G01B 5/201
For measuring roundness
Official title: {for measuring roundness}
G01B5/201 (For measuring roundness) appears on 145 US grants and 115 published applications in this corpus.
Search patents in G01B- Granted patents
- 145
- Published applications
- 115
- Assignees
- 78
- Inventors
- 255
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 3 |
| 2003 | 5 | 1 |
| 2004 | 4 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 5 |
| 2010 | 2 | 5 |
| 2011 | 5 | 7 |
| 2012 | 6 | 5 |
| 2013 | 2 | 3 |
| 2014 | 3 | 7 |
| 2015 | 7 | 5 |
| 2016 | 7 | 4 |
| 2017 | 7 | 3 |
| 2018 | 7 | 7 |
| 2019 | 5 | 9 |
| 2020 | 4 | 11 |
| 2021 | 9 | 7 |
| 2022 | 10 | 3 |
| 2023 | 5 | 7 |
| 2024 | 1 | 3 |
| 2025 | 3 | 4 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for testing the roundness of the inner wall of a pipe or other hollow cylinder18 Aug 2026US 12,710,260 B2Insulation Technology Corporation
- Lathe charger control device, lathe charger including the same, and a method for controlling a lathe charger7 Apr 2026US 12,594,687 B2Meinan Machinery Works, Inc.
- Roundness measuring machine10 Mar 2026US 12,571,622 B2Mitutoyo Corporation
- Workpiece diameter measurement method and machine tool27 Jan 2026US 12,533,764 B2Dmg Mori Co., Ltd.
- Measurement method30 Dec 2025US 12,510,346 B2Renishaw PLC
- Method and system for determining a position of a point on a surface25 Dec 2025US 2025/0389527 A1AB Sandvik Coromant
- Deflection gauge25 Sep 2025US 2025/0297844 A1Oatey Co.
- Interposer tool for shaft measurement28 Aug 2025US 2025/0271259 A1Quality Vision International, Inc.
- Displacement detection device1 May 2025US 2025/0137770 A1Dmg Mori Co., Ltd.
- Online high-precision measuring device and method for full-size parameters of wheel set of rail transit vehicle22 Aug 2024US 2024/0280358 A1NSH-CTI Machine Tool (Jiangxi) Co., Ltd.
Most cited
By later US patents
- Line bore gauge47US 4,338,726 A1982
- Device and method for measuring shape deviations of a cylindrical workpiece and correcting steadying element and correcting follower for use therewith44US 6,568,096 B1Obschestvo s Ogranichennoi Otvetctvennostju “Tekhnomash” · 2003
- Roundness error and crown electronic measuring system38US 5,337,485 A1994
- True end-to-end electronic saddle micrometer37US 5,088,207 A1992
- Machine control gage system performing roundness measuring function37US 6,690,991 B1Tokyo Seimitsu Co., Ltd. · 2004