H01H 19/025
Light-emitting indicators
Official title: {Light-emitting indicators}
H01H19/025 (Light-emitting indicators) appears on 197 US grants and 211 published applications in this corpus.
Search patents in H01H- Granted patents
- 197
- Published applications
- 211
- Assignees
- 127
- Inventors
- 402
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 6 | 10 |
| 2004 | 6 | 5 |
| 2005 | 3 | 7 |
| 2006 | 6 | 9 |
| 2007 | 5 | 4 |
| 2008 | 8 | 2 |
| 2009 | 3 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 9 |
| 2013 | 5 | 8 |
| 2014 | 10 | 4 |
| 2015 | 8 | 15 |
| 2016 | 2 | 11 |
| 2017 | 13 | 10 |
| 2018 | 8 | 14 |
| 2019 | 13 | 12 |
| 2020 | 12 | 14 |
| 2021 | 11 | 14 |
| 2022 | 13 | 15 |
| 2023 | 18 | 10 |
| 2024 | 7 | 10 |
| 2025 | 7 | 9 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Digital display power switch29 Sep 2026US 12,749,635 B2XiaMen YiDongsheng Technologies Co Ltd
- Backlit knob16 Jun 2026US 12,656,807 B2Electrolux Home Products, Inc.
- Power switch assembly having indicators and removable cover10 Mar 2026US 12,573,568 B2
- Switching unit for a vehicle27 Jan 2026US 12,537,150 B2UNO Minda Limited
- Light guide for rotary knob operation device30 Dec 2025US 12,508,905 B2Volkswagen Aktiengesellschaft
- Rotary knob switch lamp holder16 Jul 2026US 2026/0202047 A1Rich Brand Industries Limited
- Power switch assembly having indicators and removable cover18 Jun 2026US 2026/0171335 A1Hubbell Incorporated
- Home appliance4 Jun 2026US 2026/0153896 A1LG Electronics Inc.
- Trim tab actuator input device5 Feb 2026US 2026/0038753 A1Navico Group Americas, LLC
- Load control device having an illuminated rotary knob8 Jan 2026US 2026/0012118 A1Lutron Technology Company LLC
Most cited
By later US patents
- Rotary control72US 5,450,075 AAMS Industries, Inc. · 1995
- Electrical terminal module66US 8,975,543 B2Phoenix Contact GmbH & Co.KG · 2015
- Display apparatus55US 7,350,954 B2Delphi Technologies, Inc. · 2008
- Mobile communication terminal with multi-input device and method of using the same47US 7,397,467 B2Samsung Electronics Co., Ltd. · 2008
- Control device for controlling multiple operating characteristics of an electrical load45US 10,375,803 B2Lutron Technology Company LLC · 2019