G01N 29/40
By amplitude filtering
Official title: by amplitude filtering, e.g. by applying a threshold {or by gain control}
G01N29/40 (By amplitude filtering) appears on 203 US grants and 76 published applications in this corpus.
Search patents in G01N- Granted patents
- 203
- Published applications
- 76
- Assignees
- 150
- Inventors
- 429
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 13 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 4 |
| 2002 | 12 | 5 |
| 2003 | 4 | 4 |
| 2004 | 5 | 5 |
| 2005 | 4 | 6 |
| 2006 | 5 | 2 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 4 |
| 2019 | 4 | 8 |
| 2020 | 4 | 7 |
| 2021 | 6 | 4 |
| 2022 | 4 | 3 |
| 2023 | 3 | 6 |
| 2024 | 1 | 4 |
| 2025 | 6 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Analog front-end circuitry for ultrasound signal processing25 Aug 2026US 12,716,874 B2Dwellwell Analytics, Inc.
- Ultrasonic system and method for detecting and characterizing contact delaminations30 Jun 2026US 12,669,479 B2Baylor University
- Acoustic analysis of remote structures within a medium24 Feb 2026US 12,560,580 B2Cereus Ultrasonics Limited
- Systems and methods for determining cell contractility23 Dec 2025US 12,502,159 B2The Governing Council of the University of Toronto
- Active temperature compensation technique for structural health monitoring sensors15 Jul 2025US 12,360,086 B2The Boeing Company
- Non-destructive inspection method and system based on self-supervised learning30 Oct 2025US 2025/0334550 A1Gwangju Institute of Science and Technology
- Automatic detection method for 3d pipe welding defects based on phased array ultrasonic testing11 Sep 2025US 2025/0283857 A1Shantou Ultrasonic Testing Technology Co., Ltd.
- Laser processing with acoustic monitoring19 Dec 2024US 2024/0416463 A1Coherent Switzerland AG
- Method for analyzing a part using non-destructive testing with ultrasonic waves13 Jun 2024US 2024/0192176 A1
- Accoustic Analysis Of Remote Structures Within A Medium25 Apr 2024US 2024/0133847 A1Cereus Ultrasonics Limited
Most cited
By later US patents
- Configurable vibration sensor870US 7,093,492 B2Mechworks Systems Inc. · 2006
- Transmit beamformer with frequency dependent focus128US 5,608,690 AAcuson Corporation · 1997
- Ultrasonic air-in-line detector for detecting entrained air in a medication infusion system119US 5,176,631 APacesetter Infusion, Ltd. · 1993
- Method and equipment for the characterization of suspensions85US 6,205,848 B1Nederlandse Organisatie voor Toengepast-Natuurwetenschappelijk Onderzoek TNO · 2001
- Apparatus and method of discriminating flaw depths in the inspection of tubular products82US 5,085,082 AThe Babcock & Wilcox Company · 1992