G07C 9/21
Having a variable access code
Official title: having a variable access code
G07C9/21 (Having a variable access code) appears on 414 US grants and 405 published applications in this corpus.
Search patents in G07C- Granted patents
- 414
- Published applications
- 405
- Assignees
- 238
- Inventors
- 764
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 6 |
| 2003 | 3 | 15 |
| 2004 | 5 | 12 |
| 2005 | 3 | 2 |
| 2006 | 7 | 8 |
| 2007 | 6 | 8 |
| 2008 | 1 | 8 |
| 2009 | 4 | 6 |
| 2010 | 4 | 3 |
| 2011 | 7 | 4 |
| 2012 | 3 | 20 |
| 2013 | 4 | 11 |
| 2014 | 13 | 5 |
| 2015 | 13 | 30 |
| 2016 | 15 | 8 |
| 2017 | 10 | 25 |
| 2018 | 25 | 29 |
| 2019 | 23 | 41 |
| 2020 | 35 | 39 |
| 2021 | 30 | 30 |
| 2022 | 23 | 32 |
| 2023 | 36 | 18 |
| 2024 | 15 | 16 |
| 2025 | 19 | 19 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Locker apparatus15 Sep 2026US 12,738,122 B2Tokai Riken Co., Ltd.
- Physical access control systems with localization-based intent detection15 Sep 2026US 12,739,636 B2Assa Abloy AB
- Image based contactless instructions for an electronic monitoring system11 Aug 2026US 12,705,445 B2Arlo Technologies, Inc.
- Officer identity verification during a lockdown situation14 Jul 2026US 12,682,709 B2Motorola Solutions, Inc.
- Intelligent access control system14 Jul 2026US 12,682,711 B2International Business Machines Corporation
- Methods and systems for creating and controlling use of transaction keys23 Jul 2026US 2026/0212347 A1Vaiu Global, Inc.
- Method for projecting a light pattern into the surroundings of a vehicle, and access control system25 Jun 2026US 2026/0175772 A1Mercedes-Benz Group AG
- Smart card authentication system18 Jun 2026US 2026/0170183 A1Genetec Inc.
- Image Based Contactless Instructions for an Electronic Monitoring System16 Apr 2026US 2026/0105272 A1Arlo Technologies, Inc.
- Systems and methods for restricted resource access management19 Mar 2026US 2026/0081914 A1
Most cited
By later US patents
- Biometric token for authorizing access to a host system859US 5,280,527 AKamahira Safe Co., Inc. · 1994
- Personal security system498US 5,361,062 ASecurity Dynamics Technologies, Inc. · 1994
- Fraud protection for card transactions441US 5,311,594 AAT&T Bell Laboratories · 1994
- Electronic access control system321US 9,965,911 B2Capital One Services, LLC · 2018
- Patient treatment method310US 4,476,381 A1984