H01H 9/16
Indicators for switching condition
Official title: Indicators for switching condition, e.g. "on" or "off"
H01H9/16 (Indicators for switching condition) appears on 1,065 US grants and 920 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,065
- Published applications
- 920
- Assignees
- 585
- Inventors
- 2,241
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 13 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 13 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 15 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 15 | 0 |
| 1996 | 20 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 5 |
| 2002 | 13 | 13 |
| 2003 | 17 | 17 |
| 2004 | 12 | 13 |
| 2005 | 15 | 19 |
| 2006 | 10 | 25 |
| 2007 | 19 | 14 |
| 2008 | 14 | 17 |
| 2009 | 16 | 24 |
| 2010 | 15 | 33 |
| 2011 | 15 | 19 |
| 2012 | 23 | 32 |
| 2013 | 21 | 38 |
| 2014 | 26 | 34 |
| 2015 | 34 | 58 |
| 2016 | 46 | 51 |
| 2017 | 59 | 45 |
| 2018 | 42 | 46 |
| 2019 | 56 | 72 |
| 2020 | 57 | 57 |
| 2021 | 45 | 57 |
| 2022 | 53 | 60 |
| 2023 | 52 | 57 |
| 2024 | 58 | 49 |
| 2025 | 51 | 44 |
| 2026 | 16 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compact recloser6 Oct 2026US 12,755,919 B2Hubbell Incorporated
- Switch and electronic device25 Aug 2026US 12,719,001 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Oil level sensing and fault detection16 Jun 2026US 12,656,166 B2Textron Innovations Inc.
- System and method for detecting a breaker trip19 May 2026US 12,631,683 B2Vertiv Corporation
- MEMS relay with safety function19 May 2026US 12,633,483 B2Robert Bosch GmbH
- Simulation verification method and apparatus for gas density relay27 Aug 2026US 2026/0251713 A1Shanghai Roye Electric Co., Ltd.
- Compact recloser27 Aug 2026US 2026/0253827 A1
- Circuit breaker device and method27 Aug 2026US 2026/0254224 A1Siemens Aktiengesellschaft
- Rotation shaft structure, transmission system, operation mechanism and switching device assembly20 Aug 2026US 2026/0245810 A1Schneider Electric Industries SAS
- Ac power transfer modules20 Aug 2026US 2026/0246187 A1Happy Little Pigs, LLC
Most cited
By later US patents
- Foot-operated control system for a multi-function440US 5,883,615 ALiebel-Flarsheim Company · 1999
- Doorbell communication and electrical methods336US 8,937,659 B1SkyBell Technologies, Inc. · 2015
- Doorbell communication and electrical systems325US 8,953,040 B1SkyBell Technologies, Inc. · 2015
- Method and apparatus for switching on-off a group or all lights or appliances of premises249US 8,269,376 B1Elbex Video Ltd. · 2012
- Self-powered communications link for smart circuit breakers232US 7,570,470 B2The Boeing Company · 2009