H01H 1/221
And a contact pressure spring acting between the pivoted member and a
Official title: {and a contact pressure spring acting between the pivoted member and a supporting member}
H01H1/221 (And a contact pressure spring acting between the pivoted member and a) appears on 197 US grants and 120 published applications in this corpus.
Search patents in H01H- Granted patents
- 197
- Published applications
- 120
- Assignees
- 55
- Inventors
- 376
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 5 | 5 |
| 2004 | 1 | 7 |
| 2005 | 6 | 2 |
| 2006 | 4 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 9 |
| 2009 | 3 | 7 |
| 2010 | 4 | 4 |
| 2011 | 4 | 8 |
| 2012 | 6 | 5 |
| 2013 | 2 | 5 |
| 2014 | 10 | 8 |
| 2015 | 7 | 6 |
| 2016 | 8 | 7 |
| 2017 | 8 | 8 |
| 2018 | 8 | 7 |
| 2019 | 11 | 2 |
| 2020 | 1 | 5 |
| 2021 | 3 | 2 |
| 2022 | 2 | 5 |
| 2023 | 3 | 1 |
| 2024 | 4 | 5 |
| 2025 | 1 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control system and interrupter system13 May 2025US 12,300,450 B2Panasonic Intellectual Property Management Co., Ltd.
- Solid-state circuit breaker includes airgap operating mechanism configured to operate in limited space24 Dec 2024US 12,176,166 B2Siemens Industry, Inc.
- Flat force blow-on switch27 Aug 2024US 12,074,002 B2Cummins Power Generation IP, Inc.
- Control system and interrupter system19 Mar 2024US 11,935,712 B2Panasonic Intellectual Property Management Co., Ltd.
- Solid-state circuit breaker that turns off electronics before primary main contacts are opened13 Feb 2024US 11,901,147 B1Siemens Industry, Inc.
- Switch pole for electrical systems8 Oct 2026US 2026/0311939 A1
- Switching apparatus for electrical systems11 Jun 2026US 2026/0162920 A1
- Contactor movable contact assembly and contactor2 Apr 2026US 2026/0094773 A1Tyco Electronics Technology (SIP) Co., Ltd.
- Contact bridge sub-assembly, contact bridge assembly and electric switching device5 Mar 2026US 2026/0066195 A1TE Connectivity Solutions GmbH
- Air circuit breaker20 Nov 2025US 2025/0357058 A1Ls Electric Co., Ltd.
Most cited
By later US patents
- Molded case current limiting circuit breaker151US 5,341,191 AEaton Corporation · 1994
- Molded case circuit breaker with removable arc chutes and disengageable transmission system between the operating mechanism and the poles116US 4,764,650 AMerlin Gerin · 1988
- Multiple circuit breaker with double break rotary contact113US 4,910,485 AMerlin Gerin · 1990
- Low voltage circuit breaker with multiple contacts for high currents111US 5,210,385 A1993
- Molded case circuit breaker crossbar assembly109US 4,733,211 AGeneral Electric Company · 1988