H04K 3/84
Related to preventing electromagnetic interference in petrol station, hospital, plane or cinema
Official title: {related to preventing electromagnetic interference in petrol station, hospital, plane or cinema}
H04K3/84 (Related to preventing electromagnetic interference in petrol station, hospital, plane or cinema) appears on 102 US grants and 113 published applications in this corpus.
Search patents in H04K- Granted patents
- 102
- Published applications
- 113
- Assignees
- 62
- Inventors
- 231
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 3 |
| 2003 | 3 | 4 |
| 2004 | 3 | 4 |
| 2005 | 2 | 1 |
| 2006 | 4 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 5 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 2 | 4 |
| 2012 | 7 | 3 |
| 2013 | 3 | 9 |
| 2014 | 4 | 6 |
| 2015 | 3 | 5 |
| 2016 | 4 | 11 |
| 2017 | 8 | 10 |
| 2018 | 14 | 12 |
| 2019 | 9 | 5 |
| 2020 | 4 | 7 |
| 2021 | 5 | 6 |
| 2022 | 4 | 3 |
| 2023 | 4 | 1 |
| 2024 | 2 | 5 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Digital imaging system and method7 May 2024US 11,977,215 B2Hologic, Inc.
- Digital imaging system and method15 May 2025US 2025/0159394 A1Hologic, Inc.
- Game table reading system21 Nov 2024US 2024/0386775 A1Angel Group Co., Ltd.
- Interference signal sending method and apparatus, electronic device, and computer-readable storage medium8 Aug 2024US 2024/0267148 A1Zte Corporation
- Systems and methods for adaptive additive sound4 Jul 2024US 2024/0221717 A1Google Inc.
- Game table reading system11 Jan 2024US 2024/0013612 A1Angel Group Co., Ltd.
Most cited
By later US patents
- Method and apparatus for detecting radio-frequency weapon use231US 5,856,803 A1999
- Energy management system and method183US 6,290,140 B1EnergyIQ Systems, Inc. · 2001
- Method and apparatus for detecting a container proximate to a transportation vessel hold161US 6,281,797 B1Marconi Data Systems Inc. · 2001
- Automatic electronic device detection125US 6,765,492 B22004
- Automatic cell phone detection at a combustible delivery station123US 6,222,458 B12001