G01N 2291/00
Indexing codes associated with group g01n29/00
Official title: Indexing codes associated with group G01N29/00
G01N2291/00 (Indexing codes associated with group g01n29/00) appears on 10,339 US grants and 9,345 published applications in this corpus.
Search patents in G01N- Granted patents
- 10,339
- Published applications
- 9,345
- Assignees
- 4,066
- Inventors
- 20,382
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 61 | 0 |
| 1978 | 73 | 0 |
| 1979 | 48 | 0 |
| 1980 | 68 | 0 |
| 1981 | 85 | 0 |
| 1982 | 57 | 0 |
| 1983 | 61 | 0 |
| 1984 | 81 | 0 |
| 1985 | 81 | 0 |
| 1986 | 101 | 0 |
| 1987 | 96 | 0 |
| 1988 | 77 | 0 |
| 1989 | 81 | 0 |
| 1990 | 95 | 0 |
| 1991 | 102 | 0 |
| 1992 | 122 | 0 |
| 1993 | 107 | 0 |
| 1994 | 123 | 0 |
| 1995 | 131 | 0 |
| 1996 | 144 | 0 |
| 1997 | 155 | 0 |
| 1998 | 166 | 0 |
| 1999 | 167 | 0 |
| 2000 | 177 | 0 |
| 2001 | 202 | 46 |
| 2002 | 220 | 165 |
| 2003 | 215 | 253 |
| 2004 | 210 | 300 |
| 2005 | 212 | 291 |
| 2006 | 222 | 309 |
| 2007 | 222 | 317 |
| 2008 | 204 | 314 |
| 2009 | 193 | 333 |
| 2010 | 268 | 299 |
| 2011 | 225 | 306 |
| 2012 | 259 | 295 |
| 2013 | 259 | 295 |
| 2014 | 242 | 351 |
| 2015 | 231 | 428 |
| 2016 | 282 | 412 |
| 2017 | 341 | 472 |
| 2018 | 353 | 495 |
| 2019 | 511 | 520 |
| 2020 | 483 | 559 |
| 2021 | 427 | 553 |
| 2022 | 467 | 532 |
| 2023 | 455 | 493 |
| 2024 | 471 | 428 |
| 2025 | 402 | 356 |
| 2026 | 244 | 223 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 2291/02Indexing codes associated with the analysed materialIndexing code7,526
- G01N 2291/04Wave modes and trajectoriesIndexing code4,142
- G01N 2291/26Scanned objectsIndexing code3,103
- G01N 2291/10Number of transducersIndexing code2,836
- G01N 2291/01Indexing codes associated with the measuring variableIndexing code2,007
Recent patents
- Inspection robot with forward and rearward sensor mount groups6 Oct 2026US 12,752,417 B2Gecko Robotics, Inc.
- Method for examining the interior material of an object, system for carrying out the method, and use of the system6 Oct 2026US 12,754,169 B2Applus Netherlands B.V.
- 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.
- Detection of damage to components within an electrolyzer stack during operation8 Oct 2026US 2026/0308789 A1Fourier Earth, Inc.
- 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
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
- Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly688US 4,841,977 AInter Therapy, Inc. · 1989
- 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