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Topic

Combustion engines Steady

1,015 applications whose title mentions it. Its share of new filings over the last two years is -19% below the four years before.

Allowance rate
72%
−3 pts vs the USPTO 975 decided
Months to first action
18.4 mo
−0.2 vs the USPTO
Applications
1,015.0
in the record
Allowed
703.0
272 abandoned

Filings by year

How often the topic was filed

The most recent years are still filling in.

Applications

Recent applications on this topic

ApplicationTitleFiledStatusRejectionsRCEsTo 1st action
19621018GAS INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES2026-09-03Pending00n/a
19610530SYSTEMS AND METHODS FOR IGNITION SYSTEMS AND SPARK PLUGS OF HYDROGEN COMBUSTION ENG…2026-07-29Pending00n/a
19589681ENGINE BRAKING AND AIR BOOSTING SYSTEMS FOR HYDROGEN INTERNAL COMBUSTION ENGINES2026-05-21Pending00n/a
15261442Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15332964Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15837787Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15312755Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15711653Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15244152Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15887612Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
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