H01H 2239/032
Anti-tamper
H01H2239/032 (Anti-tamper) appears on 86 US grants and 66 published applications in this corpus.
Search patents in H01H- Granted patents
- 86
- Published applications
- 66
- Assignees
- 61
- Inventors
- 179
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 3 | 1 |
| 2006 | 3 | 2 |
| 2007 | 3 | 5 |
| 2008 | 3 | 5 |
| 2009 | 1 | 2 |
| 2010 | 4 | 6 |
| 2011 | 0 | 4 |
| 2012 | 3 | 3 |
| 2013 | 5 | 3 |
| 2014 | 4 | 4 |
| 2015 | 2 | 1 |
| 2016 | 5 | 5 |
| 2017 | 5 | 2 |
| 2018 | 4 | 4 |
| 2019 | 2 | 3 |
| 2020 | 3 | 5 |
| 2021 | 5 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Watermark for manufacturing authenticity20 May 2025US 12,306,925 B2Hewlett Packard Enterprise Development LP
- Cover for an electronic payment terminal, corresponding electronic payment terminal27 Feb 2024US 11,915,564 B2Ingenico Group
- Display cover apparatus for a push button switch28 Nov 2023US 11,830,682 B1
- Watermark for manufacturing authenticity9 Aug 2022US 11,409,859 B2Hewlett Packard Enterprise Development LP
- Keyboard for secure data entry2 Aug 2022US 11,406,051 B2Microchip Technology Incorporated
- Systems and methods for endoscopic navigation and bookmarking18 Jun 2026US 2026/0168038 A1Verily Life Sciences LLC
- Watermark for manufacturing authenticity27 Oct 2022US 2022/0342978 A1Hewlett Packard Enterprise Development LP
- Apparatuses and Methods for Restraining a Lighting Fixture Selector26 Aug 2021US 2021/0262649 A1RAB Lighting Inc.
- Locking an enclosed switch, a bus plug or a panelboard switch4 Mar 2021US 2021/0066015 A1Siemens Industry, Inc.
- Watermark for manufacturing authenticity25 Feb 2021US 2021/0056191 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- Tamper resistant pin entry apparatus1,151US 7,238,901 B2Nautilus Hyosung Inc. · 2007
- Anti-tampering enclosure for electronic circuitry166US 6,853,093 B2Lipman Electronic Engineering Ltd. · 2005
- Detecting apparatus, input apparatus, pointing device, individual identification apparatus, and recording medium162US 6,657,614 B1Fuji Xerox Co., Ltd. · 2003
- Key switch with controllable illumination67US 4,812,831 AAMP Incorporated · 1989
- Point of sale (POS) terminal security system61US 6,646,565 B1Hewlett-Packard Development Company, L. P. · 2003