G06F 1/3231
Monitoring the presence, absence or movement of users
G06F1/3231 (Monitoring the presence, absence or movement of users) appears on 1,785 US grants and 2,291 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,785
- Published applications
- 2,291
- Assignees
- 586
- Inventors
- 4,540
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 4 | 11 |
| 2003 | 7 | 14 |
| 2004 | 7 | 14 |
| 2005 | 6 | 16 |
| 2006 | 14 | 13 |
| 2007 | 9 | 14 |
| 2008 | 5 | 23 |
| 2009 | 7 | 24 |
| 2010 | 6 | 46 |
| 2011 | 13 | 50 |
| 2012 | 29 | 72 |
| 2013 | 37 | 88 |
| 2014 | 66 | 152 |
| 2015 | 94 | 152 |
| 2016 | 101 | 160 |
| 2017 | 134 | 152 |
| 2018 | 115 | 156 |
| 2019 | 147 | 159 |
| 2020 | 170 | 177 |
| 2021 | 153 | 162 |
| 2022 | 168 | 166 |
| 2023 | 149 | 150 |
| 2024 | 146 | 141 |
| 2025 | 114 | 101 |
| 2026 | 71 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Power-efficient processing of neuromuscular signals to confirm occurrences of user gestures, and systems and methods of use thereof1 Sep 2026US 12,724,491 B2Meta Platforms Technologies, LLC
- Secondary Display for a Shopping Cart8 Oct 2026US 2026/0307702 A1Maplebear Inc.
- Multiple Stage Network Microphone Device with Reduced Power Consumption and Processing Load1 Oct 2026US 2026/0299671 A1Sonos, Inc.
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Most cited
By later US patents
- Medicament delivery device with cap1,072US 9,295,784 B2Sanofi-Aventis Deutschland GmbH · 2016
- Using ambient light sensor to augment proximity sensor output691US 7,957,762 B2Apple Inc. · 2011
- System and method of use for a user interface dashboard of a heating, ventilation and air conditioning network414US 8,239,066 B2Lennox Industries Inc. · 2012
- Voice trigger for a digital assistant294US 10,199,051 B2Apple Inc. · 2019
- Method and apparatus using multiple sensors in a device with a display252US 7,289,102 B2Microsoft Corporation · 2007