H01H 2201/036
Variable resistance
H01H2201/036 (Variable resistance) appears on 219 US grants and 186 published applications in this corpus.
Search patents in H01H- Granted patents
- 219
- Published applications
- 186
- Assignees
- 88
- Inventors
- 309
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 11 |
| 2002 | 16 | 13 |
| 2003 | 14 | 15 |
| 2004 | 8 | 5 |
| 2005 | 8 | 6 |
| 2006 | 8 | 14 |
| 2007 | 7 | 7 |
| 2008 | 2 | 9 |
| 2009 | 5 | 7 |
| 2010 | 2 | 3 |
| 2011 | 6 | 5 |
| 2012 | 3 | 2 |
| 2013 | 9 | 31 |
| 2014 | 14 | 14 |
| 2015 | 13 | 6 |
| 2016 | 12 | 5 |
| 2017 | 6 | 3 |
| 2018 | 2 | 5 |
| 2019 | 4 | 2 |
| 2020 | 4 | 4 |
| 2021 | 3 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 7 |
| 2024 | 4 | 3 |
| 2025 | 5 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device having integrated interface system19 May 2026US 12,632,116 B2Apple Inc.
- Variable-speed trigger switch having a conductive elastomer6 Jan 2026US 12,519,370 B2Black & Decker Inc.
- Haptic keyboard system21 Oct 2025US 12,449,906 B2Cirque Corporation
- Button structure21 Oct 2025US 12,451,305 B2Peratech IP Ltd
- Haptic actuator system including a multi-layer inductor and a magnetic element3 Jun 2025US 12,321,529 B2Sensel, Inc.
- Device having integrated interface system17 Sep 2026US 2026/0277330 A1Apple Inc.
- Variable-speed trigger switch having a conductive elastomer14 May 2026US 2026/0135440 A1Black & Decker Inc.
- Human-computer interface system26 Feb 2026US 2026/0056621 A1Cirque Corporation
- Haptic actuator system including a multi-layer inductor and a magnetic element21 Aug 2025US 2025/0264942 A1Sensel, Inc.
- Human-computer interface system5 Jun 2025US 2025/0181176 A1Sensel, Inc.
Most cited
By later US patents
- Multi-function surgical device control system1,186US 5,712,460 ALinvatec Corporation · 1998
- Image controller575US 9,081,426 B2Anascape, Ltd. · 2015
- Image controller323US 7,345,670 B2Anascape, Ltd. · 2008
- Foldable alpha numeric keyboard239US 6,861,961 B2Electrotextiles Company Limited · 2005
- Ergonomic keyboard apparatus with left and right key section separated by an irregularly shaped space209US 5,372,441 ATypeRight Keyboard Corporation · 1994