G08B 13/1895
Using light change detection systems
Official title: {using light change detection systems (G08B13/194 takes precedence)}
G08B13/1895 (Using light change detection systems) appears on 72 US grants and 77 published applications in this corpus.
Search patents in G08B- Granted patents
- 72
- Published applications
- 77
- Assignees
- 36
- Inventors
- 119
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 4 |
| 2015 | 1 | 5 |
| 2016 | 4 | 7 |
| 2017 | 8 | 3 |
| 2018 | 4 | 6 |
| 2019 | 9 | 11 |
| 2020 | 4 | 5 |
| 2021 | 7 | 7 |
| 2022 | 7 | 4 |
| 2023 | 3 | 8 |
| 2024 | 2 | 3 |
| 2025 | 6 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method to detect device during ambient sensors24 Feb 2026US 12,562,040 B2Bank of America Corporation
- Systems and methods for monitoring remote installations2 Dec 2025US 12,487,184 B2Rebellion Photonics, Inc.
- Anti-theft device with remote alarm feature20 May 2025US 12,307,865 B2Fasteners for Retail, Inc.
- Motion detection13 May 2025US 12,300,080 B2SimpliSafe, Inc.
- System for detecting and alerting intrusion into a protected area with a mechanism to decipher between authorized and unauthorized access1 Apr 2025US 12,266,247 B1
- Systems and methods for monitoring remote installations5 Mar 2026US 2026/0063567 A1Rebellion Photonics, Inc.
- Motion detection10 Jul 2025US 2025/0225849 A1SimpliSafe, Inc.
- Thin film transistor based light sensor10 Jul 2025US 2025/0228039 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Anti-theft device with remote alarm feature29 May 2025US 2025/0174098 A1Fasteners for Retail, Inc.
- System and method to detect device tampering during transit using ambient sensors3 Apr 2025US 2025/0111762 A1Bank of America Corporation
Most cited
By later US patents
- Alarm with remote monitor and delay timer227US 7,075,429 B22006
- Two-level LED security light with motion sensor54US 8,866,392 B22014
- Fire and intruder detection and alarm apparatus38US 4,052,716 A1977
- Photosensitive alarm systems36US 4,242,670 A1980
- Anti-theft device with remote alarm feature19US 10,885,753 B2Fasteners for Retail, Inc. · 2021