G01N 29/4436
With a reference signal
Official title: {with a reference signal (amplitude comparison G01N29/48)}
G01N29/4436 (With a reference signal) appears on 473 US grants and 569 published applications in this corpus.
Search patents in G01N- Granted patents
- 473
- Published applications
- 569
- Assignees
- 419
- Inventors
- 1,509
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 7 | 5 |
| 2003 | 7 | 8 |
| 2004 | 7 | 11 |
| 2005 | 7 | 5 |
| 2006 | 4 | 4 |
| 2007 | 6 | 5 |
| 2008 | 4 | 5 |
| 2009 | 2 | 4 |
| 2010 | 0 | 9 |
| 2011 | 3 | 5 |
| 2012 | 11 | 11 |
| 2013 | 7 | 15 |
| 2014 | 13 | 13 |
| 2015 | 8 | 15 |
| 2016 | 9 | 29 |
| 2017 | 16 | 35 |
| 2018 | 23 | 31 |
| 2019 | 35 | 54 |
| 2020 | 51 | 49 |
| 2021 | 31 | 57 |
| 2022 | 51 | 48 |
| 2023 | 43 | 52 |
| 2024 | 47 | 44 |
| 2025 | 31 | 37 |
| 2026 | 28 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for determining damage on structural components and work machine comprising such an apparatus15 Sep 2026US 12,736,440 B2Liebherr-Components Biberach GmbH
- Efficient beam profile imaging for non-negligible wave properties and rotationally anisotropic geometries25 Aug 2026US 12,716,870 B2Halliburton Energy Services.Inc.
- Method for determining whether defects are present in the material of a ceramic component18 Aug 2026US 12,710,401 B2Aktiebolaget Skf
- Methods and systems for testing acoustic transducers, and acoustic transducer adapters for the systems18 Aug 2026US 12,710,523 B2Lenard Enterprises Inc.
- Resonance inspection system and method for using same11 Aug 2026US 12,704,482 B2Rtx Corporation
- Detection of damage to components within an electrolyzer stack during operation8 Oct 2026US 2026/0308789 A1Fourier Earth, Inc.
- Method of applying signal amplification for driving an ultrasound transducer, corresponding circuit and system1 Oct 2026US 2026/0298884 A1STMicroelectronics International N. V.
- System for and method of inspecting semiconductor devices, and method of manufacturing the devices including the method10 Sep 2026US 2026/0266773 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Apparatus, Systems And Methods For In Vitro Screening Of Complex Biological Fluids20 Aug 2026US 2026/0243651 A1The Administrators of the Tulane Educational Fund
- Devices, systems and methods of informational signal synchronization using a reference signal6 Aug 2026US 2026/0227366 A1Kenwave Solutions Inc.
Most cited
By later US patents
- Phased array ultrasonic inspection method for industrial applications84US 6,789,427 B2General Electric Company · 2004
- Systems and methods of monitoring thin film deposition80US 6,651,488 B2Agilent Technologies, Inc. · 2003
- Method for measuring ultrasonic transit times73US 6,745,632 B12004
- Systems and methods of monitoring thin film deposition72US 6,668,618 B2Agilent Technologies, Inc. · 2003
- Nondestructive inspection apparatus and nondestructive inspection method using elastic guided wave60US 7,171,854 B2Hitachi, Ltd. · 2007