H01H 71/50
Manual reset mechanisms which may be also used for manual release
Official title: Manual reset mechanisms {which may be also used for manual release}
H01H71/50 (Manual reset mechanisms which may be also used for manual release) appears on 1,116 US grants and 691 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,116
- Published applications
- 691
- Assignees
- 238
- Inventors
- 1,543
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 14 | 0 |
| 1978 | 16 | 0 |
| 1979 | 12 | 0 |
| 1980 | 5 | 0 |
| 1981 | 20 | 0 |
| 1982 | 12 | 0 |
| 1983 | 12 | 0 |
| 1984 | 10 | 0 |
| 1985 | 18 | 0 |
| 1986 | 26 | 0 |
| 1987 | 19 | 0 |
| 1988 | 13 | 0 |
| 1989 | 16 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 22 | 0 |
| 1993 | 25 | 0 |
| 1994 | 29 | 0 |
| 1995 | 16 | 0 |
| 1996 | 21 | 0 |
| 1997 | 7 | 0 |
| 1998 | 21 | 0 |
| 1999 | 26 | 0 |
| 2000 | 16 | 0 |
| 2001 | 26 | 3 |
| 2002 | 31 | 33 |
| 2003 | 20 | 4 |
| 2004 | 25 | 23 |
| 2005 | 26 | 18 |
| 2006 | 19 | 17 |
| 2007 | 11 | 18 |
| 2008 | 19 | 21 |
| 2009 | 20 | 33 |
| 2010 | 14 | 16 |
| 2011 | 17 | 19 |
| 2012 | 20 | 20 |
| 2013 | 30 | 37 |
| 2014 | 21 | 22 |
| 2015 | 22 | 29 |
| 2016 | 41 | 40 |
| 2017 | 38 | 39 |
| 2018 | 36 | 47 |
| 2019 | 60 | 28 |
| 2020 | 33 | 34 |
| 2021 | 27 | 31 |
| 2022 | 24 | 29 |
| 2023 | 35 | 43 |
| 2024 | 26 | 23 |
| 2025 | 42 | 39 |
| 2026 | 20 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 71/52Actuated by lever549
- H01H 71/505Latching devices between operating and release mechanism213
- H01H 71/58Actuated by push-button, pull-knob, or slide146
- H01H 71/56Actuated by rotatable knob or wheel144
- H01H 71/501Means for breaking welded contacts116
- H01H 71/62With means for preventing resetting while abnormal condition persists80
- H01H 71/504Provided with anti-rebound means59
- H01H 71/54Actuated by tumbler29
Recent patents
- Operating mechanism8 Sep 2026US 12,731,750 B2Chint Low Voltage Electrical Technology Co., Ltd.
- Solid-state circuit breaker28 Jul 2026US 12,695,043 B2Schneider Electric (China) Co., Ltd.
- Circuit breaker21 Jul 2026US 12,688,984 B2Siemens Aktiengesellschaft
- Reset module for handle mechanism, handle mechanism and switching device23 Jun 2026US 12,665,152 B2Schneider Electric (China) Co., Ltd.
- Transfer apparatus for dual-power transfer switch16 Jun 2026US 12,658,381 B2ABB AB
- Robust Reset Switch for Circuit Interrupters10 Sep 2026US 2026/0269163 A1
- Energy storage structure and rotary isolation switch27 Aug 2026US 2026/0251128 A1Chint Low Voltage Electrical Technology Co., Ltd.
- Leakage protection device and electrical device27 Aug 2026US 2026/0253828 A1Sensata Technologies Changzhou Co., Ltd.
- Solid-state circuit breaker13 Aug 2026US 2026/0237587 A1Schneider Electric Industries SAS
- Actuating mechanism for a power circuit-breaker and power circuit-breaker23 Jul 2026US 2026/0213096 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Reset lockout for circuit interrupting device193US 6,040,967 ALeviton Manufacturing Co., Inc. · 2000
- Circuit interrupting device with reverse wiring protection161US 6,246,558 B1Leviton Manufacturing Co., Inc. · 2001
- Rotary control device of a circuit breaker145US 5,493,083 AMerlin Gerin · 1996
- Circuit breaker with independent trip and reset lockout128US 6,288,882 B1Leviton Manufacturing Co., Inc. · 2001
- Circuit breaker with positive off protection121US 5,296,664 AWestinghouse Electric Corp. · 1994