G01B 7/282
For measuring roundness
Official title: {for measuring roundness}
G01B7/282 (For measuring roundness) appears on 74 US grants and 22 published applications in this corpus.
Search patents in G01B- Granted patents
- 74
- Published applications
- 22
- Assignees
- 51
- Inventors
- 138
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 4 | 4 |
| 2018 | 1 | 2 |
| 2019 | 3 | 4 |
| 2020 | 3 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for controlling wheel deformation and associated device and system3 Dec 2024US 12,157,507 B2ALSTOM Holdings
- Method and apparatus for inspection of spherical surfaces29 Jun 2021US 11,047,675 B2
- Roundness measuring device22 Jun 2021US 11,041,707 B2Mitutoyo Corporation
- Sensing circuit, processing method of sensing circuit and curved surface profile measuring method thereof16 Mar 2021US 10,948,280 B2Suzhou Jilvda Information Technology Co., Ltd.
- Method and system for detecting bend in rotating shaft of magnetic bearing18 Aug 2020US 10,746,527 B2Gree Electric Appliances, Inc. of Zhuhai
- Apparatus and method for inductively measuring a representative variable or a variation in the circumference of a deformable object, and use of the apparatus on a shutter, a pressure probe or for inductance plethysmography29 Sep 2022US 2022/0304592 A1Calyf
- Method for controlling wheel deformation and associated device and system17 Jun 2021US 2021/0179152 A1Alstom Transport Technologies
- Method and apparatus for inspection of spherical surfaces3 Dec 2020US 2020/0378755 A1
- Detector, surface property measuring machine, and roundness measuring machine5 Dec 2019US 2019/0368855 A1Tokyo Seimitsu Co., Ltd.
- System and method for measuring eccentricity of gas turbine casing relative to rotor26 Sep 2019US 2019/0293405 A1General Electric Company
Most cited
By later US patents
- Method and apparatus for separating fixture-induced error from measured object characteristics and for compensating the measured object characteristic with the error, and a bow/warp station implementing same74US 4,750,141 AADE Corporation · 1988
- Surface measurement instruments71US 4,026,031 AThe Rank Organisation Limited · 1977
- Metrological apparatus70US 4,807,152 ARank Taylor Hobson Limited · 1989
- Method and apparatus for fastener hole inspection with a capacitive probe54US 5,646,538 AMeasurement Systems, Inc. · 1997
- Method and apparatus for gaging the degree of lobulation of bodies such as threaded fasteners41US 5,168,458 AResearch Engineering & Manufacturing, Inc. · 1992