Auxiliary power unit with intercooler
US-2016376021-A1 · Dec 29, 2016 · US
of non-positive-displacement type
of non-positive-displacement type · 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 | F02B33/40 |
| Official title | of non-positive-displacement type |
| Display label | of non-positive-displacement type |
| Total patents | 741 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 34 |
| 2016 | 140 |
| 2017 | 104 |
| 2018 | 126 |
| 2019 | 98 |
| 2020 | 94 |
| 2021 | 46 |
| 2022 | 39 |
| 2023 | 29 |
| 2024 | 19 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seal structure and supercharger provided with the seal structure
US-2016356283-A1 · Dec 8, 2016 · US
Turbine Exhaust Housing
US-2016348524-A1 · Dec 1, 2016 · US
Assembly including a heat engine and an electric compressor configured to heat the air-fuel mixture
US-2016348620-A1 · Dec 1, 2016 · US
Electric supercharging device
US-9506399-B2 · Nov 29, 2016 · US
Apparatus for a charging system of an internal combustion engine
US-2016326998-A1 · Nov 10, 2016 · US
Electric supercharger, assembling method of the same, and internal combustion engine
US-9470140-B2 · Oct 18, 2016 · US
Turbocharger with Low Carbon Steel Shaft
US-2016265386-A1 · Sep 15, 2016 · US
Common shut-off valve for actuator vacuum at low engine power and fuel vapor purge vacuum at boost
US-2016201612-A1 · Jul 14, 2016 · US
Exhaust Outlet Elbow Bolt Pattern
US-2016178105-A1 · Jun 23, 2016 · US
Piloting of a bearing housing-supported adjustment ring
US-2016169094-A1 · Jun 16, 2016 · US
Powerplant and related control system and method
US-2016153349-A1 · Jun 2, 2016 · US
Method for cold-start pre-warming of a pressure-charged internal combustion engine and/or of an exhaust gas aftertreatment device
US-2016153332-A1 · Jun 2, 2016 · US
Supercharging apparatus for a combustion engine
US-2016156236-A1 · Jun 2, 2016 · US
Vehicle with integrated turbocharger oil control restriction
US-2016146076-A1 · May 26, 2016 · US
Systems and methods for a variable geometry turbine nozzle
US-2016146100-A1 · May 26, 2016 · US
Turbocharged engine and a method of making same
US-2016097345-A1 · Apr 7, 2016 · US
Turbocharger compressor noise reduction system and method
US-9303561-B2 · Apr 5, 2016 · US
Engine control device
US-2016084150-A1 · Mar 24, 2016 · US
Discrete time rate-based model predictive control method for internal combustion engine air path control
US-2016076473-A1 · Mar 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B33/40?
- CPC F02B33/40 is the Cooperative Patent Classification code for “of non-positive-displacement type.”
- How many patents are filed under CPC F02B33/40 (of non-positive-displacement type)?
- Our database includes 741 publications tagged with this CPC code.
- Is patent activity under CPC F02B33/40 growing?
- Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).