Y10T 70/7441
Key
Y10T70/7441 (Key) appears on 3,487 US grants and 1,477 published applications in this corpus.
Search patents in Y10T- Granted patents
- 3,487
- Published applications
- 1,477
- Assignees
- 1,030
- Inventors
- 3,739
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 78 | 0 |
| 1977 | 71 | 0 |
| 1978 | 101 | 0 |
| 1979 | 45 | 0 |
| 1980 | 72 | 0 |
| 1981 | 60 | 0 |
| 1982 | 61 | 0 |
| 1983 | 70 | 0 |
| 1984 | 74 | 0 |
| 1985 | 71 | 0 |
| 1986 | 85 | 0 |
| 1987 | 106 | 0 |
| 1988 | 74 | 0 |
| 1989 | 90 | 0 |
| 1990 | 87 | 0 |
| 1991 | 83 | 0 |
| 1992 | 68 | 0 |
| 1993 | 83 | 0 |
| 1994 | 66 | 0 |
| 1995 | 80 | 0 |
| 1996 | 81 | 0 |
| 1997 | 84 | 0 |
| 1998 | 125 | 0 |
| 1999 | 90 | 0 |
| 2000 | 92 | 0 |
| 2001 | 68 | 18 |
| 2002 | 83 | 65 |
| 2003 | 117 | 83 |
| 2004 | 83 | 88 |
| 2005 | 85 | 126 |
| 2006 | 71 | 86 |
| 2007 | 67 | 94 |
| 2008 | 91 | 145 |
| 2009 | 71 | 127 |
| 2010 | 80 | 105 |
| 2011 | 103 | 117 |
| 2012 | 109 | 93 |
| 2013 | 101 | 87 |
| 2014 | 132 | 97 |
| 2015 | 77 | 83 |
| 2016 | 66 | 21 |
| 2017 | 41 | 9 |
| 2018 | 16 | 9 |
| 2019 | 9 | 4 |
| 2020 | 11 | 5 |
| 2021 | 1 | 8 |
| 2022 | 1 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- Y10T 70/7486Single key1,966
- Y10T 70/7915Tampering prevention or attack defeating1,243
- Y10T 70/778Operating elements930
- Y10T 70/7446Multiple keys200
- Y10T 70/7729Permutation200
- Y10T 70/7751With ball or roller169
- Y10T 70/7768Key-removal preventing122
- Y10T 70/7757Push or pull key operation80
All 10 subgroupsShow fewer
Recent patents
- Status-indicating lock assembly28 Jul 2026US 12,692,723 B2Schlage Lock Company LLC
- Electronic door with key-in-lever feature28 Oct 2025US 12,454,847 B2Schlage Lock Company LLC
- Status-indicating cylindrical lock assembly23 Apr 2024US 11,965,361 B2Schlage Lock Company LLC
- Cabinet lock for use with programmable electronic key30 Jan 2024US 11,885,155 B2InVue Security Products Inc.
- Electronic door with key-in-lever feature29 Aug 2023US 11,739,561 B2Schlage Lock Company LLC
- Status-indicating cylindrical lock assembly20 Feb 2025US 2025/0059800 A1Schlage Lock Company LLC
- Electronic door with key-in-lever feature25 Jul 2024US 2024/0247518 A1Schlage Lock Company LLC
- Keyless Insertion Locking System and Method18 Jul 2024US 2024/0240494 A1DeWalch Technologies, Inc.
- Cabinet lock for use with programmable electronic key18 Apr 2024US 2024/0125148 A1InVue Security Products Inc.
- Disk Tumbler Lock and an Improved Key and Restrictive Keyway28 Sep 2023US 2023/0304322 A1DeWalch Technologies, Inc.
Most cited
By later US patents
- Access control system with mechanical keys which store data388US 5,245,329 ASecurity People, Inc. · 1993
- Electronic key, especially for motor vehicles208US 6,553,802 B1Huf Hülsbeck & Fürst GmbH & Co. KG · 2003
- Lock cylinder with integrated electromagnetic locking system168US 4,603,564 ABauer Kaba AG · 1986
- Locking mechanism for a drug delivery system146US 4,565,542 ADeltec Systems, Inc. · 1986
- Computer equipment lock137US 5,327,752 AKensington Microwave Limited · 1994