G01N 25/4893
By using a differential method
Official title: {by using a differential method}
G01N25/4893 (By using a differential method) appears on 31 US grants and 31 published applications in this corpus.
Search patents in G01N- Granted patents
- 31
- Published applications
- 31
- Assignees
- 28
- Inventors
- 115
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 5 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Ultrasensitive, ultrathin vapor sensors and arrays2 Sep 2025US 12,405,238 B2Trace Sensing Technologies Inc.
- Thermal fluid sensor with encapsulated fluid region9 Jan 2024US 11,867,648 B2Flusso Limited
- Method for enhancing thermal energy storage performance of industrial grade hydrated salts based on phase change29 Aug 2023US 11,740,032 B2Qinghai Institute of Salt Lakes, Chinese Academy of Sciences
- Sorbent based gas concentration monitor4 Apr 2023US 11,619,601 B2Palo Alto Research Center Incorporated
- Gas sensor30 Aug 2022US 11,428,655 B2Ngk Spark Plug Co., Ltd.
- Ultrasensitive, ultrathin vapor sensors and arrays25 Dec 2025US 2025/0389681 A1Trace Sensing Technologies Inc.
- Thermal fluid sensor25 Apr 2024US 2024/0133854 A1Flusso Limited
- Method for enhancing thermal energy storage performance of industrial grade hydrated salts based on phase change12 Jan 2023US 2023/0010352 A1Qinghai Institute of Salt Lakes, Chinese Academy of Sciences
- Ultrasensitive, ultrathin vapor sensors and arrays29 Dec 2022US 2022/0412905 A1PGR Holdings, LLC
- Thermal fluid sensor22 Dec 2022US 2022/0404300 A1Flusso Limited
Most cited
By later US patents
- Pre-smoke detector and system for use in early detection of developing fires23US 9,547,968 B2Nevada Nanotech Systems Inc. · 2017
- Pre-smoke detector and system for use in early detection of developing fires17US 10,453,321 B2Nevada Nanotech Systems Inc. · 2019
- Pre-smoke detector and system for use in early detection of developing fires15US 9,922,517 B2Nevada Nanotech Systems Inc. · 2018
- Non-intrusive thermal power monitor and method12US 4,448,545 ASouthern California Gas Company · 1984
- Flow-through thermal detector11US 3,972,681 ALeeds & Northrup Company · 1976