G05B 2219/24125
Watchdog, check at timed intervals
G05B2219/24125 (Watchdog, check at timed intervals) appears on 54 US grants and 30 published applications in this corpus.
Search patents in G05B- Granted patents
- 54
- Published applications
- 30
- Assignees
- 40
- Inventors
- 122
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 3 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 4 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Watchdog circuitry of a surgical robot arm30 Dec 2025US 12,510,880 B2Cmr Surgical Limited
- System and method for controlling a latching relay failsafe4 Feb 2025US 12,216,443 B2Parker-Hannifin Corporation
- Semiconductor chip and security circuit assembly containing redundant safety circuitry for monitoring base functions12 Nov 2024US 12,141,022 B2Vitesco Technologies GmbH
- Functional safety techniques for industrial automation devices20 Feb 2024US 11,909,199 B2Rockwell Automation Technologies, Inc.
- Single event effect mitigation9 Aug 2022US 11,409,609 B2ROLLS-ROYCE plc
- Decision unit for fail operational sensors26 Dec 2024US 2024/0427303 A1
- Semiconductor chip and security circuit assembly comprising such a semiconductor chip28 Sep 2023US 2023/0305913 A1Vitesco Technologies GmbH
- Watchdog circuitry of a surgical robot arm15 Jun 2023US 2023/0185278 A1Cmr Surgical Limited
- System and method for controlling a latching relay failsafe16 Feb 2023US 2023/0048352 A1Parker-Hannifin Corporation
- Functional safety techniques for industrial automation devices4 Aug 2022US 2022/0247165 A1Rockwell Automation Technologies, Inc.
Most cited
By later US patents
- Slave processor for controlling environments178US 4,740,882 AEnvironmental Computer Systems, Inc. · 1988
- Control unit for vehicle and total control system therefor100US 5,794,165 AHitachi, Ltd. · 1998
- Control unit for vehicle and total control system therefor87US 6,009,370 AHitachi, Ltd. · 1999
- Multitasking industrial controller56US 5,636,124 AAllen-Bradley Company, Inc. · 1997
- Control unit for vehicle and total control system therefor56US 5,638,272 AHitachi, Ltd. · 1997