G01N 33/2817
Using a test engine
Official title: {using a test engine}
G01N33/2817 (Using a test engine) appears on 43 US grants and 28 published applications in this corpus.
Search patents in G01N- Granted patents
- 43
- Published applications
- 28
- Assignees
- 35
- Inventors
- 116
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 4 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cement health monitoring in CCUS wells28 Apr 2026US 12,612,853 B2Halliburton Energy Services.Inc.
- Fuel testing data acquisition system calibrator, signal simulator, and pickup complementary apparatus11 Jun 2024US 12,007,379 B1Omni IP Ltd.
- Method of assigning an octane number to a fuel21 Nov 2023US 11,821,381 B2ExxonMobil Technology and Engineering Company
- Detonation pickup tester and methodology15 Mar 2022US 11,275,055 B2Omni IP Ltd.
- Ultra-compact system for characterization of physical, chemical and ignition properties of fuels10 Aug 2021US 11,085,910 B2Lawrence Livermore National Security, LLC
- Cement health monitoring in ccus wells13 Aug 2026US 2026/0235024 A1Halliburton Energy Services.Inc.
- Jet reference fluid formulations for fuel surrogates and methods thereof18 Sep 2025US 2025/0290002 A1The Boeing Company
- Cement health monitoring in ccus wells11 Sep 2025US 2025/0283402 A1Halliburton Energy Services.Inc.
- Method of assigning an octane number to a fuel14 Jul 2022US 2022/0220915 A1ExxonMobil Technology and Engineering Company
- Fuel Testing Data Acquisition System Calibrator and Signal Simulator22 Apr 2021US 2021/0115861 A1
Most cited
By later US patents
- Engine knock signal generating apparatus with noise channel inhibiting feedback35US 4,111,035 AGeneral Motors Corporation · 1978
- Method and device for assessing the quality of a fuel, in particular a diesel or petrol fuel25US 7,367,223 B2Siemens Aktiengesellschaft · 2008
- Lubrication and adhesion testing machine22US 5,388,442 ATranergy Corporation · 1995
- Apparatus and process for measuring fuel octane numbers21US 4,010,358 AE. I. Du Pont de Nemours and Company · 1977
- Octane number measuring system21US 4,402,212 APhillips Petroleum Company · 1983