H01H 1/20
Bridging contacts
Official title: Bridging contacts {(for circuit breakers H01H73/045)}
H01H1/20 (Bridging contacts) appears on 881 US grants and 762 published applications in this corpus.
Search patents in H01H- Granted patents
- 881
- Published applications
- 762
- Assignees
- 346
- Inventors
- 1,582
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 13 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 21 | 0 |
| 2001 | 36 | 8 |
| 2002 | 35 | 31 |
| 2003 | 32 | 25 |
| 2004 | 31 | 24 |
| 2005 | 23 | 25 |
| 2006 | 20 | 22 |
| 2007 | 12 | 17 |
| 2008 | 12 | 25 |
| 2009 | 14 | 32 |
| 2010 | 22 | 13 |
| 2011 | 18 | 19 |
| 2012 | 22 | 28 |
| 2013 | 25 | 49 |
| 2014 | 26 | 35 |
| 2015 | 41 | 32 |
| 2016 | 40 | 34 |
| 2017 | 41 | 31 |
| 2018 | 37 | 29 |
| 2019 | 31 | 35 |
| 2020 | 25 | 34 |
| 2021 | 27 | 36 |
| 2022 | 31 | 39 |
| 2023 | 32 | 32 |
| 2024 | 26 | 41 |
| 2025 | 23 | 33 |
| 2026 | 21 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 1/2041Rotating bridge290
- H01H 1/2025Comprising two-parallel bridges61
- H01H 1/2008Facilitate mounting or replacing contact bridge and pressure spring on carrier55
- H01H 1/2083Bridging contact surfaces directed at an oblique angle with respect to the51
- H01H 1/2066Fork-shaped bridge35
- H01H 1/2016In which the two contact pairs commutate at substantially different moments29
- H01H 1/2075T-shaped bridge23
- H01H 2001/2091Having two pivotally and electrically connected halve bridgesIndexing code5
Recent patents
- Electrical contact system with liquid metal layer and diffusion barrier29 Sep 2026US 12,749,631 B2Eaton Intelligent Power Limited
- Switch with a movable contact and an elastic assembly8 Sep 2026US 12,731,739 B2Eaton Intelligent Power Limited
- Switching components with redundant contact pads18 Aug 2026US 12,712,135 B2Honeywell International Inc.
- Switching device and method for operating a switching device11 Aug 2026US 12,706,255 B2Eaton Intelligent Power Limited
- Switch disconnector with an arc extinguishing shield plate11 Aug 2026US 12,706,256 B2Eaton Intelligent Power Limited
- Switch pole for electrical systems8 Oct 2026US 2026/0311938 A1
- Power contactor having an electric arc clarification screen, and aircraft comprising such a power contactor13 Aug 2026US 2026/0237579 A1Safran Electrical & Power
- Protection device, protection circuit and battery system13 Aug 2026US 2026/0237809 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Switching device6 Aug 2026US 2026/0229436 A1Ellenberger & Poensgen GmbH
- Switching device30 Jul 2026US 2026/0221352 A1Ellenberger & Poensgen GmbH
Most cited
By later US patents
- Microminiature, monolithic, variable electrical signal processor and apparatus including same455US 5,526,172 ATexas Instruments Incorporated · 1996
- Micro electromechanical RF switch433US 5,578,976 ARockwell International Corporation · 1996
- Thin-film electrothermal device331US 4,423,401 ATektronix, Inc. · 1983
- Micromechanical microwave switching243US 5,619,061 ATexas Instruments Incorporated · 1997
- Bi-stable memory element163US 5,677,823 ACavendish Kinetics, Inc. · 1997