G01N 33/4972
Determining alcohol content
Official title: {Determining alcohol content (for vehicle safety devices B60K28/06)}
G01N33/4972 (Determining alcohol content) appears on 467 US grants and 539 published applications in this corpus.
Search patents in G01N- Granted patents
- 467
- Published applications
- 539
- Assignees
- 235
- Inventors
- 871
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 6 |
| 2004 | 4 | 8 |
| 2005 | 3 | 7 |
| 2006 | 2 | 16 |
| 2007 | 3 | 8 |
| 2008 | 7 | 14 |
| 2009 | 8 | 10 |
| 2010 | 8 | 14 |
| 2011 | 11 | 15 |
| 2012 | 11 | 16 |
| 2013 | 12 | 19 |
| 2014 | 17 | 29 |
| 2015 | 14 | 31 |
| 2016 | 22 | 38 |
| 2017 | 24 | 39 |
| 2018 | 22 | 33 |
| 2019 | 29 | 27 |
| 2020 | 18 | 37 |
| 2021 | 22 | 14 |
| 2022 | 18 | 32 |
| 2023 | 22 | 38 |
| 2024 | 23 | 36 |
| 2025 | 20 | 33 |
| 2026 | 18 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring system for use with mobile communication device6 Oct 2026US 12,755,624 B2
- Method and system for monitoring intoxication1 Sep 2026US 12,725,708 B2KHN Solutions, Inc.
- Sobriety monitoring systems and features related thereto11 Aug 2026US 12,702,324 B2Soberlink Healthcare, LLC
- Sensor system for passive in-vehicle breath alcohol estimation30 Jun 2026US 12,668,124 B2Automotive Coalition for Traffic Safety, Inc.
- Alcohol detection apparatus30 Jun 2026US 12,670,731 B2Subaru Corporation
- Device for sampling a gas, and gas measuring device for the qualitative or quantitative determination of a component in a breathing gas sample8 Oct 2026US 2026/0309698 A1Dräger Safety AG & Co. KGaA
- Alcohol measurement apparatus and method thereof10 Sep 2026US 2026/0264515 A1Hyundai Motor Company
- System for generating high-precision gas mixtures10 Sep 2026US 2026/0266801 A1Federal Institute of Metrology
- Retractable alcohol tester with intelligent recognition13 Aug 2026US 2026/0233264 A1Shenzhen Dachenwei Technology Group Co., Ltd
- System and process for limiting operation of a vehicle by an unauthorized or impaired individual13 Aug 2026US 2026/0233601 A1Substance Technology Holding Sweden AB
Most cited
By later US patents
- Potential and diffusion controlled solid electrolyte sensor for continuous measurement of very low levels of transdermal alcohol437US 5,944,661 AGiner, Inc. · 1999
- Breath alcohol analyzer using a biosensor348US 5,571,395 AGoldstar Co., Ltd. · 1996
- Impairment detection and interlock system with tester identification152US 6,748,792 B1LifeSafer Interlock, Inc. · 2004
- Breath alcohol detector with improved compensation for environmental variables144US 4,749,553 ALife Loc, Inc. · 1988
- Breath analyzer for use in automobile ignition locking systems139US 5,426,415 AConsumer Safety Technology, LLC · 1995