Screw compressor for HVAC
US-10876768-B2 · Dec 29, 2020 · US
Driving elements, brakes, couplings, transmissions specially adapted for pumps (brakes, couplings, transmissions per se F16, B60)
Driving elements, brakes, couplings, transmissions specially adapted for pumps (brakes, couplings, transmissions per se F16, B60) · 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 | F04C29/0042 |
| Official title | {Driving elements, brakes, couplings, transmissions specially adapted for pumps (brakes, couplings, transmissions per se F16, B60)} |
| Display label | Driving elements, brakes, couplings, transmissions specially adapted for pumps (brakes, couplings, transmissions per se F16, B60) |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 17 |
| 2019 | 10 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 15 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Co-rotating compressor with multiple compression mechanisms
US-10718330-B2 · Jul 21, 2020 · US
Screw compressor
US-2020200171-A1 · Jun 25, 2020 · US
Transmission and compressor or vacuum pump provided with such a transmission
US-2020116233-A1 · Apr 16, 2020 · US
Mechanical automotive vacuum pump with cantilevered rotor
US-10619638-B2 · Apr 14, 2020 · US
Compressor
US-2020088180-A1 · Mar 19, 2020 · US
Compressor or vacuum pump provided with a transmission
US-2020063738-A1 · Feb 27, 2020 · US
Scroll compressor
US-2019360486-A1 · Nov 28, 2019 · US
Co-rotating compressor with multiple compression mechanisms and system having same
US-10465954-B2 · Nov 5, 2019 · US
Supercharger
US-10436104-B2 · Oct 8, 2019 · US
Screw Compressor System for a Utility Vehicle
US-2019211825-A1 · Jul 11, 2019 · US
Motor-operated compressor
US-2019203709-A1 · Jul 4, 2019 · US
Co-Rotating Compressor With Multiple Compression Mechanisms
US-2019186488-A1 · Jun 20, 2019 · US
Compressor Having Counterweight
US-2019154037-A1 · May 23, 2019 · US
Two-cylinder hermetic compressor
US-10273957-B2 · Apr 30, 2019 · US
Compressor having external shell with vibration isolation and pressure balance
US-10240603-B2 · Mar 26, 2019 · US
Co-rotating compressor with multiple compression mechanisms
US-10215174-B2 · Feb 26, 2019 · US
Two-stage rotary compressor
US-2018372102-A1 · Dec 27, 2018 · US
Screw compressor
US-2018363650-A1 · Dec 20, 2018 · US
Screw compressor
US-2018355867-A1 · Dec 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C29/0042?
- CPC F04C29/0042 is the Cooperative Patent Classification code for “Driving elements, brakes, couplings, transmissions specially adapted for pumps (brakes, couplings, transmissions per se F16, B60).”
- How many patents are filed under CPC F04C29/0042 (Driving elements, brakes, couplings, transmissions specially adapted for pumps (brakes, couplings, transmissions per se F16, B60))?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC F04C29/0042 growing?
- Publication counts under this code: 15 in 2024 vs 12 in 2025 (latest complete years).