E05F 3/102
With rack-and-pinion transmission between driving shaft and piston within the closer housing
Official title: {with rack-and-pinion transmission between driving shaft and piston within the closer housing}
E05F3/102 (With rack-and-pinion transmission between driving shaft and piston within the closer housing) appears on 148 US grants and 83 published applications in this corpus.
Search patents in E05F- Granted patents
- 148
- Published applications
- 83
- Assignees
- 66
- Inventors
- 219
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 9 |
| 2005 | 4 | 2 |
| 2006 | 4 | 3 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 4 | 4 |
| 2011 | 3 | 3 |
| 2012 | 1 | 0 |
| 2013 | 4 | 2 |
| 2014 | 1 | 2 |
| 2015 | 4 | 5 |
| 2016 | 4 | 5 |
| 2017 | 2 | 3 |
| 2018 | 4 | 5 |
| 2019 | 7 | 5 |
| 2020 | 6 | 5 |
| 2021 | 9 | 4 |
| 2022 | 3 | 2 |
| 2023 | 4 | 5 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Door closer casings15 Apr 2025US 12,276,152 B2Schlage Lock Company LLC
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- Door operator calibration14 Aug 2025US 2025/0257601 A1Schlage Lock Company LLC
- Adjustment screw indicator mechanism31 Jul 2025US 2025/0243700 A1Schlage Lock Company LLC
- Hydraulic hinge for the controlled rotary movement of a door, a leaf or the like20 Jun 2024US 2024/0200383 A1In & Tec S. R. L.
Most cited
By later US patents
- Intelligent door restraint99US 8,225,458 B12012
- Method for controlling the operational modes of a door in conjunction with a mechanical door control mechanism86US 5,913,763 ADorma Door Controls, Inc. · 1999
- Automatic door operator for swing doors81US 4,501,090 AChikura Kogyo Kabushiki Kaisha · 1985
- Intelligent door restraint75US 9,121,217 B12015
- Door closer69US 4,660,250 ADorma-Baubeschlag GmbH & Co. KG · 1987