B60C 23/0449
Passive transducers
Official title: {Passive transducers, e.g. using surface acoustic waves, backscatter technology or pressure sensitive resonators (near field passive transducers B60C23/0428)}
B60C23/0449 (Passive transducers) appears on 45 US grants and 56 published applications in this corpus.
Search patents in B60C- Granted patents
- 45
- Published applications
- 56
- Assignees
- 26
- Inventors
- 84
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 5 |
| 2006 | 4 | 2 |
| 2007 | 2 | 6 |
| 2008 | 2 | 5 |
| 2009 | 3 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 4 | 3 |
| 2019 | 1 | 0 |
| 2020 | 3 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 5 |
| 2024 | 3 | 2 |
| 2025 | 6 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure based wireless sensor and applications thereof19 Aug 2025US 12,391,076 B2RFMicron, Inc.
- Leaky coaxial resonant sensor systems and methods27 May 2025US 12,313,570 B2Lyten, Inc.
- Frequency selective metamaterial for protective enclosures27 May 2025US 12,317,466 B2Lyten, Inc.
- System for managing tire pressures of a vehicle13 May 2025US 12,296,625 B2Airdial Pty Ltd.
- Water droplet sensing systems and methods8 Apr 2025US 12,270,785 B2Lyten, Inc.
- Deployable environmental sensing device with analyte detection capabilities16 Apr 2026US 2026/0104321 A1Lyten, Inc.
- Sensors incorporated into adhesive material12 Jun 2025US 2025/0189490 A1Lyten, Inc.
- Field deployable resonant sensors6 Mar 2025US 2025/0076154 A1Lyten, Inc.
- Frequency selective metamaterial for protective enclosures9 Jan 2025US 2025/0016970 A1Lyten, Inc.
- Field deployable resonant sensors8 Aug 2024US 2024/0264043 A1Lyten, Inc.
Most cited
By later US patents
- Wireless and powerless sensor and interrogator645US 6,988,026 B2Automotive Technologies International, Inc. · 2006
- Telematics system for vehicle diagnostics519US 6,738,697 B2Automotive Technologies International, Inc. · 2004
- System for obtaining vehicular information260US 7,421,321 B2Automotive Technologies International, Inc. · 2008
- Vehicle wireless sensing and communication system254US 6,662,642 B2Automotive Technologies International, Inc. · 2003
- Condition monitoring system (tire pressure)213US 4,450,431 A1984