F04C 2/321
With vanes hinged to the inner member and reciprocating with respect to
Official title: {with vanes hinged to the inner member and reciprocating with respect to the inner member}
F04C2/321 (With vanes hinged to the inner member and reciprocating with respect to) appears on 10 US grants and 15 published applications in this corpus.
Search patents in F04C- Granted patents
- 10
- Published applications
- 15
- Assignees
- 13
- Inventors
- 27
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 4 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Variable volume chamber device6 Sep 2022US 11,434,904 B2Quest Engines, LLC
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- Hermetic compressor15 Feb 2024US 2024/0052832 A1Fujitsu General Limited
- Vane rotary compressor4 May 2023US 2023/0137074 A1LG Electronics Inc.
- Gear pump for microvaporizer cartridge3 Nov 2022US 2022/0347401 A1Central Victory Limited Hk
- A rotary sliding vane machine with slide bearings and pivot bearings for the vanes26 Nov 2020US 2020/0370553 A1Tocircle Industries AS
- Variable volume chamber device15 Oct 2020US 2020/0325895 A1Quest Engines, LLC
Most cited
By later US patents