F04C 18/348
The vanes positively engaging, with circumferential play, an outer rotatable member
Official title: the vanes positively engaging, with circumferential play, an outer rotatable member
F04C18/348 (The vanes positively engaging, with circumferential play, an outer rotatable member) appears on 30 US grants and 15 published applications in this corpus.
Search patents in F04C- Granted patents
- 30
- Published applications
- 15
- Assignees
- 15
- Inventors
- 43
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 5 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Vane for a vane cell pump and vane cell pump2 Oct 2018US 10,087,930 B2Joma-Polytec GmbH
- Compressor and freezer11 Jul 2024US 2024/0229795 A1Daikin Industries, Ltd.
- Compressor unit and refrigeration apparatus11 Jul 2024US 2024/0230175 A1Daikin Industries, Ltd.
- Vane motor15 Sep 2022US 2022/0290566 A1Exdl Co., Ltd.
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Most cited
By later US patents
- Rotary compressor17US 4,479,763 ANippon Piston Ring Co., Ltd. · 1984
- Two rotor sliding vane compressor16US 5,567,139 A1996
- Two rotor sliding vane compressor15US 5,681,153 ACarrier Corporation · 1997
- Compressor having first and second rotary member arrangement using a vane14US 8,894,388 B2LG Electronics Inc. · 2014
- Vane type rotary compressor having a wear resistant resin coating13US 4,509,906 AToyo Kogo Co., Ltd. · 1985