G01B 9/08
Optical projection comparators
G01B9/08 (Optical projection comparators) appears on 52 US grants and 32 published applications in this corpus.
Search patents in G01B- Granted patents
- 52
- Published applications
- 32
- Assignees
- 43
- Inventors
- 116
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 5 |
| 2020 | 2 | 1 |
| 2021 | 2 | 4 |
| 2022 | 4 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface shape measuring apparatus and surface shape measuring method3 Mar 2026US 12,566,062 B2Resonac Hard Disk Corporation
- Dynamic illumination control for depth determination15 Jul 2025US 12,360,443 B1Meta Platforms Technologies, LLC
- Metrology system19 Nov 2024US 12,146,736 B2Industrial Metrology Solutions LLC
- Optical edge detection based on high efficiency dielectric metasurface17 Sep 2024US 12,092,790 B2The Regents of the University of California
- Method of predicting gravity-free shape of glass sheet and method of managing quality of glass sheet based on gravity-free shape28 Mar 2023US 11,614,323 B2Corning Incorporated
- Optical device for projecting a pattern onto a surface10 Sep 2026US 2026/0266589 A1Carl Zeiss AG
- Laser line module23 Apr 2026US 2026/0110531 A1Hexagon Technology Center GmbH
- Image measuring apparatus and program1 Jan 2026US 2026/0002770 A1Mitutoyo Corporation
- Three dimensional scanning apparatus4 Sep 2025US 2025/0277661 A1Qisda Corporation
- Surface shape measuring apparatus and surface shape measuring method28 Nov 2024US 2024/0393105 A1Resonac Corporation
Most cited
By later US patents
- High speed opto-electronic gage and method for gaging62US 6,055,329 ASherikon, Inc. · 2000
- Method and means for projecting images in a contour projector45US 5,402,193 AOptical Gaging Products, Inc. · 1995
- Optical comparator and inspection apparatus21US 4,105,340 A1978
- Endoscope19US 6,152,870 ARichard Wolf GmbH · 2000
- Optical cavity sensor15US 5,889,590 AGeneral Electric Company · 1999