H01H 50/86
Means for introducing a predetermined time delay between the initiation of the
Official title: Means for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts (circuit arrangements for introducing delay H01H47/18; short-circuited conducting sleeves, bands, or discs H01H50/46)
H01H50/86 (Means for introducing a predetermined time delay between the initiation of the) appears on 22 US grants and 16 published applications in this corpus.
Search patents in H01H- Granted patents
- 22
- Published applications
- 16
- Assignees
- 17
- Inventors
- 36
- Latest grant
- 27 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 6 |
| 2017 | 5 | 1 |
| 2018 | 2 | 1 |
| 2019 | 3 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Relay with first and second electromagnets for placing and keeping a contact in a closed state27 Aug 2019US 10,395,870 B2Epcos AG
- Multipole electromechanical switching device9 Jul 2019US 10,347,440 B2Rockwell Automation Technologies, Inc.
- Relay circuit for contact preservation and method for controlling relay circuit22 Jan 2019US 10,186,390 B2OMRON Corporation
- Wear-balanced electromagnetic motor control switching27 Nov 2018US 10,141,143 B2Rockwell Automation Technologies, Inc.
- Relay27 Feb 2018US 9,905,386 B2Lsis Co., Ltd.
- Switching device with pyrotechnic actuation apparatus6 Mar 2025US 2025/0079102 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Multipole electromechanical switching device15 Feb 2018US 2018/0047527 A1Rockwell Automation Technologies, Inc.
- Relay3 Aug 2017US 2017/0221664 A1Lsis Co., Ltd.
- Multipole electromechanical switching device10 Nov 2016US 2016/0329171 A1Rockwell Automation Technologies, Inc.
- Relay unit and method for controlling relay circuit4 Aug 2016US 2016/0225563 A1OMRON Corporation
Most cited
By later US patents
- Light switch actuating device28US 3,985,982 A1976
- Lagged type solenoid10US 4,896,127 AKabushiki Kaisha Nippon Automation · 1990
- Wear-balanced electromagnetic motor control switching7US 10,141,143 B2Rockwell Automation Technologies, Inc. · 2018
- Terminal block time delay relay6US 7,109,833 B1Rockwell Automation Technologies, Inc. · 2006
- Pneumatic timer4US 5,343,444 AAgut, S.A. · 1994