F15B 11/068
With valves for gradually putting pneumatic systems under pressure
Official title: with valves for gradually putting pneumatic systems under pressure
F15B11/068 (With valves for gradually putting pneumatic systems under pressure) appears on 28 US grants and 18 published applications in this corpus.
Search patents in F15B- Granted patents
- 28
- Published applications
- 18
- Assignees
- 22
- Inventors
- 55
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for de-icing a communication tower8 Sep 2026US 12,730,415 B2SMR Technologies, Inc.
- Residual pressure exhaust air circuit and residual pressure exhaust valve10 Feb 2026US 12,546,413 B2SMC Corporation
- Safety valve2 Sep 2025US 12,404,881 B2Aventics GmbH
- Lifting mechanism27 May 2025US 12,312,222 B2Danfoss Power Solutions Inc.
- Air control circuit equipped with safety feature29 Oct 2024US 12,129,878 B2SMC Corporation
- System and method for de-icing a communication tower24 Apr 2025US 2025/0130535 A1SMR Technologies, Inc.
- Safety Valve5 Dec 2024US 2024/0401615 A1Aventics GmbH
- Compressed Air Supply Device6 Jun 2024US 2024/0183365 A1Koganei Corporation
- Residual pressure exhaust air circuit and residual pressure exhaust valve8 Feb 2024US 2024/0044421 A1SMC Corporation
- Air control circuit equipped with safety feature28 Dec 2023US 2023/0417262 A1SMC Corporation
Most cited
By later US patents
- Safety valve for fluid systems27US 4,075,928 ARoss Operating Valve Company · 1978
- Starting valve19US 5,918,623 APress Controls AG Rumlang · 1999
- Safety valve for fluid systems18US 5,067,519 ARoss Operating Valve Company · 1991
- Safety lock-out valve16US 4,000,684 ANumatics, Incorporated · 1977
- Modular system of distribution14US 4,640,311 AClimax France S.A. · 1987