H01H 50/543
Auxiliary switch inserting resistor during closure of contactor
Official title: {Auxiliary switch inserting resistor during closure of contactor}
H01H50/543 (Auxiliary switch inserting resistor during closure of contactor) appears on 34 US grants and 28 published applications in this corpus.
Search patents in H01H- Granted patents
- 34
- Published applications
- 28
- Assignees
- 19
- Inventors
- 66
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 3 |
| 2005 | 2 | 2 |
| 2006 | 4 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 3 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 0 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Relay28 Apr 2026US 12,614,687 B2BYD Company Limited
- Relay switch device integrated with pre-charge system18 Feb 2025US 12,230,465 B2LG Energy Solution, Ltd.
- Battery pack19 Oct 2021US 11,152,649 B2Samsung SDI.Co., Ltd.
- Electromagnetic switch device for starter23 Mar 2021US 10,954,909 B2Mitsubishi Electric Corporation
- Electromagnetic switch device for starter12 Jan 2021US 10,890,154 B2Mitsubishi Electric Corporation
- Electrical installation with means for extinguishing series electric arcs, in particular in a contactor16 Jul 2026US 2026/0200329 A1Safran Electrical & Power
- Electrical installation with means for switching series electric arcs9 Jul 2026US 2026/0192677 A1Safran Electrical & Power
- Contactor With Multiple Contacts for Conducting and Limiting a Current26 Jun 2025US 2025/0210284 A1Bayerische Motoren Werke Aktiengesellschaft
- Relay Switch Device Integrated With Pre-Charge System22 May 2025US 2025/0166952 A1LG Energy Solution, Ltd.
- Automatic Pre-Charge Device for High Power Electronic Circuit Contactor Control27 Mar 2025US 2025/0104950 A1
Most cited
By later US patents
- Magnet switch for starters22US 5,656,981 ANippondenso Co., Ltd. · 1997
- Electromagnetic starter switch21US 7,034,643 B1Mitsubishi Denki Kabushiki Kaisha · 2006
- Electromagnetic starter switch17US 7,038,564 B1Mitsubishi Denki Kabushiki Kaisha · 2006
- Magnet switch for starter15US 6,822,544 B2Denso Corporation · 2004
- Capacitor switching contactor13US 6,285,271 B1Siemens Aktiengesellschaft · 2001