H01H 9/161
Comprising light emitting elements
Official title: {comprising light emitting elements}
H01H9/161 (Comprising light emitting elements) appears on 321 US grants and 266 published applications in this corpus.
Search patents in H01H- Granted patents
- 321
- Published applications
- 266
- Assignees
- 218
- Inventors
- 643
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 2 |
| 2004 | 4 | 7 |
| 2005 | 6 | 12 |
| 2006 | 6 | 14 |
| 2007 | 13 | 5 |
| 2008 | 6 | 3 |
| 2009 | 7 | 5 |
| 2010 | 6 | 14 |
| 2011 | 3 | 9 |
| 2012 | 7 | 11 |
| 2013 | 10 | 5 |
| 2014 | 3 | 13 |
| 2015 | 7 | 25 |
| 2016 | 17 | 13 |
| 2017 | 18 | 12 |
| 2018 | 8 | 14 |
| 2019 | 14 | 24 |
| 2020 | 19 | 13 |
| 2021 | 15 | 15 |
| 2022 | 16 | 14 |
| 2023 | 10 | 11 |
| 2024 | 12 | 11 |
| 2025 | 12 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radiation therapy system with follow-the-lights user interface24 Mar 2026US 12,582,844 B2Varian Medical Systems, Inc.
- Power switch assembly having indicators and removable cover10 Mar 2026US 12,573,568 B2
- Operation-indication mode switching structure, circuit and method for operating the same17 Feb 2026US 12,554,396 B2Getac Technology Corporation
- Optical monitoring system for an optical display element3 Feb 2026US 12,542,248 B2ACD Antriebstechnik GmbH
- Electromagnetic switch having display light25 Nov 2025US 12,482,613 B2
- Ac power transfer modules20 Aug 2026US 2026/0246187 A1Happy Little Pigs, LLC
- Power switch assembly having indicators and removable cover18 Jun 2026US 2026/0171335 A1Hubbell Incorporated
- Optical coupling element and user interaction device4 Jun 2026US 2026/0153229 A1Eaton Intelligent Power Limited
- Wall-mountable keypad controller and light pipe therefor9 Apr 2026US 2026/0100317 A1Somfy Activites SA
- Programmable and Configurable Switch Assembly2 Apr 2026US 2026/0094776 A1Stein Industries, Inc.
Most cited
By later US patents
- Foot-operated control system for a multi-function440US 5,883,615 ALiebel-Flarsheim Company · 1999
- Safety system for power equipment113US 7,055,417 B1Sd3, LLC · 2006
- Universal control apparatus and methods110US 7,400,239 B2Simply Automated, Incorporated · 2008
- Light emitting diode assembly installed on the back of an electrical switch wall plate to indicate, in the dark, the location of the switch, or to indicate at any time an electrical circuit is carrying current81US 4,755,913 A1988
- Optoelectronic component71US 5,452,190 A1995