F01C 21/0881
The vanes consisting of two or more parts
Official title: {the vanes consisting of two or more parts}
F01C21/0881 (The vanes consisting of two or more parts) appears on 73 US grants and 80 published applications in this corpus.
Search patents in F01C- Granted patents
- 73
- Published applications
- 80
- Assignees
- 57
- Inventors
- 186
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 7 | 5 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 6 |
| 2010 | 3 | 8 |
| 2011 | 3 | 3 |
| 2012 | 2 | 6 |
| 2013 | 4 | 1 |
| 2014 | 4 | 3 |
| 2015 | 2 | 5 |
| 2016 | 1 | 1 |
| 2017 | 3 | 4 |
| 2018 | 5 | 9 |
| 2019 | 3 | 2 |
| 2020 | 3 | 7 |
| 2021 | 3 | 3 |
| 2022 | 5 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Split-type blade, fluid driving device and fluid driving proportional mixer19 May 2026US 12,629,648 B2Shanghai Vision Mechanical Joint Co., Ltd.
- Combined sealing piece, volumetric machine and wide fuel engine18 Nov 2025US 12,473,872 B2
- Compressor pump body, compressor, and air conditioner with a vane enlargement portion9 Aug 2022US 11,408,287 B2Gree Electric Appliances, Inc. of Zhuhai
- Displacement expanding apparatus and engine including the same10 May 2022US 11,326,453 B2
- Rotary device19 Apr 2022US 11,306,591 B2Vengeance Power Inc.
- Rotary Vane Internal Combustion Engine17 Sep 2026US 2026/0275869 A1
- Sinusoidal pump with blocking slide, and production method14 May 2026US 2026/0132788 A1Watson Marlow GmbH - MasoSine Division
- Vane for a vane cell machine, method for producing vanes, and vane cell machine5 Mar 2026US 2026/0063037 A1
- Pump assembly for gas turbine engines4 Dec 2025US 2025/0369371 A1Rtx Corporation
- Combined Sealing Piece, Volumetric Machine and Wide Fuel Engine19 Jun 2025US 2025/0198363 A1
Most cited
By later US patents
- Rotary device with vanes composed of vane segments25US 5,224,850 A1993
- Rotary vane engine24US 5,711,268 AC & M Technologies, Inc. · 1998
- Rotary fluid pump23US 4,575,324 ASine Pumps, N.V. · 1986
- Reversible variable displacement hydraulic pump and motor23US 6,537,047 B22003
- Rotary internal combustion engine17US 4,667,468 AHansen Engine Corporation · 1987