H01H 1/04
Co-operating contacts of different material
H01H1/04 (Co-operating contacts of different material) appears on 51 US grants and 57 published applications in this corpus.
Search patents in H01H- Granted patents
- 51
- Published applications
- 57
- Assignees
- 53
- Inventors
- 158
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 7 |
| 2004 | 2 | 4 |
| 2005 | 6 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 5 |
| 2017 | 1 | 3 |
| 2018 | 4 | 2 |
| 2019 | 2 | 7 |
| 2020 | 4 | 4 |
| 2021 | 5 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contact for a vacuum interrupter and production method for such a contact19 May 2026US 12,633,469 B2Siemens Aktiengesellschaft
- Compact vacuum interrupter15 Jul 2025US 12,362,114 B2Siemens Aktiengesellschaft
- Composite plating material and method for producing the same12 Mar 2024US 11,926,917 B2Dowa Metaltech Co., Ltd.
- UV-curable contact stabilization coating material for electrical contact surfaces28 Nov 2023US 11,831,097 B2The University of Akron
- Electromagnetic relay to ensure stable energization even when contact is dissolved28 Jun 2022US 11,373,830 B2OMRON Corporation
- Electrical contact conductor25 Jun 2026US 2026/0182354 A1Zhejiang Chint Electrics Co., Ltd.
- Low contact resistance electromechanical switch7 May 2026US 2026/0128239 A1AMP Amermex, S.A. de C.V.
- Disconnector contact system with controlled discharge30 Apr 2026US 2026/0120967 A1Hitachi Energy Ltd
- Composite material, terminal and method for manufacturing terminal9 Apr 2026US 2026/0098354 A1Dowa Metaltech Co., Ltd.
- Composite material, method for producing the composite material, and terminal4 Sep 2025US 2025/0277324 A1Dowa Metaltech Co., Ltd.
Most cited
By later US patents
- Direct current load breaking contact point constitution and switching mechanism therewith201US 6,934,134 B2OMRON Corporation · 2005
- MEMS device having contact and standoff bumps and related methods113US 6,876,482 B2Turnstone Systems, Inc. · 2005
- Trilayered beam MEMS device and related methods102US 6,746,891 B2Turnstone Systems, Inc. · 2004
- MEMS device having a trilayered beam and related methods99US 6,876,047 B2Turnstone Systems, Inc. · 2005
- Trilayered beam MEMS device and related methods93US 6,917,086 B2Turnstone Systems, Inc. · 2005