G01N 2291/2696
Wheels, gears, bearings
Official title: Wheels, Gears, Bearings
G01N2291/2696 (Wheels, gears, bearings) appears on 143 US grants and 121 published applications in this corpus.
Search patents in G01N- Granted patents
- 143
- Published applications
- 121
- Assignees
- 113
- Inventors
- 405
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 4 |
| 2003 | 6 | 8 |
| 2004 | 9 | 4 |
| 2005 | 3 | 4 |
| 2006 | 4 | 6 |
| 2007 | 2 | 3 |
| 2008 | 3 | 4 |
| 2009 | 4 | 2 |
| 2010 | 1 | 5 |
| 2011 | 0 | 1 |
| 2012 | 4 | 4 |
| 2013 | 4 | 5 |
| 2014 | 2 | 4 |
| 2015 | 1 | 5 |
| 2016 | 7 | 12 |
| 2017 | 3 | 7 |
| 2018 | 5 | 11 |
| 2019 | 8 | 5 |
| 2020 | 8 | 3 |
| 2021 | 1 | 5 |
| 2022 | 4 | 6 |
| 2023 | 2 | 4 |
| 2024 | 4 | 5 |
| 2025 | 3 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for detecting fitting degree of connecting rod bushing by ultrasonic wave7 Apr 2026US 12,596,104 B2Guangdong University of Technology
- Method and apparatus for detecting an initial lubrication of a moving component17 Mar 2026US 12,578,308 B2U-E Systems, Inc.
- Magnetostrictive EMAT for in-motion inspection of railroad wheels29 Jul 2025US 12,372,382 B2Innerspec Technologies, Inc.
- Hammer device, apparatus for detecting fault of welded part, and method using the same22 Apr 2025US 12,280,451 B2Hyundai Motor Company
- Method for evaluating cleanliness of steel material7 Jan 2025US 12,188,902 B2Nsk Ltd.
- Method and system for measuring lubrication film thickness of sliding nearing based on ultrasonic proportional coefficient3 Sep 2026US 2026/0259047 A1Xi' An Jiaotong University
- Railway vehicle wheel precision inspection device30 Oct 2025US 2025/0334551 A1Korea Railroad Research Institute
- Device and method for detecting fitting degree of connecting rod bushing by ultrasonic wave25 Jul 2024US 2024/0248065 A1Guangdong University of Technology
- Apparatus For Determining Damage On Structural Components And Work Machine Comprising Such An Apparatus23 May 2024US 2024/0167914 A1Liebherr-Components Biberach GmbH
- Hammer Device, Apparatus for Detecting Fault of Welded Part, and Method Using the Same18 Apr 2024US 2024/0123553 A1Hyundai Motor Company
Most cited
By later US patents
- Method and apparatus for analyzing rotating machines168US 5,109,700 ALife Systems, Inc. · 1992
- Acoustical defect detection system160US 4,429,578 AGeneral Electric Company · 1984
- Machine fault detection using vibration signal peak detector133US 5,895,857 ACSI Technology, Inc. · 1999
- System for monitoring bearings and other rotating equipment96US 4,237,454 AGeneral Electric Company · 1980
- Determining faults in multiple bearings using one vibration sensor95US 6,053,047 AAllen-Bradley Company, Inc. · 2000