H01H 2231/038
Level sensing or limit switch
H01H2231/038 (Level sensing or limit switch) appears on 7 US grants and 6 published applications in this corpus.
Search patents in H01H- Granted patents
- 7
- Published applications
- 6
- Assignees
- 9
- Inventors
- 22
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Measuring arrangement and measuring system, in particular for a liquid sensor2 Apr 2024US 11,946,791 B2Wema System AS
- Limit switch8 Nov 2016US 9,490,081 B2OMRON Corporation
- Material level sensor5 Jul 2016US 9,383,243 B1Garner Industries, Inc.
- Limit switch and linear actuator having the same29 Mar 2016US 9,299,506 B2Timotion Technology Co., Ltd.
- Motion detector and associated system28 Jun 1994US 5,324,898 ATexas Instruments Incorporated
- Limit switch and associated method26 Mar 2026US 2026/0088237 A1Honeywell International Inc.
- Measuring Arrangement And Measuring System, In Particular For A Liquid Sensor23 Jul 2020US 2020/0232839 A1Wema System AS
- Switch30 Jul 2015US 2015/0213977 A1OMRON Corporation
- Switch30 Apr 2015US 2015/0114806 A1OMRON Corporation
- Limit switch and linear actuator having the same8 Jan 2015US 2015/0008102 A1Timotion Technology Co., Ltd.
Most cited
By later US patents
- Connector for a thin electronic appliance19US 4,891,013 ASharp Kabushiki Kaisha · 1990
- Membrane switch for hopper2US 4,504,709 AGandy Company · 1985
- Limit switch and linear actuator having the same2US 9,299,506 B2Timotion Technology Co., Ltd. · 2016
- Material level sensor2US 9,383,243 B1Garner Industries, Inc. · 2016
- Motion detector and associated system1US 5,324,898 ATexas Instruments Incorporated · 1994