G01N 29/221
Arrangements for directing or focusing the acoustical waves
Official title: {Arrangements for directing or focusing the acoustical waves (electronic orientation or focusing G01N29/262; sound directing or focusing G10K11/26; mechanical steering of sound transducers or their beams G10K11/35)}
G01N29/221 (Arrangements for directing or focusing the acoustical waves) appears on 460 US grants and 435 published applications in this corpus.
Search patents in G01N- Granted patents
- 460
- Published applications
- 435
- Assignees
- 355
- Inventors
- 1,149
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 6 | 2 |
| 2003 | 8 | 4 |
| 2004 | 6 | 5 |
| 2005 | 1 | 2 |
| 2006 | 3 | 12 |
| 2007 | 8 | 6 |
| 2008 | 3 | 11 |
| 2009 | 3 | 16 |
| 2010 | 14 | 11 |
| 2011 | 8 | 11 |
| 2012 | 10 | 5 |
| 2013 | 8 | 13 |
| 2014 | 7 | 16 |
| 2015 | 11 | 25 |
| 2016 | 14 | 11 |
| 2017 | 14 | 26 |
| 2018 | 23 | 42 |
| 2019 | 21 | 35 |
| 2020 | 34 | 42 |
| 2021 | 33 | 29 |
| 2022 | 45 | 28 |
| 2023 | 26 | 27 |
| 2024 | 18 | 22 |
| 2025 | 24 | 21 |
| 2026 | 15 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon nanotube acoustic lens for underwater high intensity acoustic delivery29 Sep 2026US 12,748,078 B2The Boeing Company
- Systems and methods for photoacoustic microscopy8 Sep 2026US 12,730,060 B2Duke University
- Detection device, detection system, and propagating member25 Aug 2026US 12,716,868 B2Kabushiki Kaisha Toshiba
- Method and apparatus for determining the set of focal laws of a plurality of focal points located in a three-dimensional test object in the presence of a coupling medium18 Aug 2026US 12,710,398 B2Consejo Superior De Investigaciones CientíFicas (Csic) M
- Wet gas holdup gas fraction and flow meter11 Aug 2026US 12,704,396 B2Saudi Arabian Oil Company
- Arrangement for exciting guided waves, apparatus and methods24 Sep 2026US 2026/0287556 A1Omnia Integrity Ltd
- Guided wave ultrasound testing (gwut) method for hicam nde20 Aug 2026US 2026/0243732 A1University of South Carolina
- Metrology method and associated metrology device6 Aug 2026US 2026/0227426 A1ASML Netherlands B. V.
- Ultrasonic transducer11 Jun 2026US 2026/0160734 A1Qisda Corporation
- A system and method for ultrasound imaging using arbitrary virtual array sources of aperture excitation4 Jun 2026US 2026/0153483 A1Indian Institute of Technology Madras (Iit Madras)
Most cited
By later US patents
- Ultrasound beam alignment servo310US 5,844,140 A1998
- Ultrasonic defect detection system160US 6,382,028 B1Massachusetts Institute of Technology · 2002
- Method and apparatus for providing dynamic focussing and beam steering in an ultrasonic apparatus134US 4,213,344 AKrautkramer-Branson, Incorporated · 1980
- Ultrasonic imager110US 6,552,841 B1Imperium Advanced Ultrasonic Imaging · 2003
- Non-destructive testing, in particular for pipes during manufacture or in the finished state100US 8,265,886 B2V & M France · 2012