F25B 2313/0272
Using bridge circuits of one-way valves
Official title: using bridge circuits of one-way valves
F25B2313/0272 (Using bridge circuits of one-way valves) appears on 214 US grants and 235 published applications in this corpus.
Search patents in F25B- Granted patents
- 214
- Published applications
- 235
- Assignees
- 38
- Inventors
- 302
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 3 | 4 |
| 2009 | 1 | 5 |
| 2010 | 4 | 11 |
| 2011 | 3 | 24 |
| 2012 | 4 | 29 |
| 2013 | 5 | 22 |
| 2014 | 12 | 17 |
| 2015 | 15 | 35 |
| 2016 | 29 | 12 |
| 2017 | 31 | 10 |
| 2018 | 17 | 7 |
| 2019 | 17 | 5 |
| 2020 | 11 | 5 |
| 2021 | 3 | 9 |
| 2022 | 9 | 11 |
| 2023 | 4 | 8 |
| 2024 | 8 | 7 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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