Member Profile Population
US-2025305444-A1 · Oct 2, 2025 · US
Ignition
Ignition · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B53/12 |
| Official title | Ignition |
| Display label | Ignition |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 13 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine with monolithic pilot chamber structure
US-2025101907-A1 · Mar 27, 2025 · US
Rotary engine with fluid injection cooling
US-12234765-B1 · Feb 25, 2025 · US
Internal combustion engine with monolithic pilot chamber structure
US-12163462-B1 · Dec 10, 2024 · US
Internal combustion engine with coated ignition system component(s)
US-12123343-B1 · Oct 22, 2024 · US
Internal combustion engine with ceramic pilot chamber component(s)
US-2024344700-A1 · Oct 17, 2024 · US
Internal combustion engine with ceramic pilot chamber component(s)
US-12117173-B1 · Oct 15, 2024 · US
Rotary pump
US-12065960-B2 · Aug 20, 2024 · US
Rotary Pump
US-2023383691-A1 · Nov 30, 2023 · US
Topological rotary engine
US-11713710-B2 · Aug 1, 2023 · US
Oblong-shaped rotor engine having high sealing performance
US-11668232-B2 · Jun 6, 2023 · US
Oblong-shaped rotor engine having high sealing performance
US-2023053217-A1 · Feb 16, 2023 · US
Topological rotary engine
US-2022307413-A1 · Sep 29, 2022 · US
Pivot valve for rotary internal combustion engine
US-11421584-B1 · Aug 23, 2022 · US
Rotary internal combustion engine
US-11143098-B1 · Oct 12, 2021 · US
Rotary piston engine
US-10982592-B2 · Apr 20, 2021 · US
Method of combusting fuel in a rotary internal combustion engine with pilot subchamber and ignition element
US-10968820-B2 · Apr 6, 2021 · US
Internal combustion engine with a rotating piston and uni-directional rolling bear
US-10890110-B2 · Jan 12, 2021 · US
Rotary engine with pilot subchambers
US-10801394-B2 · Oct 13, 2020 · US
Rotary internal combustion engine with pilot subchamber
US-10697365-B2 · Jun 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B53/12?
- CPC F02B53/12 is the Cooperative Patent Classification code for “Ignition.”
- How many patents are filed under CPC F02B53/12 (Ignition)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC F02B53/12 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).