H01H 2071/502
With direct contact between manual operator and welded contact structure
Official title: {with direct contact between manual operator and welded contact structure}
H01H2071/502 (With direct contact between manual operator and welded contact structure) appears on 12 US grants and 1 published applications in this corpus.
Search patents in H01H- Granted patents
- 12
- Published applications
- 1
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 25 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fusion welding isolation mechanism for operation mechanism of circuit breaker25 Jun 2019US 10,332,715 B2Seari Electric Technology Co., Ltd.
- Linkage-based off-stop apparatus and methods for circuit breakers2 Jan 2018US 9,859,083 B1Siemens Aktiengesellschaft
- Circuit interrupter with a trip mechanism having a biased latch17 Jul 2001US 6,262,645 B1Eaton Corporation
- Circuit interrupter with improved welded contact interlock10 Jul 2001US 6,259,342 B1Eaton Corporation
- Circuit breaker with an anti-lift pivot handle26 Oct 1999US 5,973,280 AEaton Corporation
Most cited
By later US patents
- 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
- Low-voltage protective circuit breaker with locking lever99US 4,368,444 ASiemens Aktiengesellschaft · 1983
- Circuit breaker with welded contacts90US 5,184,717 AWestinghouse Electric Corp. · 1993
- Circuit breaker positive off interlock11US 5,142,112 AWestinghouse Electric Corp. · 1992
- Circuit breaker positive off interlock10US 5,270,564 AWestinghouse Electric Corp. · 1993