Scroll compressor
US-2023358232-A1 · Nov 9, 2023 · US
Different wall heights
Different wall heights · 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 | F04C18/0276 |
| Official title | {Different wall heights} |
| Display label | Different wall heights |
| Total patents | 68 |
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 | 2 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 12 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Scroll compressor
US-2023132581-A1 · May 4, 2023 · US
Scroll compressor
US-2023101084-A1 · Mar 30, 2023 · US
Scroll compressor
US-2022299028-A1 · Sep 22, 2022 · US
Scroll compressor including end-plate side stepped portions of each of the scrolls corresponding to wall-portion side stepped portions of each of the scrolls
US-2022220960-A1 · Jul 14, 2022 · US
Scroll compressor including end-plate side stepped portions of each of the scrolls corresponding to wall-portion side stepped portions of each of the scrolls
US-11326602-B2 · May 10, 2022 · US
Scroll fluid machine and scroll member used therein
US-11326601-B2 · May 10, 2022 · US
Tip seal and scroll fluid machine using same
US-11236749-B2 · Feb 1, 2022 · US
Scroll fluid machine with decreasing inter-facing surface and arc shape end plate central portion
US-11204034-B2 · Dec 21, 2021 · US
Scroll compressor including fixed and orbiting scrolls having different heights and surface hardenings
US-11092155-B2 · Aug 17, 2021 · US
Scroll fluid machine having a different mesh clearance between the fixed and orbiting scroll wraps
US-11078906-B2 · Aug 3, 2021 · US
Scroll compressor with non-uniform gap
US-11047384-B2 · Jun 29, 2021 · US
Tip seal and scroll fluid machine using same
US-2021156382-A1 · May 27, 2021 · US
Scroll fluid machine and tip seal
US-11015601-B2 · May 25, 2021 · US
Scroll compressor including a fixed and orbiting scroll
US-2021148361-A1 · May 20, 2021 · US
Scroll fluid machine including first and second scroll members
US-11002274-B2 · May 11, 2021 · US
Scroll fluid machine and method for producing same
US-10975866-B2 · Apr 13, 2021 · US
Scroll fluid machine, and method for processing scroll member
US-10968908-B2 · Apr 6, 2021 · US
Scroll fluid machine and scroll member used therein
US-2021071662-A1 · Mar 11, 2021 · US
Scroll compressor with different sized gaps formed between inner and outer peripheral surfaces of scroll laps
US-10920775-B2 · Feb 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C18/0276?
- CPC F04C18/0276 is the Cooperative Patent Classification code for “Different wall heights.”
- How many patents are filed under CPC F04C18/0276 (Different wall heights)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC F04C18/0276 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).