Scroll compressor provided with a stator winding baffle
US-2019383286-A1 · Dec 19, 2019 · US
Mechanical Engineering
Mechanical Engineering · 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 | F04C29/045 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 216 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 19 |
| 2019 | 15 |
| 2020 | 26 |
| 2021 | 23 |
| 2022 | 16 |
| 2023 | 20 |
| 2024 | 25 |
| 2025 | 35 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric pump
US-2019353168-A1 · Nov 21, 2019 · US
Method for cooling a compressor or vacuum pump and a compressor or vacuum pump applying such a method
US-2019331116-A1 · Oct 31, 2019 · US
Electric compressor
US-2019301459-A1 · Oct 3, 2019 · US
System for a Utility Vehicle Comprising a Screw Compressor and an Electric Motor With a Common Cooling System
US-2019211827-A1 · Jul 11, 2019 · US
Screw compressor
US-2019186490-A1 · Jun 20, 2019 · US
Rotor, rotary electric machine, and compressor
US-2019190337-A1 · Jun 20, 2019 · US
Passage arrangement for cooling, lubricating and reducing the size of rotary machines
US-10309398-B1 · Jun 4, 2019 · US
Compressor driven by a motor based on a temperature of a drive circuit
US-10273958-B2 · Apr 30, 2019 · US
Electric compressor
US-10260503-B2 · Apr 16, 2019 · US
Screw compressor
US-2019063438-A1 · Feb 28, 2019 · US
Screw compressor
US-10197058-B2 · Feb 5, 2019 · US
Scroll compressor provided with a fluid deflecting and dividing device
US-2018355869-A1 · Dec 13, 2018 · US
Compressor device as well as the use of such a compressor device
US-10151313-B2 · Dec 11, 2018 · US
Scroll compressor
US-2018328362-A1 · Nov 15, 2018 · US
Scroll compressor
US-2018328364-A1 · Nov 15, 2018 · US
Thermistor flow path
US-2018320778-A1 · Nov 8, 2018 · US
Oil circuit, oil-free compressor provided with such oil circuit and a method to control lubrication and/or cooling of such oil-free compressor via such oil circuit
US-2018306189-A1 · Oct 25, 2018 · US
Housing for scroll compressor and scroll compressor
US-10107288-B2 · Oct 23, 2018 · US
Rotary compressor and refrigerating cycle device
US-2018238596-A1 · Aug 23, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C29/045?
- CPC F04C29/045 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04C29/045 (Mechanical Engineering)?
- Our database includes 216 publications tagged with this CPC code.
- Is patent activity under CPC F04C29/045 growing?
- Publication counts under this code: 25 in 2024 vs 35 in 2025 (latest complete years).