G07C 2009/0042
The transmitted data signal containing a code which is changed
Official title: {the transmitted data signal containing a code which is changed}
G07C2009/0042 (The transmitted data signal containing a code which is changed) appears on 298 US grants and 302 published applications in this corpus.
Search patents in G07C- Granted patents
- 298
- Published applications
- 302
- Assignees
- 177
- Inventors
- 613
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 3 |
| 2003 | 4 | 7 |
| 2004 | 1 | 5 |
| 2005 | 3 | 4 |
| 2006 | 8 | 4 |
| 2007 | 3 | 3 |
| 2008 | 0 | 6 |
| 2009 | 2 | 3 |
| 2010 | 3 | 2 |
| 2011 | 0 | 5 |
| 2012 | 4 | 4 |
| 2013 | 4 | 2 |
| 2014 | 4 | 8 |
| 2015 | 6 | 5 |
| 2016 | 6 | 17 |
| 2017 | 12 | 13 |
| 2018 | 12 | 12 |
| 2019 | 23 | 43 |
| 2020 | 40 | 33 |
| 2021 | 26 | 31 |
| 2022 | 23 | 29 |
| 2023 | 30 | 19 |
| 2024 | 13 | 16 |
| 2025 | 25 | 14 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System, method and apparatus for multi-vendor rolling code keyless entry and for identifying and storing key information and creating duplicate keys and remote entry devices1 Sep 2026US 12,725,476 B2iKeyless, LLC
- Key safe and key access systems5 May 2026US 12,620,282 B2Cona International Pty Ltd
- Rolling code based point of access system for event tickets stored in mobile access devices21 Apr 2026US 12,608,659 B2DENSO International America, Inc.
- Method and apparatus to facilitate transmission of an encrypted rolling code17 Feb 2026US 12,556,387 B2The Chamberlain Group, Inc.
- PACS modification to incorporate LACS authentication17 Feb 2026US 12,556,527 B2Assa Abloy AB
- Disc collection and return system and methods performing the same20 Aug 2026US 2026/0245414 A1
- Electronic access control16 Jul 2026US 2026/0204113 A1LockFOB, LLC
- Locker management method, electronic device and computer readable storage medium2 Jul 2026US 2026/0188066 A1Nanning FuLian FuGui Precision Industrial Co., Ltd.
- Packaging system for an article including an electronic key18 Jun 2026US 2026/0170894 A1Vortal
- Method and system for area access using distributed keys11 Jun 2026US 2026/0162481 A1Capital One Services, LLC
Most cited
By later US patents
- Electronic access control system321US 9,965,911 B2Capital One Services, LLC · 2018
- Transponder for remote keyless entry systems234US 6,323,566 B1Texas Instruments Incorported · 2001
- Electronic security system228US 5,745,044 AMedeco Security Locks, Inc. · 1998
- Electronic locking device having key and lock parts interacting via electrical pulses194US 4,509,093 AHulsbeck & Furst GmbH & Co. KG · 1985
- Method of secure remote access169US 5,144,667 ADelco Electronics Corporation · 1992