H01H 1/025
Having copper as the basic material
Official title: having copper as the basic material
H01H1/025 (Having copper as the basic material) appears on 81 US grants and 80 published applications in this corpus.
Search patents in H01H- Granted patents
- 81
- Published applications
- 80
- Assignees
- 68
- Inventors
- 249
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 5 |
| 2015 | 3 | 9 |
| 2016 | 2 | 4 |
| 2017 | 6 | 7 |
| 2018 | 6 | 4 |
| 2019 | 5 | 5 |
| 2020 | 6 | 7 |
| 2021 | 4 | 1 |
| 2022 | 3 | 5 |
| 2023 | 2 | 5 |
| 2024 | 2 | 3 |
| 2025 | 3 | 4 |
| 2026 | 1 | 1 |
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
- Contact member, connector, composition, and method for producing contact member15 Jul 2025US 12,362,510 B2Japan Aviation Electronics Industry, Limited
- Contact member, connector, composition, and method for producing contact member8 Jul 2025US 12,355,172 B2Japan Aviation Electronics Industry, Limited
- Silver-plated product and method for producing same13 May 2025US 12,297,556 B2Dowa Metaltech Co., Ltd.
- Electrical contact and vacuum switch tube comprising electrical contact23 Apr 2024US 11,967,471 B2Mitsubishi Electric Corporation
- Electrical Contact with Multilayer Coating20 Aug 2026US 2026/0245808 A1ABB Schweiz AG
- Dry Mechanism with Multilayer Coating20 Nov 2025US 2025/0357056 A1ABB Schweiz AG
- Silver-plated product and method for producing same17 Jul 2025US 2025/0230566 A1Dowa Metaltech Co., Ltd.
- Powder, metal part, electrical contact, method of manufacturing powder, and method of manufacturing metal part29 May 2025US 2025/0170642 A1Sumitomo Electric Industries, Ltd.
- Contact for high amperage switch and test method for identification of causes of contact failure22 May 2025US 2025/0166935 A1Royal Switchgear Manufacturing Company, LLC
Most cited
By later US patents
- Dispersion strengthened metal composites51US 4,999,336 ASCM Metal Products, Inc. · 1991
- Conductive paste38US 4,400,214 AMatsushita Electric Industrial Co., Ltd. · 1983
- Base metal composite electrical contact material29US 4,475,983 AAT&T Bell Laboratories · 1984
- Miniaturized electric contact assembly for microswitch27US 4,634,824 A1987
- Dispersion strengthened metal composites24US 4,752,334 ASCM Metal Products, Inc. · 1988