G01N 2291/10
Number of transducers
G01N2291/10 (Number of transducers) appears on 2,836 US grants and 2,722 published applications in this corpus.
Search patents in G01N- Granted patents
- 2,836
- Published applications
- 2,722
- Assignees
- 1,473
- Inventors
- 6,191
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 2 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 13 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 19 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 12 | 0 |
| 1991 | 17 | 0 |
| 1992 | 21 | 0 |
| 1993 | 23 | 0 |
| 1994 | 40 | 0 |
| 1995 | 46 | 0 |
| 1996 | 45 | 0 |
| 1997 | 57 | 0 |
| 1998 | 42 | 0 |
| 1999 | 49 | 0 |
| 2000 | 56 | 0 |
| 2001 | 55 | 18 |
| 2002 | 78 | 53 |
| 2003 | 57 | 69 |
| 2004 | 67 | 92 |
| 2005 | 65 | 84 |
| 2006 | 68 | 113 |
| 2007 | 72 | 102 |
| 2008 | 67 | 69 |
| 2009 | 48 | 98 |
| 2010 | 73 | 70 |
| 2011 | 58 | 60 |
| 2012 | 58 | 59 |
| 2013 | 58 | 74 |
| 2014 | 58 | 79 |
| 2015 | 59 | 125 |
| 2016 | 80 | 110 |
| 2017 | 92 | 134 |
| 2018 | 100 | 150 |
| 2019 | 125 | 133 |
| 2020 | 144 | 175 |
| 2021 | 131 | 192 |
| 2022 | 167 | 190 |
| 2023 | 152 | 141 |
| 2024 | 132 | 148 |
| 2025 | 130 | 113 |
| 2026 | 89 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 2291/106One or more transducer arraysIndexing code1,300
- G01N 2291/102One emitter, one receiverIndexing code788
- G01N 2291/101One transducerIndexing code584
- G01N 2291/105Two or more emitters, two or more receiversIndexing code271
- G01N 2291/103One emitter, two or more receiversIndexing code153
- G01N 2291/104Two or more emitters, one receiverIndexing code29
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.
- Pipeline monitoring apparatus and method of use thereof29 Sep 2026US 12,748,080 B2
- Heat exchanger state sensing apparatus and method of use thereof29 Sep 2026US 12,748,081 B2
- High resolution imaging of pressurized water supply lines using high frequency acoustic waves8 Sep 2026US 12,730,030 B2The Hong Kong University of Science and Technology
- Compressive sensing for phased-array acoustic inspection1 Oct 2026US 2026/0298883 A1Evident Canada, Inc.
- Resonant acoustic rheometry for characterization of soft viscoelastic materials24 Sep 2026US 2026/0287554 A1The Regents of the University of Michigan
- High-speed trailer-integrated ultrasonic inspection system with modular wheel probe assembly24 Sep 2026US 2026/0287559 A1Transtek International LLC
- Apparatus for traversing a structure and determining positional data17 Sep 2026US 2026/0276594 A1
- Systems and methods for determining the ultrasonic testing (ut) testability of defects in a weld17 Sep 2026US 2026/0276595 A1Baker Hughes Holdings LLC
Most cited
By later US patents
- Method and apparatus for measuring acoustic wave velocity using impulse response290US 5,349,859 AScientific Engineering Instruments, Inc. · 1994
- Sensor arrangement having sensor array provided on upper portion of a container261US 7,387,010 B2Smiths Detection Inc. · 2008
- Combinatorial synthesis and analysis of organometallic compounds and catalysts245US 6,030,917 ASymyx Technologies, Inc. · 2000
- Non-contact method and apparatus for inspection of inertia welds225US 5,652,389 AThe United States of America as represented by the Secretary of Commerce · 1997
- Mass spectrometers and methods for rapid screening of libraries of different materials218US 5,959,297 ASymyx Technologies, Inc. · 1999