E05F 15/74
Using photoelectric cells
Official title: using photoelectric cells
E05F15/74 (Using photoelectric cells) appears on 118 US grants and 147 published applications in this corpus.
Search patents in E05F- Granted patents
- 118
- Published applications
- 147
- Assignees
- 78
- Inventors
- 281
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 4 |
| 2003 | 3 | 4 |
| 2004 | 5 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 4 | 5 |
| 2009 | 1 | 3 |
| 2010 | 2 | 6 |
| 2011 | 2 | 7 |
| 2012 | 4 | 2 |
| 2013 | 6 | 8 |
| 2014 | 6 | 7 |
| 2015 | 5 | 11 |
| 2016 | 5 | 5 |
| 2017 | 4 | 12 |
| 2018 | 6 | 11 |
| 2019 | 8 | 3 |
| 2020 | 11 | 6 |
| 2021 | 3 | 9 |
| 2022 | 8 | 8 |
| 2023 | 4 | 7 |
| 2024 | 7 | 8 |
| 2025 | 7 | 5 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for safety management in roll-up doors18 Aug 2026US 12,709,936 B2Rytec Corporation
- Moveable infrared curtain14 Jul 2026US 12,680,370 B2Bea SA
- Door opening/closing mechanism in lavatory unit for aircraft27 Jan 2026US 12,534,204 B2The Yokohama Rubber Co., Ltd.
- System and method for safety management in roll-up doors2 Sep 2025US 12,404,714 B2Rytec Corporation
- Methods and apparatus to monitor and/or adjust operations of doors15 Jul 2025US 12,359,493 B2Rite-Hite Holding Corporation
- Method for detecting an obstruction of an automatic door system as well as a detection unit18 Jun 2026US 2026/0168304 A1Assa Abloy Entrance System AB
- Door opening/closing mechanism for aircraft lavatory unit18 Jun 2026US 2026/0168308 A1The Yokohama Rubber Co., Ltd.
- Methods and apparatus to monitor and/or adjust operations of doors19 Feb 2026US 2026/0049516 A1Rite-Hite Holding Corporation
- Methods and systems for infrared synchronization12 Jun 2025US 2025/0188789 A1Bea SA
- Infrared curtain systems and methods22 May 2025US 2025/0163749 A1Bea SA
Most cited
By later US patents
- Lid opener mechanism73US 6,519,130 B12003
- Door sensor and door equipped with such door sensor57US 6,970,085 B2Optex Co., Ltd. · 2005
- Automated garage door closer52US 6,563,278 B2Noostuff, Inc. · 2003
- Electrical link and sensor system for automatic sliding doors50US 5,581,944 AThe Stanley Works · 1996
- Automatic gate46US 4,472,908 ARudolf Wanzl KG · 1984