G01N 33/24
Earth materials
Official title: Earth materials (G01N33/42 takes precedence)
G01N33/24 (Earth materials) appears on 2,930 US grants and 3,210 published applications in this corpus.
Search patents in G01N- Granted patents
- 2,930
- Published applications
- 3,210
- Assignees
- 1,389
- Inventors
- 8,364
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 12 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 13 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 21 | 0 |
| 1990 | 23 | 0 |
| 1991 | 20 | 0 |
| 1992 | 27 | 0 |
| 1993 | 30 | 0 |
| 1994 | 39 | 0 |
| 1995 | 29 | 0 |
| 1996 | 30 | 0 |
| 1997 | 23 | 0 |
| 1998 | 36 | 0 |
| 1999 | 29 | 0 |
| 2000 | 26 | 0 |
| 2001 | 29 | 3 |
| 2002 | 19 | 16 |
| 2003 | 29 | 24 |
| 2004 | 27 | 36 |
| 2005 | 16 | 40 |
| 2006 | 26 | 27 |
| 2007 | 24 | 22 |
| 2008 | 20 | 28 |
| 2009 | 17 | 32 |
| 2010 | 24 | 39 |
| 2011 | 26 | 45 |
| 2012 | 24 | 48 |
| 2013 | 55 | 74 |
| 2014 | 46 | 96 |
| 2015 | 65 | 125 |
| 2016 | 67 | 164 |
| 2017 | 106 | 142 |
| 2018 | 126 | 167 |
| 2019 | 172 | 208 |
| 2020 | 220 | 244 |
| 2021 | 182 | 278 |
| 2022 | 205 | 252 |
| 2023 | 263 | 316 |
| 2024 | 261 | 338 |
| 2025 | 260 | 254 |
| 2026 | 164 | 192 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Corrosion estimation method and device6 Oct 2026US 12,754,117 B2NTT, Inc.
- Method and system for determining physical properties of rocky formations6 Oct 2026US 12,754,153 B2Geolog S.r.l.
- Systems and methods for determining reactivity indices for carbon dioxide sequestration29 Sep 2026US 12,747,651 B2Schlumberger Technology Corporation
- Method for source rock maturity determination using static high-field nuclear magnetic resonance spectroscopy29 Sep 2026US 12,748,063 B2Saudi Arabian Oil Company
- Apparatus and technique for simulating the propagation of shale fractures under high temperature convective heat29 Sep 2026US 12,748,095 B2China University of Petroleum (East China)
- Precipitation soil erosion and microbial respiration monitoring device8 Oct 2026US 2026/0309601 A1Zhengzhou University
- Method for particle size analysis of bed material sediment and related device8 Oct 2026US 2026/0309609 A1China Three Gorges University
- Astroagents: a multi-agent ai for hypothesis generation from mass spectrometry data8 Oct 2026US 2026/0309689 A1Georgia Tech Research Corporation
- Artificial roots for soil nutrient uptake monitoring8 Oct 2026US 2026/0309690 A1Trustees of Tufts College
- Methods and devices for generating flow through porous media using drill cuttings1 Oct 2026US 2026/0298081 A1University of Wyoming
Most cited
By later US patents
- Method and apparatus for determination of analyte concentration307US 5,954,954 ASuprex Corporation · 1999
- Apparatus for positioning a sample in a computerized axial tomographic scanner293US 4,583,242 AShell Oil Company · 1986
- 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