F01C 19/10
Sealings for working fluids between radially and axially movable parts
F01C19/10 (Sealings for working fluids between radially and axially movable parts) appears on 45 US grants and 34 published applications in this corpus.
Search patents in F01C- Granted patents
- 45
- Published applications
- 34
- Assignees
- 31
- Inventors
- 102
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 4 |
| 2014 | 0 | 3 |
| 2015 | 2 | 2 |
| 2016 | 3 | 0 |
| 2017 | 4 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotary combustion engine block sealing18 Mar 2025US 12,252,990 B2
- Seal assembly for a rotary engine housing18 Mar 2025US 12,252,991 B2Pratt & Whitney Canada Corp.
- Sealing system for a rotary-piston compressor21 May 2024US 11,988,207 B2Rpc Engineering Limited Liability Company
- Fluid transfer apparatus with a plurality of rotor housings arranged at different angularity with the neighboring rotor housings9 Jan 2024US 11,867,179 B2Korea Atomic Energy Research Institute
- Rotary engine with housing having silicon carbide plate28 Mar 2023US 11,613,995 B2Pratt & Whitney Canada Corp.
- Rotary Engine Housing16 Jul 2026US 2026/0201831 A1Pratt & Whitney Canada Corp.
- Seal assembly for a rotary engine housing16 Jan 2025US 2025/0020061 A1Pratt & Whitney Canada Corp.
- Sealing arrangement for a device for driving a compressor1 Aug 2024US 2024/0254990 A1Hanon Systems
- Rotary Combustion Engine Block Sealing10 Aug 2023US 2023/0250722 A1
- Sealing system for a rotary-piston compressor5 May 2022US 2022/0136505 A1Rpc Engineering Limited Liability Company
Most cited
By later US patents
- Rotary actuator such as a rotary actuator for a motor vehicle suspension22US 5,632,502 AFichtel & Sachs AG · 1997
- Circular rotor side seal for rotary machines20US 3,930,767 AGeneral Motors Corporation · 1976
- Multilobe rotary motion asymetric compression/expansion engine20US 7,578,278 B2Gyroton Corporation · 2009
- Rotary internal combustion engine14US 6,814,045 B22004
- Corner seal means for rotary piston type engines12US 3,961,871 AToyo Kogyo Co., Ltd. · 1976