G01S 15/523
For presence detection
Official title: {for presence detection (burglar, theft or intruder alarms G08B13/00, e.g. G08B13/16)}
G01S15/523 (For presence detection) appears on 140 US grants and 104 published applications in this corpus.
Search patents in G01S- Granted patents
- 140
- Published applications
- 104
- Assignees
- 112
- Inventors
- 300
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 2 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 6 |
| 2014 | 4 | 5 |
| 2015 | 4 | 3 |
| 2016 | 6 | 6 |
| 2017 | 5 | 6 |
| 2018 | 7 | 7 |
| 2019 | 4 | 4 |
| 2020 | 7 | 6 |
| 2021 | 9 | 8 |
| 2022 | 4 | 7 |
| 2023 | 9 | 8 |
| 2024 | 11 | 12 |
| 2025 | 11 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Presence detection14 Jul 2026US 12,681,173 B2Elliptic Laboratories ASA
- Displacement detection device and method24 Mar 2026US 12,585,013 B2Murata Manufacturing Co., Ltd.
- Sonar method for detecting and/or determining the position and/or speed of objects underwater in a specified region, sonar assembly, and receiving unit10 Mar 2026US 12,571,911 B2Christian-Albrechts-Universitaet zu Kiel
- Systems and methods for preserving data and human confidentiality during feature identification by robotic devices13 Jan 2026US 12,524,016 B2Brain Corporation
- Human presence detection23 Dec 2025US 12,504,805 B2Elliptic Laboratories ASA
- Environmental sensing based on audio equipment16 Jul 2026US 2026/0205754 A1Dolby International AB
- Information processing method, information processing device, and recording medium28 May 2026US 2026/0147116 A1Panasonic Intellectual Property Management Co., Ltd.
- Method and system for identifying a stationary target with ultrasound22 May 2025US 2025/0164638 A1InvenSense, Inc.
- Improved presence detection20 Feb 2025US 2025/0060480 A1Elliptic Laboratories ASA
- Object detection circuitry12 Dec 2024US 2024/0411019 A1Cirrus Logic International Semiconductor Ltd.
Most cited
By later US patents
- Automotive occupant sensor system and method of operation by sensor fusion226US 5,482,314 AAerojet-General Corporation · 1996
- Automatic flow-control device130US 4,839,039 ARecurrent Solutions Limited Partnership · 1989
- System and method for detecting objects in vehicular compartments103US 7,477,758 B2Automotive Technologies International, Inc. · 2009
- Methods of occupancy state determination and computer programs89US 5,890,085 ARobert Bosch GmbH · 1999
- Surveillance system in which a reflected signal pattern is compared to a reference pattern80US 4,382,291 ASecom Co., Ltd. · 1983