G07C 2009/00253
Dynamically
Official title: {dynamically, e.g. variable code - rolling code}
G07C2009/00253 (Dynamically) appears on 118 US grants and 76 published applications in this corpus.
Search patents in G07C- Granted patents
- 118
- Published applications
- 76
- Assignees
- 64
- Inventors
- 165
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 5 |
| 2003 | 0 | 4 |
| 2004 | 2 | 5 |
| 2005 | 4 | 2 |
| 2006 | 4 | 1 |
| 2007 | 0 | 4 |
| 2008 | 2 | 4 |
| 2009 | 5 | 4 |
| 2010 | 1 | 0 |
| 2011 | 2 | 3 |
| 2012 | 4 | 2 |
| 2013 | 4 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 4 |
| 2016 | 2 | 2 |
| 2017 | 1 | 3 |
| 2018 | 4 | 0 |
| 2019 | 3 | 5 |
| 2020 | 4 | 2 |
| 2021 | 6 | 4 |
| 2022 | 1 | 5 |
| 2023 | 5 | 7 |
| 2024 | 5 | 3 |
| 2025 | 4 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Server device, method, and program28 Jul 2026US 12,694,737 B2Bitkey Inc.
- Method and apparatus to facilitate transmission of an encrypted rolling code17 Feb 2026US 12,556,387 B2The Chamberlain Group, Inc.
- Vehicular digital key system, vehicular digital key management method, vehicular device, and mobile terminal25 Nov 2025US 12,479,400 B2Denso Corporation
- Multi-channel signaling for a barrier operator system11 Nov 2025US 12,469,346 B2GMI Holdings, Inc.
- Theft deterring product display16 Sep 2025US 12,417,661 B2Darko Company, Inc.
- Multi-channel signaling for a barrier operator system26 Feb 2026US 2026/0057718 A1GMI Holdings, Inc.
- Multi-channel signaling for a barrier operator system5 Jun 2025US 2025/0182546 A1GMI Holdings, Inc.
- Server Device, Method, And Program6 Feb 2025US 2025/0046138 A1Bitkey Inc.
- Messaging systems23 Jan 2025US 2025/0029439 A1
- Vehicular digital key system, vehicular digital key management method, vehicular device, and mobile terminal11 Jul 2024US 2024/0227730 A1Denso Corporation
Most cited
By later US patents
- Pseudorandom number generation and cryptographic authentication456US 5,363,448 AUnited Technologies Automotive, Inc. · 1994
- Method and apparatus for inhibiting unauthorized access to or utilization of a protected device356US 6,130,621 ARSA Security Inc. · 2000
- Security system having randomized synchronization code after power up274US 5,680,131 ANational Semiconductor Corporation · 1997
- Trainable transceiver capable of learning variable codes236US 5,661,804 APrince Corporation · 1997
- Secure communications in a wireless system146US 6,026,165 APittway Corporation · 2000