G01B 13/22
Measuring arrangements characterised by the use of fluids: for measuring roughness or
Official title: for measuring roughness or irregularity of surfaces
G01B13/22 (Measuring arrangements characterised by the use of fluids: for measuring roughness or) appears on 30 US grants and 14 published applications in this corpus.
Search patents in G01B- Granted patents
- 30
- Published applications
- 14
- Assignees
- 30
- Inventors
- 71
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tank inspection method8 Sep 2026US 12,730,043 B2Toyota Jidosha Kabushiki Kaisha
- Nanoscale thin film deposition systems17 Dec 2024US 12,168,244 B2Board of Regents, The University of Texas System
- Method and assembly for non-destructively inspecting a surface structure18 Jun 2024US 12,014,485 B1siOPTICA GmbH
- Surface following nozzle, observation device for moving object surface, and observation method for moving object surface14 Feb 2023US 11,578,970 B2Nippon Steel Corporation
- Measurement method for micro topography and roughness of internal surface of gap9 Mar 2021US 10,942,025 B2Dalian University of Technology
- Tank inspection method15 Aug 2024US 2024/0272053 A1Toyota Jidosha Kabushiki Kaisha
- Method and assembly for non-destructively inspecting a surface structure4 Jul 2024US 2024/0221145 A1siOPTICA GmbH
- Nanoscale thin film deposition systems23 Mar 2023US 2023/0088746 A1Board of Regents, The University of Texas System
- Method of determining a local height of a build surface18 Aug 2022US 2022/0258428 A1Ultimaker B.V.
- Surface following nozzle, observation device for moving object surface, and observation method for moving object surface4 Feb 2021US 2021/0033391 A1Nippon Steel Corporation
Most cited
By later US patents
- Method for determining characteristics of an asperity based upon detection members having a unique vibration frequency34US 6,311,551 B1Seagate Technology LLC · 2001
- Multi-impact asperity sensor and burnish head21US 5,942,680 ASeagate Technology LLC · 1999
- Glide head for testing a disc surface16US 6,003,364 ASeagate Technology LLC · 1999
- Method and apparatus for determining surface roughness15US 5,838,445 AMicron Technology, Inc. · 1998
- Flatness monitoring system for strip material14US 4,031,741 A1977