H03K 17/945
Proximity switches
Official title: Proximity switches (H03K17/96 takes precedence)
H03K17/945 (Proximity switches) appears on 2,006 US grants and 1,876 published applications in this corpus.
Search patents in H03K- Granted patents
- 2,006
- Published applications
- 1,876
- Assignees
- 902
- Inventors
- 3,551
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 15 | 0 |
| 1978 | 12 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 20 | 0 |
| 1986 | 9 | 0 |
| 1987 | 22 | 0 |
| 1988 | 22 | 0 |
| 1989 | 21 | 0 |
| 1990 | 20 | 0 |
| 1991 | 23 | 0 |
| 1992 | 16 | 0 |
| 1993 | 24 | 0 |
| 1994 | 18 | 0 |
| 1995 | 12 | 0 |
| 1996 | 24 | 0 |
| 1997 | 15 | 0 |
| 1998 | 23 | 0 |
| 1999 | 16 | 0 |
| 2000 | 21 | 0 |
| 2001 | 18 | 8 |
| 2002 | 21 | 27 |
| 2003 | 24 | 21 |
| 2004 | 31 | 29 |
| 2005 | 21 | 36 |
| 2006 | 30 | 35 |
| 2007 | 36 | 33 |
| 2008 | 16 | 49 |
| 2009 | 31 | 53 |
| 2010 | 36 | 59 |
| 2011 | 33 | 73 |
| 2012 | 42 | 51 |
| 2013 | 48 | 92 |
| 2014 | 54 | 104 |
| 2015 | 95 | 100 |
| 2016 | 94 | 96 |
| 2017 | 97 | 106 |
| 2018 | 100 | 121 |
| 2019 | 132 | 145 |
| 2020 | 122 | 121 |
| 2021 | 112 | 143 |
| 2022 | 105 | 117 |
| 2023 | 88 | 94 |
| 2024 | 117 | 81 |
| 2025 | 78 | 57 |
| 2026 | 38 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor for controlling access to a motor vehicle, having an electrode surrounded by an antenna29 Sep 2026US 12,750,056 B2Schaeffler Technologies AG & Co. KG
- Low voltage level controllers8 Sep 2026US 12,730,461 B1Fazor LLC
- Capacitive button8 Sep 2026US 12,732,188 B2Mitsubishi Electric Corporation
- Pump monitor with metal detector alarm controller1 Sep 2026US 12,723,585 B1Sump Alarm, Inc.
- Optical element drive mechanism18 Aug 2026US 12,710,615 B2Actutek Corporation
- Sensor drive device and method for operating a capacitive sensor13 Aug 2026US 2026/0235420 A1
- Electronic device user interface13 Aug 2026US 2026/0238209 A1Azoteq Holdings Limited
- Skin detection using voltage representations of frequencies23 Jul 2026US 2026/0211502 A1Microsoft Technology Licensing, LLC
- Electronic circuit, electronic device, and wireless communication device16 Jul 2026US 2026/0205116 A1Seiko Group Corporation
- Magnetic metal proximity electric switch9 Jul 2026US 2026/0197000 A1
Most cited
By later US patents
- Differential touch sensor and control circuit therefor916US 6,310,611 B1Touchsensor Technologies, LLC · 2001
- Time domain capacitive field detector800US 5,730,165 A1998
- Capacitive sensor and array762US 6,452,514 B12002
- Touch sensor and control circuit therefor717US 5,594,222 AIntegrated Controls · 1997
- Proximity safety switch suitable for use in a hair dryer for disabling operation646US 6,784,775 B2LJM Associates, Inc. · 2004