G01B 5/28
Measuring arrangements characterised by the use of mechanical techniques: for measuring roughness
Official title: for measuring roughness or irregularity of surfaces
G01B5/28 (Measuring arrangements characterised by the use of mechanical techniques: for measuring roughness) appears on 329 US grants and 266 published applications in this corpus.
Search patents in G01B- Granted patents
- 329
- Published applications
- 266
- Assignees
- 217
- Inventors
- 731
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 1 |
| 2002 | 11 | 10 |
| 2003 | 9 | 3 |
| 2004 | 5 | 9 |
| 2005 | 6 | 8 |
| 2006 | 8 | 7 |
| 2007 | 5 | 9 |
| 2008 | 10 | 6 |
| 2009 | 5 | 7 |
| 2010 | 5 | 6 |
| 2011 | 5 | 9 |
| 2012 | 2 | 11 |
| 2013 | 10 | 11 |
| 2014 | 7 | 14 |
| 2015 | 17 | 4 |
| 2016 | 13 | 13 |
| 2017 | 10 | 16 |
| 2018 | 11 | 21 |
| 2019 | 13 | 22 |
| 2020 | 20 | 24 |
| 2021 | 17 | 16 |
| 2022 | 22 | 12 |
| 2023 | 11 | 6 |
| 2024 | 5 | 9 |
| 2025 | 12 | 9 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Precision stylus control system22 Sep 2026US 12,742,626 B2
- Tactile roughness detection tool25 Aug 2026US 12,716,705 B2Ferry Machine Corporation
- Apparatus and method for burnishing a replica tape19 May 2026US 12,629,912 B2DeFelsko Corporation
- Flatness testing for cathodes23 Dec 2025US 12,504,266 B2Raytheon Company
- Interposer tool for shaft measurement23 Dec 2025US 12,504,279 B2Quality Vision International, Inc.
- Measuring head, and rocking fulcrum member used therein25 Jun 2026US 2026/0177126 A1Tokyo Seimitsu Co., Ltd.
- Shape measuring apparatus25 Jun 2026US 2026/0177367 A1Mitutoyo Corporation
- System and method for testing a surface5 Mar 2026US 2026/0063412 A1Columbia Insurance Company
- Interposer tool for shaft measurement28 Aug 2025US 2025/0271259 A1Quality Vision International, Inc.
- Method and Apparatus for Checking of Road Condition17 Jul 2025US 2025/0231016 A1Hl Mando Corporation
Most cited
By later US patents
- Drive electrodes for microfabricated torsional cantilevers144US 6,000,280 ACornell Research Foundation, Inc. · 1999
- Flow analysis system and method142US 5,741,980 AFoster-Miller, Inc. · 1998
- Method and system for analyzing a two phase flow86US 5,600,073 AFoster-Miller, Inc. · 1997
- Microfabricated torsional cantilevers for sensitive force detection83US 6,073,484 ACornell Research Foundation, Inc. · 2000
- Method and system for analyzing a two phase flow81US 5,714,691 AFoster-Miller, Inc. · 1998