E05F 3/02
Closers or openers with braking devices: with pneumatic piston brakes
Official title: with pneumatic piston brakes (rotary type E05F3/14)
E05F3/02 (Closers or openers with braking devices: with pneumatic piston brakes) appears on 137 US grants and 94 published applications in this corpus.
Search patents in E05F- Granted patents
- 137
- Published applications
- 94
- Assignees
- 79
- Inventors
- 231
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 3 | 1 |
| 2014 | 4 | 3 |
| 2015 | 4 | 3 |
| 2016 | 5 | 8 |
| 2017 | 4 | 9 |
| 2018 | 9 | 9 |
| 2019 | 13 | 10 |
| 2020 | 4 | 2 |
| 2021 | 4 | 7 |
| 2022 | 3 | 5 |
| 2023 | 7 | 9 |
| 2024 | 6 | 3 |
| 2025 | 9 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Pneumatic door closer97US 5,471,708 AThe Stanley Works · 1995
- Gas spring with means for impeding piston movement away from one terminal position75US 4,166,612 AStabilus GmbH · 1979
- Door closing piston-cylinder assembly56US 5,157,806 A1992
- Molded door51US 5,634,508 A1997
- Door and window closer48US 4,003,102 A1977