H01H 47/00
Circuit arrangements not adapted to a particular application of the relay and
Official title: Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H47/00 (Circuit arrangements not adapted to a particular application of the relay and) appears on 2,199 US grants and 1,805 published applications in this corpus.
Search patents in H01H- Granted patents
- 2,199
- Published applications
- 1,805
- Assignees
- 929
- Inventors
- 4,112
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 12 | 0 |
| 1980 | 17 | 0 |
| 1981 | 21 | 0 |
| 1982 | 22 | 0 |
| 1983 | 19 | 0 |
| 1984 | 17 | 0 |
| 1985 | 25 | 0 |
| 1986 | 25 | 0 |
| 1987 | 28 | 0 |
| 1988 | 27 | 0 |
| 1989 | 32 | 0 |
| 1990 | 29 | 0 |
| 1991 | 23 | 0 |
| 1992 | 30 | 0 |
| 1993 | 32 | 0 |
| 1994 | 31 | 0 |
| 1995 | 30 | 0 |
| 1996 | 31 | 0 |
| 1997 | 22 | 0 |
| 1998 | 40 | 0 |
| 1999 | 39 | 0 |
| 2000 | 24 | 0 |
| 2001 | 35 | 7 |
| 2002 | 24 | 21 |
| 2003 | 32 | 32 |
| 2004 | 28 | 22 |
| 2005 | 21 | 36 |
| 2006 | 23 | 40 |
| 2007 | 29 | 30 |
| 2008 | 18 | 45 |
| 2009 | 32 | 38 |
| 2010 | 23 | 47 |
| 2011 | 35 | 43 |
| 2012 | 29 | 50 |
| 2013 | 42 | 82 |
| 2014 | 39 | 83 |
| 2015 | 74 | 124 |
| 2016 | 73 | 111 |
| 2017 | 105 | 107 |
| 2018 | 114 | 137 |
| 2019 | 153 | 109 |
| 2020 | 111 | 118 |
| 2021 | 132 | 111 |
| 2022 | 114 | 110 |
| 2023 | 92 | 88 |
| 2024 | 96 | 87 |
| 2025 | 75 | 67 |
| 2026 | 40 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 47/22Circuit arrangements not adapted to a particular application of the relay and996
- H01H 47/002Monitoring or fail-safe circuits855
- H01H 47/02Circuit arrangements not adapted to a particular application of the relay and463
- H01H 47/001Functional circuits154
- H01H 2047/008Circuit arrangements not adapted to a particular application of the relay andIndexing code57
- H01H 47/007Circuit arrangements not adapted to a particular application of the relay and32
- H01H 2047/009Circuit arrangements not adapted to a particular application of the relay andIndexing code30
Recent patents
- Relay circuit board29 Sep 2026US 12,749,639 B2Avary Holding (Shenzhen) Co., Limited.
- Motor control device29 Sep 2026US 12,749,996 B2Lutron Technology Company LLC
- Switch arrangement and method for operating a switch arrangement25 Aug 2026US 12,718,999 B2Siemens Aktiengesellschaft
- Method to detect back-feed and mis-wiring events by a UPS system18 Aug 2026US 12,712,380 B2Schneider Electric It Corporation
- Mini automatic transfer switch11 Aug 2026US 12,706,476 B2
- Ground Fault Circuit Interrupter with Solid State Relay-Controlled Electromagnetic Contactor and Self-Test End of Life (STEOL) Circuits for High-Current Applications24 Sep 2026US 2026/0291206 A1Tower Manufacturing Corporation
- Safety switch17 Sep 2026US 2026/0279712 A1Keyence Corporation
- Systems and methods for verifying protective relay output contact operation10 Sep 2026US 2026/0269160 A1Schweitzer Engineering Laboratories, Inc.
- Switching device27 Aug 2026US 2026/0253825 A1Ellenberger & Poensgen GmbH
- High-Power Solid-State Relay with Pin Diode20 Aug 2026US 2026/0245818 A1Southwest Research Institute
Most cited
By later US patents
- Method and apparatus for inductive load control with current simulation1,009US 5,038,247 ADelco Electronics Corporation · 1991
- Electromagnetic actuator889US 6,366,441 B1Honda Giken Kogyo Kabushiki Kaisha · 2002
- Time-delay outdoor lighting control systems307US 4,991,054 APacific Scientific Company · 1991
- Motion sensing system with adaptive timing for controlling lighting fixtures298US 5,946,209 AHubbell Incorporated · 1999
- Motion sensing system with adaptive timing for controlling lighting fixtures273US 6,151,529 AHubbell Incorporated · 2000