Two-stroke engine
US-11952937-B2 · Apr 9, 2024 · US
Engines with reciprocating-piston pumps; Engines with crankcase pumps
Engines with reciprocating-piston pumps; Engines with crankcase pumps · 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 | F02B33/02 |
| Official title | Engines with reciprocating-piston pumps; Engines with crankcase pumps |
| Display label | Engines with reciprocating-piston pumps; Engines with crankcase pumps |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Two-stroke engine
US-2023399973-A1 · Dec 14, 2023 · US
Engine assembly provided with an internal combustion engine cooled by a phase change material
US-11788456-B2 · Oct 17, 2023 · US
Elastomer series coupling damper for supercharger
US-11719284-B2 · Aug 8, 2023 · US
Engine assemely provided with an internal combustion engine cooled by a phase change material
US-2022412246-A1 · Dec 29, 2022 · US
Method of injecting ammonia fuel into a reciprocating engine
US-2022003155-A1 · Jan 6, 2022 · US
Elastomer series coupling damper for supercharger
US-2021381554-A1 · Dec 9, 2021 · US
Elastomer series coupling damper for supercharger
US-11098766-B2 · Aug 24, 2021 · US
Supercharger of an internal combustion engine with a diaphragm having an electrical actuator controlled resonant frequency
US-10704457-B2 · Jul 7, 2020 · US
Turbocharged engine coolant system
US-10526959-B2 · Jan 7, 2020 · US
Apparatus and method for engine control
US-10344688-B2 · Jul 9, 2019 · US
Pre-chamber ignition system
US-10337397-B2 · Jul 2, 2019 · US
Supercharger of an Internal Combustion Engine
US-2019048787-A1 · Feb 14, 2019 · US
Boosting control method of engine for CDA
US-10196968-B2 · Feb 5, 2019 · US
Pre-chamber ignition system
US-2018363539-A1 · Dec 20, 2018 · US
Elastomer series coupling damper for supercharger
US-2018347661-A1 · Dec 6, 2018 · US
Barrier layer for a turbocharger
US-10001021-B2 · Jun 19, 2018 · US
Reciprocating integral linear engine compressor
US-9957958-B2 · May 1, 2018 · US
Engine system
US-2018100428-A1 · Apr 12, 2018 · US
Engine structure for vehicle
US-2018073426-A1 · Mar 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B33/02?
- CPC F02B33/02 is the Cooperative Patent Classification code for “Engines with reciprocating-piston pumps; Engines with crankcase pumps.”
- How many patents are filed under CPC F02B33/02 (Engines with reciprocating-piston pumps; Engines with crankcase pumps)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F02B33/02 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2024 (latest complete years).