H01H 1/38
Plug-and-socket contacts
H01H1/38 (Plug-and-socket contacts) appears on 209 US grants and 164 published applications in this corpus.
Search patents in H01H- Granted patents
- 209
- Published applications
- 164
- Assignees
- 112
- Inventors
- 487
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 3 | 8 |
| 2007 | 3 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 5 |
| 2010 | 5 | 4 |
| 2011 | 4 | 6 |
| 2012 | 8 | 8 |
| 2013 | 3 | 7 |
| 2014 | 10 | 10 |
| 2015 | 3 | 12 |
| 2016 | 7 | 10 |
| 2017 | 14 | 8 |
| 2018 | 9 | 6 |
| 2019 | 8 | 10 |
| 2020 | 12 | 17 |
| 2021 | 8 | 9 |
| 2022 | 11 | 14 |
| 2023 | 9 | 6 |
| 2024 | 9 | 8 |
| 2025 | 1 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vacuum circuit breaker5 Aug 2025US 12,381,053 B2Ls Electric Co., Ltd.
- Separable electrical connector with a switching apparatus26 Nov 2024US 12,154,736 B2Eaton Intelligent Power Limited
- Garage door threshold warmer15 Oct 2024US 12,120,784 B1
- Medium-voltage switchgear system having single phase breaker control23 Jul 2024US 12,046,431 B2Jst Power Equipment, Inc.
- Enclosure and optimizations9 Jul 2024US 12,034,241 B2Schneider Electric USA, Inc.
- Earth switching device17 Sep 2026US 2026/0279704 A1Hyosung Heavy Industries Corporation
- Electrical contact conductor25 Jun 2026US 2026/0182354 A1Zhejiang Chint Electrics Co., Ltd.
- High voltage circuit-breaker30 Apr 2026US 2026/0120987 A1Hitachi Energy Ltd
- Circuit breaker23 Apr 2026US 2026/0112557 A1GE Infrastructure Technology LLC
- Hv/mv switch contacts arrangement24 Apr 2025US 2025/0132105 A1
Most cited
By later US patents
- Separable electrodes with electric arc quenching means56US 5,213,517 AG & H Technology, Inc. · 1993
- Female contact, in particular for a high tension section switch47US 5,468,164 AGEC Alsthom T & D SA · 1995
- Circuit breaker contact assembly45US 5,025,121 ASiemens Energy & Automation, Inc. · 1991
- Eddy current inductive drive electromechanical liner actuator and switching arrangement45US 7,777,600 B2PowerPath Technologies LLC · 2010
- Electromechanical actuator40US 8,134,438 B2PowerPath Technologies LLC · 2012