H01H 11/048
By powder-metallurgical processes
Official title: {by powder-metallurgical processes}
H01H11/048 (By powder-metallurgical processes) appears on 78 US grants and 67 published applications in this corpus.
Search patents in H01H- Granted patents
- 78
- Published applications
- 67
- Assignees
- 54
- Inventors
- 234
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 7 |
| 2016 | 2 | 4 |
| 2017 | 1 | 4 |
| 2018 | 5 | 6 |
| 2019 | 5 | 4 |
| 2020 | 5 | 3 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 3 |
| 2024 | 3 | 6 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- DC high-voltage relay, and contact material for DC high-voltage relay24 Jun 2025US 12,340,956 B2Tanaka Kikinzoku Kogyo K.K.
- Vacuum circuit breaker with weldable copper switch contacts20 Aug 2024US 12,068,118 B2Siemens Energy Global GmbH & Co. KG
- Electrical contact and vacuum switch tube comprising electrical contact23 Apr 2024US 11,967,471 B2Mitsubishi Electric Corporation
- Method for manufacturing an Ag-based electrical contact material, an electrical contact material and an electrical contact obtained therewith5 Mar 2024US 11,923,153 B2ABB Schweiz AG
- Metal contact of a residential circuit breaker including ordered ceramic microparticles24 Oct 2023US 11,798,751 B2Siemens Industry, Inc.
- Electrical Contact with Multilayer Coating20 Aug 2026US 2026/0245808 A1ABB Schweiz AG
- Dry Mechanism with Multilayer Coating20 Nov 2025US 2025/0357056 A1ABB Schweiz AG
- Powder, metal part, electrical contact, method of manufacturing powder, and method of manufacturing metal part29 May 2025US 2025/0170642 A1Sumitomo Electric Industries, Ltd.
- Method of Forming a Contact Piece for a Circuit Breaker5 Dec 2024US 2024/0399619 A1ABB Schweiz AG
- Contact disk for a vacuum switch, vacuum switch and production method for a contact disk21 Nov 2024US 2024/0387124 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Methods of making high performance compacts and products35US 4,954,170 AWestinghouse Electric Corp. · 1990
- Metal matrix composite powders and process for producing same27US 4,687,511 AGTE Products Corporation · 1987
- Hot isostatic pressing of high performance electrical components22US 4,810,289 AWestinghouse Electric Corp. · 1989
- Air conditioning unit for motor vehicle, particularly omnibuses22US 5,220,808 AWebasto Klimatechnik GmbH · 1993
- Production of noble metal/non-noble metal oxide powder20US 4,897,110 ADornier System GmbH · 1990