Five cylinder plunger pump
US-2021087943-A1 · Mar 25, 2021 · US
Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby · 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 | F01D15/00 |
| Official title | Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby |
| Display label | Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 5 |
| 2022 | 15 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Turbine fracturing semi-trailer
US-2021086851-A1 · Mar 25, 2021 · US
Segmented electrical machine
US-10892664-B2 · Jan 12, 2021 · US
Turbine rotor with low over-speed requirements
US-10808624-B2 · Oct 20, 2020 · US
Turbomachine and method of operating a turbomachine
US-10808725-B2 · Oct 20, 2020 · US
Gas expansion system
US-2020292211-A1 · Sep 17, 2020 · US
Property assessment system with buoyancy adjust device
US-10769684-B1 · Sep 8, 2020 · US
Electric media gap machine for a compressor and/or turbine, compressor and/or turbine
US-2020248616-A1 · Aug 6, 2020 · US
Combined system for producing steel and method for operating the combined system
US-10697031-B2 · Jun 30, 2020 · US
Steam turbine system and combined cycle plant
US-2020165971-A1 · May 28, 2020 · US
Energy recovering flow control valves
US-10648588-B2 · May 12, 2020 · US
Boiler using liquid metal as working medium and power generation system comprising same
US-10605448-B2 · Mar 31, 2020 · US
Rapid-response compressed air energy storage system and using method thereof
US-2020032802-A1 · Jan 30, 2020 · US
Centerline-mounted hydraulic pitch change mechanism actuator
US-10533436-B2 · Jan 14, 2020 · US
Counter-rotating electric generator in turbine engine
US-10513986-B2 · Dec 24, 2019 · US
Low speed spool generator transmission
US-10495186-B2 · Dec 3, 2019 · US
Hans bell housing for inflating and deflating a balloon envelope
US-10435132-B1 · Oct 8, 2019 · US
Cryogenic cooling system for an aircraft
US-2019291877-A1 · Sep 26, 2019 · US
Chilled working fluid generation and separation for an aircraft
US-2019292982-A1 · Sep 26, 2019 · US
Propulsion system cooling control
US-2019293346-A1 · Sep 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D15/00?
- CPC F01D15/00 is the Cooperative Patent Classification code for “Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby.”
- How many patents are filed under CPC F01D15/00 (Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby)?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC F01D15/00 growing?
- Publication counts under this code: 10 in 2024 vs 11 in 2025 (latest complete years).