G06F 2221/2143
Clearing memory
Official title: Clearing memory, e.g. to prevent the data from being stolen
G06F2221/2143 (Clearing memory) appears on 1,671 US grants and 1,931 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,671
- Published applications
- 1,931
- Assignees
- 712
- Inventors
- 3,786
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 7 |
| 2002 | 5 | 21 |
| 2003 | 7 | 31 |
| 2004 | 11 | 34 |
| 2005 | 8 | 48 |
| 2006 | 25 | 80 |
| 2007 | 33 | 75 |
| 2008 | 27 | 80 |
| 2009 | 29 | 86 |
| 2010 | 61 | 85 |
| 2011 | 62 | 75 |
| 2012 | 86 | 76 |
| 2013 | 78 | 82 |
| 2014 | 127 | 148 |
| 2015 | 121 | 103 |
| 2016 | 110 | 94 |
| 2017 | 95 | 87 |
| 2018 | 72 | 95 |
| 2019 | 103 | 93 |
| 2020 | 89 | 108 |
| 2021 | 90 | 115 |
| 2022 | 103 | 90 |
| 2023 | 87 | 86 |
| 2024 | 72 | 54 |
| 2025 | 73 | 49 |
| 2026 | 38 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data privacy and security in smart devices29 Sep 2026US 12,748,887 B2Privacy4Cars, Inc.
- Data privacy and security in vehicles29 Sep 2026US 12,748,888 B1Privacy4Cars, Inc.
- Tamper proof transportation device22 Sep 2026US 12,743,559 B2University of Hertfordshire Higher Education Corporation
- Techniques for time-controlled user data privacy8 Sep 2026US 12,730,933 B2Telefonaktiebolaget LM Ericsson (publ)
- System and method to permanently erase customer personal information from mobile device1 Sep 2026US 12,724,919 B2Communications Test Design, Inc.
- Reflected distributed data access13 Aug 2026US 2026/0236594 A1Collibra Belgium BV
- Data erasure method, information processing system, and information processing apparatus25 Jun 2026US 2026/0178749 A1Lenovo Japan LLC
- Low cost and low latency logical unit erase28 May 2026US 2026/0147717 A1Lodestar Licensing Group LLC
- Secure data erasure framework using individualized encryption key management21 May 2026US 2026/0141108 A1Paypal, Inc.
- Device, a Key Card and a Method for Deleting a Shared Digital Key from a Key Card23 Apr 2026US 2026/0109321 A1Bayerische Motoren Werke Aktiengesellschaft
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
- Tamper resistant module with logical elements arranged on a substrate to protect information stored in the same module1,198US 5,309,387 A1994
- System for controlling access and distribution of digital property1,018US 5,933,498 AMRJ, Inc. · 1999
- System for controlling access and distribution of digital property681US 6,314,409 B1Veridian Information Solutions, Inc. · 2001
- Distributed security auditing subsystem for an operating system451US 5,032,979 AInternational Business Machines Corporation · 1991