H01H 51/288
Freely suspended contacts
Official title: {Freely suspended contacts}
H01H51/288 (Freely suspended contacts) appears on 6 US grants and 1 published applications in this corpus.
Search patents in H01H- Granted patents
- 6
- Published applications
- 1
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 23 Mar 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 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 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Floating contactor relay23 Mar 2004US 6,710,689 B2Credence Systems Corporation
- Position insensitive mercury relay switch7 Apr 1981US 4,260,970 AFifth Dimension Inc.
- Magnetically controlled switch with wetted contact9 Dec 1980US 4,238,748 AOrega Circuits et Commutation
- Magnetically actuated mercury switch17 Jun 1980US 4,208,643 AGulf & Western Manufacturing Company
- Switch5 Dec 1978US 4,128,823 AFujitsu Limited
Most cited
By later US patents
- Magnetically controlled switch with wetted contact74US 4,238,748 AOrega Circuits et Commutation · 1980
- Floating contactor relay17US 6,710,689 B2Credence Systems Corporation · 2004
- Position insensitive mercury relay switch8US 4,260,970 AFifth Dimension Inc. · 1981
- Cylindrical, linear, stopless mercury switch and relay6US 4,047,135 AInternational Business Machines Corporation · 1977
- Magnetically actuated mercury switch5US 4,208,643 AGulf & Western Manufacturing Company · 1980