G06F 2221/2147
Locking files
G06F2221/2147 (Locking files) appears on 535 US grants and 588 published applications in this corpus.
Search patents in G06F- Granted patents
- 535
- Published applications
- 588
- Assignees
- 295
- Inventors
- 1,240
- Latest grant
- 18 Aug 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 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 8 |
| 2003 | 4 | 10 |
| 2004 | 3 | 19 |
| 2005 | 3 | 15 |
| 2006 | 4 | 17 |
| 2007 | 15 | 25 |
| 2008 | 5 | 28 |
| 2009 | 14 | 28 |
| 2010 | 26 | 44 |
| 2011 | 24 | 44 |
| 2012 | 34 | 24 |
| 2013 | 44 | 45 |
| 2014 | 48 | 37 |
| 2015 | 39 | 37 |
| 2016 | 30 | 35 |
| 2017 | 36 | 50 |
| 2018 | 29 | 19 |
| 2019 | 26 | 21 |
| 2020 | 23 | 13 |
| 2021 | 15 | 15 |
| 2022 | 23 | 17 |
| 2023 | 21 | 18 |
| 2024 | 13 | 11 |
| 2025 | 12 | 3 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sovereign data center staging area18 Aug 2026US 12,711,261 B2Oracle International Corporation
- Validating parameters on discrete computing applications to grant access control to content or commands16 Jun 2026US 12,659,552 B2Touchstream Technologies, Inc.
- Computer-implemented method and computer program product for the access control of a terminal14 Apr 2026US 12,602,493 B2Pp Corporate AG
- Electronic briefcases for inmate documents24 Mar 2026US 12,585,811 B1Confinement Telephony Technology, LLC
- Sovereign data center incoming data management10 Feb 2026US 12,547,752 B2Oracle International Corporation
- Validating parameters on discrete computing applications to grant access control to content or commands24 Sep 2026US 2026/0292311 A1Touchstream Technologies, Inc.
- Document creation and management system2 Jul 2026US 2026/0187263 A1Atlassian Pty Ltd.
- Sovereign data center incoming data management21 May 2026US 2026/0141100 A1Oracle International Corporation
- Block or page lock features in serial interface memory9 Oct 2025US 2025/0315386 A1Lodestar Licensing Group LLC
- Managing resource locks within a cloud environment of a first cloud service provider offering a cloud service to a second cloud service provider5 Jun 2025US 2025/0181736 A1Oracle International Corporation
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection3,563US 5,892,900 AIntertrust Technologies Corporation · 1999
- Data security system and method1,443US 7,103,915 B2Digital Doors, Inc. · 2006
- Filters in license management system780US 5,260,999 ADigital Equipment Corporation · 1993
- Public key/signature cryptosystem with enhanced digital signature certification510US 4,868,877 A1989
- Preauthorized wearable biometric device, system and method for use thereof481US 8,994,498 B2Bionym Inc. · 2015