H01H 3/38
Using spring or other flexible shaft coupling
Official title: using spring or other flexible shaft coupling
H01H3/38 (Using spring or other flexible shaft coupling) appears on 137 US grants and 158 published applications in this corpus.
Search patents in H01H- Granted patents
- 137
- Published applications
- 158
- Assignees
- 93
- Inventors
- 360
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 3 | 13 |
| 2015 | 7 | 22 |
| 2016 | 17 | 9 |
| 2017 | 19 | 14 |
| 2018 | 10 | 12 |
| 2019 | 13 | 9 |
| 2020 | 11 | 6 |
| 2021 | 6 | 10 |
| 2022 | 12 | 12 |
| 2023 | 9 | 15 |
| 2024 | 3 | 5 |
| 2025 | 11 | 11 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch with a movable contact and an elastic assembly8 Sep 2026US 12,731,739 B2Eaton Intelligent Power Limited
- Operation apparatus for rotary switch and rotary switch1 Sep 2026US 12,725,744 B2Huawei Digital Power Technologies Co., Ltd.
- Bi-stable assembly for a switchable electrical apparatus23 Jun 2026US 12,665,148 B2Eaton Intelligent Power Limited
- Circuit breaker linear lever and tripping fork mechanism12 May 2026US 12,626,872 B2Rockwell Automation Switzerland GmbH
- Power tool21 Apr 2026US 12,609,252 B2Nanjing Chervon Industry Co., Ltd.
- Automatic transfer switch13 Aug 2026US 2026/0237571 A1Kutai Electronics Industry Co., Ltd.
- Battery configuration contactor assembly13 Aug 2026US 2026/0237572 A1Sensata Technologies, Inc.
- Insulation rod and switch23 Jul 2026US 2026/0213086 A1Mitsubishi Electric Corporation
- Damper component for reducing bouncing effect on circuit breaker contacts during switch on process9 Jul 2026US 2026/0196422 A1Rockwell Automation Switzerland GmbH
- Dual power transfer switch11 Jun 2026US 2026/0162913 A1Schneider Electric Industries SAS
Most cited
By later US patents
- Push switch68US 7,525,059 B2Panasonic Corporation · 2009
- Button actuation assembly59US 7,446,276 B2Metrologic Instruments, Inc. · 2008
- Remote control circuit breaker51US 4,623,859 ASquare D Company · 1986
- Spring loaded, bistable connect/disconnect for MCC unit13US 9,831,645 B2Schneider Electric USA, Inc. · 2017
- Electrical switch construction11US 3,989,914 ARobertshaw Controls Company · 1976