H03K 2217/945
Proximity switches
H03K2217/945 (Proximity switches) appears on 83 US grants and 80 published applications in this corpus.
Search patents in H03K- Granted patents
- 83
- Published applications
- 80
- Assignees
- 57
- Inventors
- 166
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 3 | 5 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 5 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 4 |
| 2015 | 3 | 5 |
| 2016 | 2 | 5 |
| 2017 | 3 | 2 |
| 2018 | 7 | 4 |
| 2019 | 4 | 7 |
| 2020 | 9 | 3 |
| 2021 | 4 | 8 |
| 2022 | 4 | 10 |
| 2023 | 5 | 4 |
| 2024 | 6 | 4 |
| 2025 | 5 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Button mechanism for waterproof housing12 May 2026US 12,625,526 B2Apple Inc.
- Using a structural internal element as a capacitive element to sense proximity13 Jan 2026US 12,524,118 B2Apple Inc.
- Electromagnetic transmission line sensors18 Nov 2025US 12,474,472 B2B/E Aerospace, Inc.
- Electronic module, sensor apparatuses, set of sensor apparatuses and method for operating a sensor apparatus4 Nov 2025US 12,460,947 B2Balluff GmbH
- Proximity switch and method for operating a proximity switch23 Sep 2025US 12,425,025 B2Turck Holding GmbH
- Proximity sensor and amplifier housing1 Jan 2026US 2026/0003094 A1Keyence Corporation
- Electromagnetic transmission line sensors6 Mar 2025US 2025/0076500 A1B/E Aerospace, Inc.
- Using a structural internal element as a capacitive element to sense proximity19 Sep 2024US 2024/0310962 A1Apple Inc.
- Fixture, actuator with fixture, and detection switch15 Aug 2024US 2024/0273983 A1Panasonic Intellectual Property Management Co., Ltd.
- Electronic wave switch16 May 2024US 2024/0162902 A1Pass & Seymour, Inc.
Most cited
By later US patents
- Radio frequency powered switch40US 6,618,022 B2Delta Systems, Inc. · 2003
- Inductive proximity switch39US 5,012,206 AWerner Turck GmbH & Co. KG · 1991
- Detection system and switch device29US 6,429,782 B2Robert Bosch GmbH · 2002
- Electromagnetic field adjustment for proximity detection23US 8,169,335 B2Strata Proximity Systems, LLC · 2012
- Inductive proximity sensor for detecting magnetic and non-magnetic metallic objects21US 5,767,672 ASchneider Electric SA · 1998