B61K 9/12
Measuring or surveying wheel-rims
B61K9/12 (Measuring or surveying wheel-rims) appears on 138 US grants and 133 published applications in this corpus.
Search patents in B61K- Granted patents
- 138
- Published applications
- 133
- Assignees
- 92
- Inventors
- 312
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 4 |
| 2007 | 3 | 9 |
| 2008 | 1 | 3 |
| 2009 | 6 | 4 |
| 2010 | 7 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 4 | 3 |
| 2014 | 3 | 6 |
| 2015 | 4 | 7 |
| 2016 | 8 | 6 |
| 2017 | 5 | 9 |
| 2018 | 6 | 11 |
| 2019 | 11 | 8 |
| 2020 | 4 | 12 |
| 2021 | 4 | 7 |
| 2022 | 9 | 5 |
| 2023 | 4 | 6 |
| 2024 | 13 | 12 |
| 2025 | 10 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wheel tread roughness estimation device and wheel tread roughness estimation method16 Jun 2026US 12,654,752 B2Mitsubishi Electric Corporation
- System and method for monitoring the state of a wheel of a rail vehicle26 May 2026US 12,637,121 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Laser alignment system for railcar mover and method of use17 Mar 2026US 12,576,894 B2Zephir S.p.A.
- System and method for automatic wheel diameter measurement and calibration28 Oct 2025US 12,454,293 B2Siemens Mobility GmbH
- Vehicle control system28 Oct 2025US 12,454,295 B2Transportation IP Holdings, LLC
- Apparatus and method for wear detection of railroad vehicle wheels1 Jan 2026US 2026/0001578 A1BNSF Railway Company
- System and method for detecting axle body and filet cracks in rail vehicles1 Jan 2026US 2026/0001581 A1BNSF Railway Company
- Method and Device for Ascertaining the Geometry of a Wheel, and Rail Vehicle11 Dec 2025US 2025/0376196 A1Siemens Mobility Austria GmbH
- Method for monitoring the equivalent conicity of a rail vehicle-rail system15 May 2025US 2025/0153747 A1Siemens Mobility GmbH
- Method for determining anomalies associated with a railcar wheelset, or a railcar bogie assembly that the railcar wheelset is part of, or a track using an axle-mounted sensor cuff assembly8 May 2025US 2025/0145188 A1Nvh Technology LLC
Most cited
By later US patents
- Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks90US 5,433,111 AGeneral Electric Company · 1995
- Contactless wheel measurement system and method86US 6,768,551 B2International Electronic Machines Corp. · 2004
- Method and system for contactless measurement of railroad wheel characteristics80US 5,636,026 AInternational Electronic Machines Corp. · 1997
- System for detection of defects in railroad car wheels54US 7,213,789 B12007
- Wheel profile inspection apparatus and method51US 6,909,514 B2Beena Vision Systems, Inc. · 2005