F01C 1/344
With vanes reciprocating with respect to the inner member
Official title: with vanes reciprocating with respect to the inner member
F01C1/344 (With vanes reciprocating with respect to the inner member) appears on 409 US grants and 281 published applications in this corpus.
Search patents in F01C- Granted patents
- 409
- Published applications
- 281
- Assignees
- 162
- Inventors
- 589
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 1 |
| 2002 | 8 | 3 |
| 2003 | 19 | 12 |
| 2004 | 9 | 17 |
| 2005 | 12 | 25 |
| 2006 | 16 | 15 |
| 2007 | 6 | 9 |
| 2008 | 8 | 13 |
| 2009 | 8 | 13 |
| 2010 | 9 | 14 |
| 2011 | 9 | 19 |
| 2012 | 7 | 7 |
| 2013 | 10 | 12 |
| 2014 | 17 | 15 |
| 2015 | 8 | 15 |
| 2016 | 9 | 12 |
| 2017 | 11 | 8 |
| 2018 | 12 | 15 |
| 2019 | 10 | 7 |
| 2020 | 12 | 11 |
| 2021 | 12 | 18 |
| 2022 | 13 | 3 |
| 2023 | 4 | 6 |
| 2024 | 7 | 4 |
| 2025 | 8 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01C 1/3441The inner and outer member being in contact along one line or196
- F01C 1/3446The inner and outer member being in contact along more than one112
- F01C 1/3448With axially movable vanes36
- F01C 1/352The vanes being pivoted on the axis of the outer member23
- F01C 1/348The vanes positively engaging, with circumferential play, an outer rotatable member14
Recent patents
- Coulisse—eccentric motor21 Jul 2026US 12,687,157 B2
- Split-type blade, fluid driving device and fluid driving proportional mixer19 May 2026US 12,629,648 B2Shanghai Vision Mechanical Joint Co., Ltd.
- Moving wall multiphase compressor-pump-expander system21 Apr 2026US 12,607,188 B1
- Apparatus for energy conversion31 Mar 2026US 12,590,550 B2G-En Pte Ltd
- Single sliding vane rotary displacement pump23 Dec 2025US 12,503,942 B1Ace Machine Design Inc.
- Rotor-stator assembly for a rotary engine, compressor or pump, a rotary engine and a lifting unit and device25 Jun 2026US 2026/0176971 A1
- Coulisse - eccentric motor2 Apr 2026US 2026/0092598 A1
- Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features4 Dec 2025US 2025/0369440 A1
- Apparatus and Method Utilizing Energy Recovery Devices, Including in Fluid Separation Processes23 Oct 2025US 2025/0327435 A1Amorphic Tech Ltd
- Combined Sealing Piece, Volumetric Machine and Wide Fuel Engine19 Jun 2025US 2025/0198363 A1
Most cited
By later US patents
- Rotary engine expansion chamber apparatus and method of operation therefor140US 8,523,547 B22013
- Sliding-blade rotary air-heat engine with isothermal compression of air99US 5,839,270 A1998
- Enhanced method of closed vessel combustion79US 6,283,087 B12001
- Method and apparatus for transferring heat energy from engine housing to expansion fluid employed in continuous combustion, pinned vane type, integrated rotary compressor-expander engine system67US 5,522,356 ASpread Spectrum · 1996
- High efficiency positive displacement thermodynamic system67US 8,424,284 B22013