H01H 3/34
Using ratchet
Official title: using ratchet
H01H3/34 (Using ratchet) appears on 21 US grants and 22 published applications in this corpus.
Search patents in H01H- Granted patents
- 21
- Published applications
- 22
- Assignees
- 24
- Inventors
- 72
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 4 |
| 2017 | 3 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vibration-tolerant multi-position, multi-pole continuous-rotation stepper relay30 Sep 2025US 12,431,303 B2Hamilton Sundstrand Corporation
- Switching assembly with mechanical advantage device26 Aug 2025US 12,400,807 B2Eaton Intelligent Power Limited
- Push button switch8 Oct 2024US 12,112,902 B1MIK Electronic Corporation
- Disconnect terminal6 Apr 2021US 10,971,847 B2Weidmüller Interface GmbH & Co. KG
- Effort transmission module1 Dec 2020US 10,850,957 B2Schneider Electric Industries SAS
- Rotary knob switch lamp holder16 Jul 2026US 2026/0202047 A1Rich Brand Industries Limited
- Automatic opening mechanism7 Aug 2025US 2025/0253113 A1Chint Low Voltage Electrical Technology Co., Ltd.
- Vibration-tolerant multi-position, multi-pole continuous-rotation stepper relay15 Aug 2024US 2024/0274376 A1Hamilton Sundstrand Corporation
- Switching assembly with mechanical advantage device24 Aug 2023US 2023/0268139 A1Eaton Intelligent Power Limited
- Disconnect terminal25 Jun 2020US 2020/0203878 A1Weidmüller Interface GmbH & Co. KG
Most cited
By later US patents
- Transfer switch50US 5,397,868 AEaton Corporation · 1995
- Magneto-mechanical apparatus48US 7,015,782 B2Sensys Medical, Inc. · 2006
- Switch device7US 7,094,982 B2Behavior Tech Computer Corporation · 2006
- Selector switch relay4US 4,137,439 AElectro Switch Corp. · 1979
- Device for transmitting rotary motion3US 7,942,073 B2ABB Research Ltd. · 2011