G01N 2291/02
Indexing codes associated with the analysed material
G01N2291/02 (Indexing codes associated with the analysed material) appears on 7,526 US grants and 6,917 published applications in this corpus.
Search patents in G01N- Granted patents
- 7,526
- Published applications
- 6,917
- Assignees
- 3,326
- Inventors
- 15,799
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 39 | 0 |
| 1977 | 45 | 0 |
| 1978 | 55 | 0 |
| 1979 | 30 | 0 |
| 1980 | 50 | 0 |
| 1981 | 56 | 0 |
| 1982 | 38 | 0 |
| 1983 | 47 | 0 |
| 1984 | 57 | 0 |
| 1985 | 58 | 0 |
| 1986 | 74 | 0 |
| 1987 | 72 | 0 |
| 1988 | 57 | 0 |
| 1989 | 56 | 0 |
| 1990 | 63 | 0 |
| 1991 | 76 | 0 |
| 1992 | 82 | 0 |
| 1993 | 81 | 0 |
| 1994 | 98 | 0 |
| 1995 | 87 | 0 |
| 1996 | 107 | 0 |
| 1997 | 107 | 0 |
| 1998 | 120 | 0 |
| 1999 | 117 | 0 |
| 2000 | 114 | 0 |
| 2001 | 164 | 28 |
| 2002 | 158 | 127 |
| 2003 | 159 | 185 |
| 2004 | 141 | 217 |
| 2005 | 156 | 218 |
| 2006 | 168 | 237 |
| 2007 | 161 | 230 |
| 2008 | 147 | 234 |
| 2009 | 148 | 229 |
| 2010 | 194 | 212 |
| 2011 | 152 | 203 |
| 2012 | 167 | 204 |
| 2013 | 172 | 183 |
| 2014 | 164 | 216 |
| 2015 | 140 | 302 |
| 2016 | 177 | 304 |
| 2017 | 239 | 350 |
| 2018 | 251 | 369 |
| 2019 | 373 | 387 |
| 2020 | 355 | 437 |
| 2021 | 331 | 430 |
| 2022 | 361 | 422 |
| 2023 | 371 | 407 |
| 2024 | 372 | 336 |
| 2025 | 329 | 271 |
| 2026 | 190 | 179 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inspection robot with forward and rearward sensor mount groups6 Oct 2026US 12,752,417 B2Gecko Robotics, Inc.
- Devices and methods for quartz enhanced photoacoustic spectroscopy6 Oct 2026US 12,756,156 B2Pendar Technologies, LLC
- Sensor, method and computer program for determining the density or composition of a fluid29 Sep 2026US 12,748,075 B2WoePal GmbH
- Defect sizing combining fixed wavelength and variable wavelength guided waves29 Sep 2026US 12,748,079 B2Innerspec Technologies, Inc.
- Pipeline monitoring apparatus and method of use thereof29 Sep 2026US 12,748,080 B2
- Fluid cell device and method for measuring drilling mud properties8 Oct 2026US 2026/0309674 A1
- A guided wave and genetic algorithm-based inversion process for the automatic characterization of pile foundations8 Oct 2026US 2026/0309676 A1Ecole Polytechnique de Montreal
- Robotic Signature Analysis (RSA)8 Oct 2026US 2026/0309679 A1
- Transformer stacked iron core elasticity matrix determination method and vibration analysis method, and non-transitory computer readable medium8 Oct 2026US 2026/0309681 A1Jfe Steel Corporation
- Battery testing apparatus and operating method thereof1 Oct 2026US 2026/0298875 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Method for detecting transverse mode vibrations in an ultrasonic hand piece/blade1,222US 6,588,277 B2Ethicon Endo-Surgery, Inc. · 2003
- Monitoring activity of a user in locomotion on foot505US 6,898,550 B1FitSense Technology, Inc. · 2005
- Monitoring activity of a user in locomotion on foot494US 6,876,947 B1FitSense Technology, Inc. · 2005
- Machine fault diagnostics system and method466US 5,566,092 ACaterpillar Inc. · 1996
- Cassette for intravenous-line flow-control system453US 6,165,154 ADEKA Products Limited Partnership · 2000