G07C 9/28
The pass enabling tracking or indicating presence
Official title: the pass enabling tracking or indicating presence
G07C9/28 (The pass enabling tracking or indicating presence) appears on 2,554 US grants and 2,638 published applications in this corpus.
Search patents in G07C- Granted patents
- 2,554
- Published applications
- 2,638
- Assignees
- 1,173
- Inventors
- 4,679
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 9 | 0 |
| 1987 | 17 | 0 |
| 1988 | 12 | 0 |
| 1989 | 24 | 0 |
| 1990 | 21 | 0 |
| 1991 | 16 | 0 |
| 1992 | 28 | 0 |
| 1993 | 24 | 0 |
| 1994 | 16 | 0 |
| 1995 | 31 | 0 |
| 1996 | 26 | 0 |
| 1997 | 26 | 0 |
| 1998 | 25 | 0 |
| 1999 | 41 | 0 |
| 2000 | 29 | 0 |
| 2001 | 25 | 8 |
| 2002 | 30 | 63 |
| 2003 | 26 | 57 |
| 2004 | 32 | 88 |
| 2005 | 33 | 97 |
| 2006 | 64 | 106 |
| 2007 | 57 | 94 |
| 2008 | 43 | 101 |
| 2009 | 54 | 81 |
| 2010 | 64 | 71 |
| 2011 | 63 | 53 |
| 2012 | 60 | 42 |
| 2013 | 55 | 59 |
| 2014 | 44 | 86 |
| 2015 | 71 | 156 |
| 2016 | 104 | 124 |
| 2017 | 133 | 141 |
| 2018 | 166 | 207 |
| 2019 | 176 | 198 |
| 2020 | 167 | 193 |
| 2021 | 152 | 157 |
| 2022 | 137 | 123 |
| 2023 | 140 | 110 |
| 2024 | 110 | 96 |
| 2025 | 87 | 80 |
| 2026 | 53 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for installing a plurality of door components22 Sep 2026US 12,743,919 B2Dormakaba Deutschland GmbH
- System and method for an electronic identity brokerage22 Sep 2026US 12,744,671 B2Royal Bank of Canada
- Physical access control systems with localization-based intent detection15 Sep 2026US 12,739,636 B2Assa Abloy AB
- Systems and methods for providing a size and/or shape discriminating lock1 Sep 2026US 12,725,478 B2
- Time and attendance system suitable for large or mobile work forces25 Aug 2026US 12,718,176 B2Alt 236 LLC
- Information processing apparatus, information processing method, and recording medium24 Sep 2026US 2026/0290021 A1NEC Corporation
- System and method for correlating radar-based motion tracking with bluetooth channel sounding for credential validation at access points24 Sep 2026US 2026/0290098 A1
- Systems and Methods for Providing Identity Information24 Sep 2026US 2026/0290103 A1Parallax ID, LLC
- Systems, methods, and devices for access control17 Sep 2026US 2026/0279113 A1Assa Abloy AB
- Systems, methods, and devices for access control17 Sep 2026US 2026/0279114 A1Assa Abloy AB
Most cited
By later US patents
- Information management and security system1,052US 5,629,981 ATexas Instruments Incorporated · 1997
- Patient care system886US 4,835,372 AClinCom Incorporated · 1989
- Adaptable electronic monitoring and identification system760US 4,952,928 AB. I. Incorporated · 1990
- Method and apparatus for locating and tracking documents and other objects681US 5,936,527 AE-Tag Systems, Inc. · 1999
- Location system adapted for use in multipath environments650US 5,119,104 A1992