H01H 1/023
Having a noble metal as the basic material
Official title: having a noble metal as the basic material
H01H1/023 (Having a noble metal as the basic material) appears on 310 US grants and 160 published applications in this corpus.
Search patents in H01H- Granted patents
- 310
- Published applications
- 160
- Assignees
- 164
- Inventors
- 679
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 2 |
| 2003 | 1 | 4 |
| 2004 | 3 | 2 |
| 2005 | 2 | 4 |
| 2006 | 2 | 6 |
| 2007 | 3 | 7 |
| 2008 | 3 | 6 |
| 2009 | 3 | 5 |
| 2010 | 2 | 9 |
| 2011 | 4 | 10 |
| 2012 | 7 | 6 |
| 2013 | 1 | 5 |
| 2014 | 9 | 6 |
| 2015 | 4 | 16 |
| 2016 | 5 | 13 |
| 2017 | 10 | 6 |
| 2018 | 7 | 8 |
| 2019 | 11 | 8 |
| 2020 | 7 | 5 |
| 2021 | 7 | 6 |
| 2022 | 4 | 6 |
| 2023 | 3 | 6 |
| 2024 | 6 | 4 |
| 2025 | 3 | 7 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Contact for a vacuum interrupter and production method for such a contact19 May 2026US 12,633,469 B2Siemens Aktiengesellschaft
- Silver electrolyte for depositing dispersion silver layers and contact surfaces with dispersion silver layers25 Nov 2025US 12,480,220 B2Dr.-Ing. Max Schlotter GmbH & Co. KG
- Contact material for thermal fuse and thermosensitive pellet-type thermal fuse using the same25 Nov 2025US 12,482,624 B2SCHOTT Japan Corporation
- DC high-voltage relay, and contact material for DC high-voltage relay24 Jun 2025US 12,340,956 B2Tanaka Kikinzoku Kogyo K.K.
- Samarium-silver alloy clad structure for charging terminals and manufacturing method thereof26 Nov 2024US 12,155,142 B2Materion Corporation
- Composite material, terminal and method for manufacturing terminal9 Apr 2026US 2026/0098354 A1Dowa Metaltech Co., Ltd.
- Relay25 Dec 2025US 2025/0391622 A1Fcl Components Limited
- Process for Joining Silver-Graphite to Copper Carriers3 Jul 2025US 2025/0214164 A1ABB Schweiz AG
- Composite for Switchgears3 Jul 2025US 2025/0215537 A1ABB Schweiz AG
- Contact carrier, contact-carrier arrangement and low-voltage protective switching device27 Mar 2025US 2025/0104936 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Direct current load breaking contact point constitution and switching mechanism therewith201US 6,934,134 B2OMRON Corporation · 2005
- Electrical contact material and method for making the same56US 4,162,160 AFansteel Inc. · 1979
- Laser surface alloying37US 4,495,255 AAT&T Technologies, Inc. · 1985
- High performance electric contacts33US 5,599,615 AXerox Corporation · 1997
- Electrical contact material and method of making the same32US 4,141,727 AMatsushita Electric Industrial Co., Ltd. · 1979