E05F 3/00
Closers or openers with braking devices
Official title: Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices (construction of non-pneumatic or non-liquid braking devices E05F5/00; friction devices in hinges E05D11/08)
E05F3/00 (Closers or openers with braking devices) appears on 1,419 US grants and 1,205 published applications in this corpus.
Search patents in E05F- Granted patents
- 1,419
- Published applications
- 1,205
- Assignees
- 580
- Inventors
- 1,973
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 20 | 0 |
| 1979 | 7 | 0 |
| 1980 | 13 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 14 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 13 | 0 |
| 1987 | 25 | 0 |
| 1988 | 15 | 0 |
| 1989 | 17 | 0 |
| 1990 | 16 | 0 |
| 1991 | 17 | 0 |
| 1992 | 22 | 0 |
| 1993 | 18 | 0 |
| 1994 | 11 | 0 |
| 1995 | 22 | 0 |
| 1996 | 21 | 0 |
| 1997 | 19 | 0 |
| 1998 | 19 | 0 |
| 1999 | 28 | 0 |
| 2000 | 19 | 0 |
| 2001 | 17 | 3 |
| 2002 | 21 | 17 |
| 2003 | 20 | 23 |
| 2004 | 10 | 31 |
| 2005 | 23 | 23 |
| 2006 | 14 | 23 |
| 2007 | 14 | 23 |
| 2008 | 12 | 36 |
| 2009 | 7 | 33 |
| 2010 | 20 | 31 |
| 2011 | 18 | 39 |
| 2012 | 17 | 32 |
| 2013 | 40 | 44 |
| 2014 | 50 | 42 |
| 2015 | 39 | 54 |
| 2016 | 46 | 56 |
| 2017 | 49 | 73 |
| 2018 | 50 | 84 |
| 2019 | 85 | 91 |
| 2020 | 76 | 80 |
| 2021 | 90 | 99 |
| 2022 | 56 | 70 |
| 2023 | 75 | 70 |
| 2024 | 65 | 53 |
| 2025 | 65 | 53 |
| 2026 | 38 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E05F 3/04Closers or openers with braking devices: with liquid piston brakes576
- E05F 3/22Additional arrangements for closers529
- E05F 3/20In hinges400
- E05F 3/14Closers or openers with braking devices: with fluid brakes of the rotary161
- E05F 3/02Closers or openers with braking devices: with pneumatic piston brakes137
- E05F 3/18Closers or openers with braking devices: with counteracting springs74
- E05F 3/16Closers or openers with braking devices: with friction brakes66
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Most cited
By later US patents