G01N 25/52
By determining flash-point of liquids
Official title: by determining flash-point of liquids
G01N25/52 (By determining flash-point of liquids) appears on 28 US grants and 19 published applications in this corpus.
Search patents in G01N- Granted patents
- 28
- Published applications
- 19
- Assignees
- 23
- Inventors
- 64
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 4 |
| 2020 | 4 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Flame monitoring in a flash point determination or combustion point determination14 Jan 2025US 12,196,694 B2Anton Paar ProveTec GmbH
- Device for controlling the temperature of a test sample29 Aug 2023US 11,740,195 B2Grabner Instruments Messtechnik GmbH
- Electric ignition for flashpoint tester25 Apr 2023US 11,635,207 B2Anton Paar ProveTec GmbH
- Smoke point automatic correction21 Mar 2023US 11,609,197 B2AD Systems S.A.S.
- Gas-flammability sensing systems and methods15 Feb 2022US 11,247,784 B2The Boeing Company
- Autoignition systems to measure autignition temperatures and related methods1 Aug 2024US 2024/0255453 A1Brigham Young University
- Flame monitoring in a flash point determination or combustion point determination3 Nov 2022US 2022/0349849 A1Anton Paar ProveTec GmbH
- Temperature-control device and method for a flash-point determination test and/or fire-point determination test28 Jul 2022US 2022/0236204 A1
- Smoke point automatic correction30 Dec 2021US 2021/0404980 A1AD Systems S.A.S.
- Gas-flammability sensing systems and methods14 May 2020US 2020/0148380 A1The Boeing Company
Most cited
By later US patents
- Method and apparatus for the automated testing of the flash point26US 5,869,343 APetrotest Instruments GmbH & Co. KG · 1999
- Method and apparatus for periodically determining the flash point of a flammable liquid21US 4,831,559 APhillips Petroleum Company · 1989
- Process for measuring the cetane number of supply fuels for diesel engines and apparatus for performing this process21US 5,457,985 AElf Antar France · 1995
- Measurement of ignition characteristics of distillate fuels6US 4,549,815 AMobil Oil Corporation · 1985
- Apparatus for the determination of the flashpoint of a substance6US 5,932,796 AElf Antar France · 1999