Optimized energy recovery device
US-2025257730-A1 · Aug 14, 2025 · US
for driving pumps or compressors
for driving pumps or compressors · 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 | F01C13/04 |
| Official title | for driving pumps or compressors |
| Display label | for driving pumps or compressors |
| Total patents | 35 |
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 | 7 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 1 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor and refrigeration cycle device
US-12117214-B2 · Oct 15, 2024 · US
Gas delivery augmenter with pump mechanism
US-11505327-B2 · Nov 22, 2022 · US
Gas delivery augmenter with pump mechanism
US-2021284347-A1 · Sep 16, 2021 · US
Compressor and refrigeration cycle device
US-2021140689-A1 · May 13, 2021 · US
Compressor having waste heat recovery with gas recycler
US-10829370-B2 · Nov 10, 2020 · US
Rotary engine with oil pump
US-10774646-B2 · Sep 15, 2020 · US
Hydraulic piston with a cooling and lubricating gasket valve
US-10753239-B2 · Aug 25, 2020 · US
Pressure intensifier, arrangement in an aircraft or spacecraft comprising a device driveable by a driving pressure difference, aircraft or spacecraft, and method
US-2020166027-A1 · May 28, 2020 · US
Engine assembly with multiple rotary engine stacks
US-2020102884-A1 · Apr 2, 2020 · US
Compound engine assembly with cantilevered compressor and turbine
US-10598086-B2 · Mar 24, 2020 · US
Auxiliary power unit assembly with removable inlet filter
US-10513344-B2 · Dec 24, 2019 · US
Air compressor having supplemental power source
US-10161271-B2 · Dec 25, 2018 · US
Piston hydraulique a valve porte-joint de refroidissement et de lubrification
US-2018347417-A1 · Dec 6, 2018 · US
Rotary engine
US-2018283175-A1 · Oct 4, 2018 · US
Compound engine assembly with cantilevered compressor and turbine
US-2018179948-A1 · Jun 28, 2018 · US
Auxiliary power unit assembly with removable inlet filter
US-2018105283-A1 · Apr 19, 2018 · US
Compound engine assembly with cantilevered compressor and turbine
US-9869240-B2 · Jan 16, 2018 · US
Scroll Fluid Machine
US-2017268340-A1 · Sep 21, 2017 · US
Compressor having waste heat recovery with gas recycler
US-2017211891-A1 · Jul 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01C13/04?
- CPC F01C13/04 is the Cooperative Patent Classification code for “for driving pumps or compressors.”
- How many patents are filed under CPC F01C13/04 (for driving pumps or compressors)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC F01C13/04 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).