G01N 33/241
For hydrocarbon content
Official title: {for hydrocarbon content}
G01N33/241 (For hydrocarbon content) appears on 630 US grants and 577 published applications in this corpus.
Search patents in G01N- Granted patents
- 630
- Published applications
- 577
- Assignees
- 252
- Inventors
- 1,691
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 14 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 5 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 1 |
| 2003 | 4 | 3 |
| 2004 | 2 | 5 |
| 2005 | 3 | 8 |
| 2006 | 3 | 4 |
| 2007 | 4 | 3 |
| 2008 | 6 | 4 |
| 2009 | 3 | 7 |
| 2010 | 4 | 10 |
| 2011 | 3 | 2 |
| 2012 | 5 | 11 |
| 2013 | 5 | 13 |
| 2014 | 4 | 32 |
| 2015 | 20 | 29 |
| 2016 | 13 | 39 |
| 2017 | 22 | 30 |
| 2018 | 24 | 36 |
| 2019 | 38 | 46 |
| 2020 | 56 | 42 |
| 2021 | 42 | 48 |
| 2022 | 42 | 47 |
| 2023 | 48 | 56 |
| 2024 | 47 | 44 |
| 2025 | 41 | 31 |
| 2026 | 24 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for determining physical properties of rocky formations6 Oct 2026US 12,754,153 B2Geolog S.r.l.
- Method for source rock maturity determination using static high-field nuclear magnetic resonance spectroscopy29 Sep 2026US 12,748,063 B2Saudi Arabian Oil Company
- In situ concentration of hydrocarbons in rock22 Sep 2026US 12,742,768 B2Saudi Arabian Oil Company
- Prediction of research octane number using a constant volume combustion chamber1 Sep 2026US 12,724,015 B2Precision Analyzer Company L.P.
- Analysis of source rocks in pyrolysis experiments11 Aug 2026US 12,704,497 B2Saudi Arabian Oil Company
- Astroagents: a multi-agent ai for hypothesis generation from mass spectrometry data8 Oct 2026US 2026/0309689 A1Georgia Tech Research Corporation
- Methods and devices for generating flow through porous media using drill cuttings1 Oct 2026US 2026/0298081 A1University of Wyoming
- Evaluation system and predictive methodology for sedimentary microfacies of shale oil sweet spots in saline, hydrocarbon-rich lacustrine basin17 Sep 2026US 2026/0276568 A1Chengdu University of Technology
- Method And System For Analyzing The Elemental Content Of Drill Cores27 Aug 2026US 2026/0251577 A1Lumo Analytics Ltd
- Quantifying immobile and producible reservoir fluids20 Aug 2026US 2026/0243712 A1ConocoPhillips Company
Most cited
By later US patents
- Analytical methods and apparatus for measuring the oil content of sponge core286US 4,866,983 AShell Oil Company · 1989
- Method and apparatus for measuring free hydrocarbons and hydrocarbons potential from whole core274US 5,201,219 AAmoco Corporation · 1993
- Method for determining capillary pressure and relative permeability by imaging216US 4,893,504 AShell Oil Company · 1990
- System for transmitting ultrasonic energy through core samples208US 4,380,930 AMobil Oil Corporation · 1983
- Apparatus and method for measuring relative permeability and capillary pressure of porous rock149US 5,297,420 AMobil Oil Corporation · 1994