G08B 21/18
Status alarms
Official title: Status alarms (G08B21/02 takes precedence)
G08B21/18 (Status alarms) appears on 9,806 US grants and 11,356 published applications in this corpus.
Search patents in G08B- Granted patents
- 9,806
- Published applications
- 11,356
- Assignees
- 4,003
- Inventors
- 20,370
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 7 | 0 |
| 1980 | 18 | 0 |
| 1981 | 19 | 0 |
| 1982 | 7 | 0 |
| 1983 | 19 | 0 |
| 1984 | 17 | 0 |
| 1985 | 29 | 0 |
| 1986 | 22 | 0 |
| 1987 | 44 | 0 |
| 1988 | 23 | 0 |
| 1989 | 36 | 0 |
| 1990 | 37 | 0 |
| 1991 | 44 | 0 |
| 1992 | 35 | 0 |
| 1993 | 34 | 0 |
| 1994 | 41 | 0 |
| 1995 | 21 | 0 |
| 1996 | 23 | 0 |
| 1997 | 45 | 0 |
| 1998 | 27 | 0 |
| 1999 | 49 | 0 |
| 2000 | 50 | 0 |
| 2001 | 51 | 16 |
| 2002 | 41 | 48 |
| 2003 | 33 | 74 |
| 2004 | 52 | 82 |
| 2005 | 61 | 115 |
| 2006 | 88 | 134 |
| 2007 | 57 | 120 |
| 2008 | 65 | 147 |
| 2009 | 75 | 138 |
| 2010 | 81 | 149 |
| 2011 | 85 | 173 |
| 2012 | 103 | 182 |
| 2013 | 174 | 264 |
| 2014 | 214 | 472 |
| 2015 | 313 | 559 |
| 2016 | 436 | 711 |
| 2017 | 651 | 887 |
| 2018 | 777 | 833 |
| 2019 | 840 | 926 |
| 2020 | 909 | 933 |
| 2021 | 781 | 929 |
| 2022 | 761 | 983 |
| 2023 | 770 | 752 |
| 2024 | 707 | 706 |
| 2025 | 623 | 590 |
| 2026 | 374 | 433 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Actual machine management device, and actual machine management system6 Oct 2026US 12,753,580 B2Kobelco Construction Machinery Co., Ltd.
- Voice-triggered intelligent safety device/system6 Oct 2026US 12,755,625 B2Hitachi, Ltd.
- Ion pump monitored vacuum interrupter6 Oct 2026US 12,755,626 B2Southern States, LLC
- Device for displaying in response to a sensed motion6 Oct 2026US 12,756,232 B2May Patents Ltd.
- Auto-compensation-type guide device for moving coil of large-scale vibration table and operation method thereof29 Sep 2026US 12,747,783 B2China University of Mining and Technology
- Controller for a milking plant, computer-implemented method, computer program and non-volatile data carrier8 Oct 2026US 2026/0305564 A1DeLaval Holding AB
- Anti-theft pusher with incremental distance detection8 Oct 2026US 2026/0305842 A1Fasteners for Retail, Inc.
- Fire extinguisher pin pull sensor8 Oct 2026US 2026/0306887 A1BCAI Solutions Pty Ltd
- Detection of damage to components within an electrolyzer stack during operation8 Oct 2026US 2026/0308789 A1Fourier Earth, Inc.
- Water detection, distribution and monitoring system8 Oct 2026US 2026/0308893 A1Ocean Park Mechanical Inc
Most cited
By later US patents
- Surgical instrument having a feedback system2,578US 8,708,213 B2Ethicon Endo-Surgery, Inc. · 2014
- Surgical instrument having a feedback system1,158US 9,743,928 B2Ethicon Endo-Surgery, Inc. · 2017
- Cellular position locating system1,021US 5,043,736 ACAE-Link Corporation · 1991
- Patient safety system with automatically adjusting bed794US 8,723,677 B1Masimo Corporation · 2014
- Reprogrammable remote sensor monitoring system789US 5,959,529 A1999