G01B 5/12
Internal diameters
Official title: internal diameters
G01B5/12 (Internal diameters) appears on 238 US grants and 164 published applications in this corpus.
Search patents in G01B- Granted patents
- 238
- Published applications
- 164
- Assignees
- 147
- Inventors
- 458
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 6 |
| 2006 | 1 | 4 |
| 2007 | 4 | 7 |
| 2008 | 4 | 2 |
| 2009 | 3 | 7 |
| 2010 | 7 | 5 |
| 2011 | 5 | 4 |
| 2012 | 4 | 2 |
| 2013 | 3 | 5 |
| 2014 | 1 | 7 |
| 2015 | 9 | 16 |
| 2016 | 11 | 4 |
| 2017 | 8 | 17 |
| 2018 | 7 | 7 |
| 2019 | 11 | 7 |
| 2020 | 9 | 15 |
| 2021 | 14 | 10 |
| 2022 | 7 | 5 |
| 2023 | 11 | 11 |
| 2024 | 4 | 9 |
| 2025 | 5 | 3 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic inside-diameter measuring apparatus8 Sep 2026US 12,729,944 B2Mitutoyo Corporation
- 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
- Automatic measuring system and control method for automatic measuring system14 Jul 2026US 12,681,029 B2Mitutoyo Corporation
- Measurement gauge for stator of an electric motor having epoxy coated hairpins2 Jun 2026US 12,644,686 B2Ford Global Technologies, LLC
- Apparatus for verifying the inner diameter of tubulars forming a tubular string21 Apr 2026US 12,607,115 B2
- Bearing groove diameter measuring method and bearing groove diameter measuring device, manufacturing method for rolling bearing, and manufacturing methods for machine and vehicle1 Oct 2026US 2026/0298608 A1Nsk Ltd.
- Well logging apparatus with buoyancy adjustment27 Aug 2026US 2026/0251058 A1Schlumberger Technology Corporation
- Methods and apparatus to measure hole normality6 Aug 2026US 2026/0227169 A1The Boeing Company
- Systems and methods for multiple mechanical caliper measurements23 Jul 2026US 2026/0210234 A1Schlumberger Technology Corporation
- Method for the estimation of rock mechanical properties using downhole measurements of borehole ovality25 Jun 2026US 2026/0176952 A1Aramco Innovations LLC
Most cited
By later US patents
- Hole measurement apparatuses146US 8,606,540 B2Projectionworks, Inc. · 2013
- Medullary caliper92US 5,171,248 AIntermedics Orthopedics, Inc. · 1992
- Reversed leaf spring energizing system for wellbore caliper arms51US 5,092,056 AHalliburton Logging Services, Inc. · 1992
- Wellbore caliper with maximum diameter seeking feature50US 8,925,213 B2Schlumberger Technology Corporation · 2015
- Direct feeling gage for the measurement of the sizes of moving workpieces, in particular for measurements with intermittent contact between the feeling means and the workpiece36US 4,279,079 AFinike Italiana Marposs S.p.A. · 1981