOLApril 2024February 2025Allow1010NoNo
18700639Rotational ShredderApril 2024February 2026Allow2300NoNo
18632585METHOD AND DEVICE FOR CONFIGURING A PRODUCTION PROCESS OF A ROTARY PRESSApril 2024March 2026Allow2300YesNo
18700541HELICAL SCREW CONVEYOR UNIT, WORM SHAFT, WORM EXTRUDER, AND METHOD FOR PROVIDING A WORM SHAFTApril 2024February 2025Allow1010YesNo
18622974FORMING DEVICE AND FORMING METHOD FOR PART WITH REGULAR CROSS-SECTIONMarch 2024March 2025Allow1210NoNo
18621965SYSTEM AND METHOD FOR DUAL ROLLER CRUSHINGMarch 2024July 2025Allow1520YesNo
18615277EFFECTIVE METHOD FOR PRODUCING GLASS WASTE POWDER AS A PRECURSOR FOR THE PRODUCTION OF NANOSILICAMarch 2024October 2024Allow610NoNo
18613230Multi-Part Conduit Bender HandleMarch 2024November 2024Allow821YesNo
18612242TRASH COMPACTORMarch 2024April 2025Abandon1310NoNo
18613072CAN PRESSMarch 2024February 2026Allow2300YesNo
18609461SIDE RAIL REPAIR TOOLMarch 2024February 2026Allow2330NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3725.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
241
Examiner Affirmed
142
(58.9%)
Examiner Reversed
99
(41.1%)
Reversal Percentile
82.5%
Higher than average

What This Means

With a 41.1% 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
834
Allowed After Appeal Filing
312
(37.4%)
Not Allowed After Appeal Filing
522
(62.6%)
Filing Benefit Percentile
77.8%
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, 37.4% 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.

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 3725 - Prosecution Statistics Summary

Executive Summary

Art Unit 3725 is part of Group 3720 in Technology Center 3700. This art unit has examined 23,390 patent applications in our dataset, with an overall allowance rate of 72.6%. Applications typically reach final disposition in approximately 30 months.

Comparative Analysis

Art Unit 3725's allowance rate of 72.6% places it in the 38% 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 3725 receive an average of 1.55 office actions before reaching final disposition (in the 25% percentile). The median prosecution time is 30 months (in the 57% 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 fewer office actions than average, plan for relatively streamlined prosecution.
  • The median prosecution time is shorter 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.