H01H 47/18
For introducing delay in the operation of the relay
Official title: for introducing delay in the operation of the relay (short-circuited conducting sleeves, bands or discs H01H50/46)
H01H47/18 (For introducing delay in the operation of the relay) appears on 99 US grants and 71 published applications in this corpus.
Search patents in H01H- Granted patents
- 99
- Published applications
- 71
- Assignees
- 78
- Inventors
- 189
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 4 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 6 |
| 2018 | 7 | 8 |
| 2019 | 7 | 5 |
| 2020 | 3 | 5 |
| 2021 | 6 | 6 |
| 2022 | 8 | 5 |
| 2023 | 4 | 6 |
| 2024 | 7 | 5 |
| 2025 | 4 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control circuit for automatic deactivation of energy reducing maintenance switch31 Mar 2026US 12,592,352 B2Saudi Arabian Oil Company
- Switch control device and battery pack including the same24 Mar 2026US 12,587,186 B2Samsung SDI.Co., Ltd.
- Load switching system and circuit12 Aug 2025US 12,387,892 B2SiliconBrite Technologies, Inc.
- Relay control apparatus, battery pack and electric vehicle29 Jul 2025US 12,370,894 B2LG Energy Solution, Ltd.
- Zero crossing contactor and method of operating27 May 2025US 12,315,691 B2GE Aviation Systems LLC
- System and method for regulating a voltage signal14 May 2026US 2026/0135052 A1Resideo LLC
- System and method for regulating a voltage signal23 Apr 2026US 2026/0112559 A1Resideo LLC
- High Voltage Connector And Power Supply Apparatus9 Apr 2026US 2026/0100550 A1Vertiv Corporation
- Relay Control Apparatus, Battery Pack and Electric Vehicle8 Jan 2026US 2026/0008348 A1LG Energy Solution, Ltd.
- Low power relay driving device and method, and low power relay device23 Oct 2025US 2025/0330173 A1Hanwha Solutions Corporation
Most cited
By later US patents
- Electrical outlet unit58US 9,762,056 B12017
- Current-controlled on/off power line switching of electrical devices33US 4,675,537 AVoltec Corporation · 1987
- Auto shut-off glue gun33US 6,105,824 AStanley Fastening Systems, L.P. · 2000
- Electric circuit control device28US 4,636,652 ACompagnie Industrielle des Telecommunications Citalcatel · 1987
- Switching circuit28US 5,283,706 A1994