H01H 2300/05
Snap closing with trip, wherein the contacts are locked open during charging
Official title: Snap closing with trip, wherein the contacts are locked open during charging of mechanism and unlocked by separate trip device, e.g. manual, electromagnetic etc.
H01H2300/05 (Snap closing with trip, wherein the contacts are locked open during charging) appears on 8 US grants and 3 published applications in this corpus.
Search patents in H01H- Granted patents
- 8
- Published applications
- 3
- Assignees
- 2
- Inventors
- 23
- Latest grant
- 6 May 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Stored energy system for breaker operating mechanism6 May 2003US 6,559,743 B2General Electric Company
- Blocking apparatus for circuit breaker contact structure10 Sep 2002US 6,448,521 B1General Electric Company
- Self-disengaging circuit breaker motor operator23 Jul 2002US 6,423,917 B1General Electric Company
- Adjustable energy storage mechanism for a circuit breaker motor operator16 Apr 2002US 6,373,010 B1General Electric Company
- Circuit breaker with stored energy toggle-lock structure22 Jun 1982US 4,336,516 AWestinghouse Electric Corp.
Most cited
By later US patents
- Manual and motor operated circuit breaker28US 4,245,140 AGeneral Electric Company · 1981
- Circuit breaker closure control and condition indicator apparatus11US 4,128,750 AGeneral Electric Company · 1978
- Stored energy system for breaker operating mechanism11US 6,559,743 B2General Electric Company · 2003
- Circuit breaker with stored energy toggle-lock structure7US 4,336,516 AWestinghouse Electric Corp. · 1982
- Self-disengaging circuit breaker motor operator6US 6,423,917 B1General Electric Company · 2002