H01H 2201/026
Non precious
Official title: non precious
H01H2201/026 (Non precious) appears on 114 US grants and 52 published applications in this corpus.
Search patents in H01H- Granted patents
- 114
- Published applications
- 52
- Assignees
- 71
- Inventors
- 182
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 6 |
| 2012 | 1 | 1 |
| 2013 | 3 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 4 |
| 2016 | 0 | 3 |
| 2017 | 1 | 5 |
| 2018 | 6 | 4 |
| 2019 | 4 | 6 |
| 2020 | 6 | 7 |
| 2021 | 3 | 2 |
| 2022 | 0 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device for thermionic arc extinction via anode ion depletion8 Jul 2025US 12,354,824 B2Stacom Engineering Company
- Key entry device9 Jul 2024US 12,033,019 B2VeriFone, Inc.
- Smart speaker with sensing through the speaker grille2 Jul 2024US 12,027,338 B2
- Electrical switching element comprising a direct armature coupling30 Jan 2024US 11,887,797 B2TE Connectivity Germany GmbH
- Key entry device20 Jun 2023US 11,681,881 B2VeriFone, Inc.
- Device for thermionic arc extinction via anode ion depletion25 Dec 2025US 2025/0391618 A1Stacom Engineering Company
- Electrically conductive membrane pressure switch25 Jan 2024US 2024/0029973 A1Clean Energy Labs, LLC
- Key entry device7 Sep 2023US 2023/0281402 A1VeriFone, Inc.
- Device for thermionic arc extinction via anode ion depletion24 Aug 2023US 2023/0268140 A1Stacom Engineering Company
- Switch device20 Oct 2022US 2022/0336166 A1Nidec Mobility Corporation
Most cited
By later US patents
- Composite top membrane for flat panel switch arrays145US 4,258,096 ASheldahl, Inc. · 1981
- Low resistance switch using carbon contacts140US 6,426,568 B2Gentex Corporation · 2002
- Membrane-type touch panel136US 4,085,302 AControl Data Corporation · 1978
- Transparent keyboard switch and array133US 4,017,848 ARockwell International Corporation · 1977
- Touch switch and contactor therefor121US 4,243,861 ACornelius, Inc. · 1981