Where it is examined
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.
Examiners
Who examines it, and how it fares with each
Bars show the share of decided applications that were allowed.
Who files it
Companies and institutions
Bars show the share of decided applications that were allowed.
Who represents them
Law firms and agents
Bars show the share of decided applications that were allowed.
Applications
Recent applications on this topic
| Application | Title | Filed | Status | Rejections | RCEs | To 1st action |
|---|---|---|---|---|---|---|
| 19621018 | GAS INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES | 2026-09-03 | Pending | 0 | 0 | n/a |
| 19610530 | SYSTEMS AND METHODS FOR IGNITION SYSTEMS AND SPARK PLUGS OF HYDROGEN COMBUSTION ENG… | 2026-07-29 | Pending | 0 | 0 | n/a |
| 19589681 | ENGINE BRAKING AND AIR BOOSTING SYSTEMS FOR HYDROGEN INTERNAL COMBUSTION ENGINES | 2026-05-21 | Pending | 0 | 0 | n/a |
| 15261442 | Method and apparatus for adaptive signal processing | 2012-01-10 | Allowed | 1 | 0 | 12.0 mo |
| 15332964 | Composition and method for controlled release | 2015-02-11 | Abandoned | 4 | 1 | 23.0 mo |
| 15837787 | Distributed ledger transaction verification | 2018-03-12 | Allowed | 3 | 0 | 20.0 mo |
| 15312755 | Thermal management of battery assemblies | 2021-04-13 | Pending | 2 | 1 | 17.0 mo |
| 15711653 | Machine learning model for anomaly detection | 2012-05-14 | Allowed | 1 | 0 | 14.0 mo |
| 15244152 | Wireless power transfer coil arrangement | 2015-06-15 | Abandoned | 4 | 1 | 25.0 mo |
| 15887612 | Catalyst for selective hydrogenation | 2018-07-16 | Allowed | 3 | 0 | 22.0 mo |