F04C 2/356
With vanes reciprocating with respect to the outer member
Official title: with vanes reciprocating with respect to the outer member
F04C2/356 (With vanes reciprocating with respect to the outer member) appears on 68 US grants and 56 published applications in this corpus.
Search patents in F04C- Granted patents
- 68
- Published applications
- 56
- Assignees
- 57
- Inventors
- 128
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 1 | 5 |
| 2015 | 5 | 8 |
| 2016 | 4 | 3 |
| 2017 | 5 | 5 |
| 2018 | 4 | 8 |
| 2019 | 2 | 1 |
| 2020 | 5 | 2 |
| 2021 | 5 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Electromotive oil pump comprising a non-return valve20 May 2025US 12,305,639 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Vacuum pump to generate a negative pressure6 May 2025US 12,292,050 B1Gebr. Becker GmbH
- Liquid containing gas bubbles production apparatus19 Nov 2024US 12,145,116 B2KYB Corporation
- Quick startup device for centrifugal pump17 Jan 2023US 11,555,497 B2Jiangsu University
- Sinusoidal pump with blocking slide, and production method14 May 2026US 2026/0132788 A1Watson Marlow GmbH - MasoSine Division
- Sliding-vane pump2 May 2024US 2024/0141893 A1Valeo Powertrain GmbH
- Material Mover18 Jan 2024US 2024/0018963 A1Paddlemover LLC
- Use of a composition as refrigerant in compressor, compressor, and refrigeration cycle apparatus28 Dec 2023US 2023/0416580 A1Daikin Industries, Ltd.
- High pressure variable vane pump with vane pins8 Jun 2023US 2023/0175504 A1Stackpole International Engineered Products, Ltd.
Most cited
By later US patents