G08B 13/24
By interference with electromagnetic field distribution
Official title: by interference with electromagnetic field distribution
G08B13/24 (By interference with electromagnetic field distribution) appears on 4,078 US grants and 3,598 published applications in this corpus.
Search patents in G08B- Granted patents
- 4,078
- Published applications
- 3,598
- Assignees
- 1,461
- Inventors
- 5,599
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 10 | 0 |
| 1978 | 16 | 0 |
| 1979 | 14 | 0 |
| 1980 | 14 | 0 |
| 1981 | 18 | 0 |
| 1982 | 13 | 0 |
| 1983 | 8 | 0 |
| 1984 | 10 | 0 |
| 1985 | 22 | 0 |
| 1986 | 25 | 0 |
| 1987 | 49 | 0 |
| 1988 | 30 | 0 |
| 1989 | 45 | 0 |
| 1990 | 24 | 0 |
| 1991 | 50 | 0 |
| 1992 | 40 | 0 |
| 1993 | 41 | 0 |
| 1994 | 41 | 0 |
| 1995 | 42 | 0 |
| 1996 | 52 | 0 |
| 1997 | 50 | 0 |
| 1998 | 84 | 0 |
| 1999 | 84 | 0 |
| 2000 | 85 | 0 |
| 2001 | 98 | 24 |
| 2002 | 74 | 97 |
| 2003 | 67 | 104 |
| 2004 | 89 | 135 |
| 2005 | 73 | 193 |
| 2006 | 159 | 200 |
| 2007 | 118 | 216 |
| 2008 | 139 | 229 |
| 2009 | 125 | 152 |
| 2010 | 135 | 144 |
| 2011 | 115 | 91 |
| 2012 | 120 | 105 |
| 2013 | 120 | 120 |
| 2014 | 109 | 117 |
| 2015 | 111 | 148 |
| 2016 | 158 | 169 |
| 2017 | 157 | 224 |
| 2018 | 203 | 188 |
| 2019 | 202 | 169 |
| 2020 | 159 | 171 |
| 2021 | 150 | 192 |
| 2022 | 155 | 131 |
| 2023 | 127 | 99 |
| 2024 | 103 | 92 |
| 2025 | 82 | 48 |
| 2026 | 51 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Security systems and methods for detecting hazards using smart sensors29 Sep 2026US 12,749,384 B2State Farm Mutual Automobile Insurance Company
- Detecting falls using a mobile device29 Sep 2026US 12,749,386 B2Apple Inc.
- Proactive loss prevention system22 Sep 2026US 12,743,939 B2Inpixon
- Tracking system15 Sep 2026US 12,738,135 B2Ricoh Company, Ltd.
- High security device for monitoring a door, compartment or other covered opening1 Sep 2026US 12,725,499 B2Aerosens LLC
- Anti-theft retail merchandise hook with radio transmission8 Oct 2026US 2026/0311580 A1Fasteners for Retail, Inc.
- Asset tracking system8 Oct 2026US 2026/0311581 A1
- Providing safety and environmental features using human presence detection3 Sep 2026US 2026/0261980 A1Roku, Inc.
- Notification device, notification system, notification method, and recording medium20 Aug 2026US 2026/0245442 A1NEC Corporation
- Systems and Methods for Classification of Radiation Energy Spectra20 Aug 2026US 2026/0245668 A1Rapiscan Holdings, Inc.
Most cited
By later US patents
- Deactivateable security tag1,541US 5,574,431 ACheckpoint Systems, Inc. · 1996
- Transponder arrangement613US 5,053,774 ATexas Instruments Deutschland GmbH · 1991
- Bar code symbol reading system employing EAS-enabling faceplate bezel557US 8,381,979 B2Metrologic Instruments, Inc. · 2013
- Location position system for relay assisted tracking532US 6,512,478 B1Rockwell Technologies, LLC · 2003
- Decommissioning an electronic data tag532US 7,336,183 B2Kimberly-Clark Worldwide, Inc. · 2008