H01H 2009/288
Provisions relating to welded contacts
Official title: {Provisions relating to welded contacts}
H01H2009/288 (Provisions relating to welded contacts) appears on 20 US grants and 9 published applications in this corpus.
Search patents in H01H- Granted patents
- 20
- Published applications
- 9
- Assignees
- 15
- Inventors
- 49
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method of detecting a welded contact12 Aug 2025US 12,387,883 B2Rockwell Automation Switzerland GmbH
- Rotary handle construction of an electrical switch11 Jan 2022US 11,222,758 B2ABB Schweiz AG
- Electronic switching device including a lockable rotary handle having a position off feature14 May 2019US 10,290,454 B2Siemens Aktiengesellschaft
- Control system for a breaker pole with forcing, and breaker gear26 Jun 2018US 10,008,355 B2Socomec
- Safety rotary operator assembly2 Apr 2013US 8,408,091 B2Ewac Holding B.V.
- Rotation shaft structure, transmission system, operation mechanism and switching device assembly27 Nov 2025US 2025/0361929 A1Schneider Electric Industries SAS
- System and Method of Detecting a Welded Contact9 Feb 2023US 2023/0044944 A1Rockwell Automation Switzerland GmbH
- Rotary handle construction of an electrical switch3 Sep 2020US 2020/0279702 A1ABB Schweiz AG
- A control system for a breaker pole with forcing, and breaker gear8 Feb 2018US 2018/0040447 A1Socomec
- Electronic switching device25 Jan 2018US 2018/0025878 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Circuit breaker with remote control and disconnection function120US 5,477,016 AMerlin Gerin · 1995
- Electric switch in which the control lever travel is arrested if the contacts become welded together101US 4,546,224 ASACE S.p.A. Costruzioni Elettromeccaniche · 1985
- Circuit breaker including improved handle indication of contact position92US 5,120,921 ASiemens Energy & Automation, Inc. · 1992
- Manually operated device having a turning handle for electrical switching devices60US 6,423,912 B1Moeller GmbH · 2002
- Circuit breaker handle interlock arrangement59US 4,978,816 AGeneral Electric Company · 1990