G01N 21/8803
Visual inspection
Official title: {Visual inspection (measuring projectors G01B9/08)}
G01N21/8803 (Visual inspection) appears on 483 US grants and 520 published applications in this corpus.
Search patents in G01N- Granted patents
- 483
- Published applications
- 520
- Assignees
- 399
- Inventors
- 1,291
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 2 |
| 2003 | 3 | 7 |
| 2004 | 11 | 9 |
| 2005 | 7 | 14 |
| 2006 | 3 | 6 |
| 2007 | 7 | 12 |
| 2008 | 3 | 12 |
| 2009 | 7 | 12 |
| 2010 | 8 | 10 |
| 2011 | 9 | 4 |
| 2012 | 6 | 8 |
| 2013 | 9 | 12 |
| 2014 | 4 | 21 |
| 2015 | 10 | 46 |
| 2016 | 25 | 26 |
| 2017 | 33 | 40 |
| 2018 | 32 | 30 |
| 2019 | 39 | 47 |
| 2020 | 43 | 34 |
| 2021 | 26 | 43 |
| 2022 | 25 | 34 |
| 2023 | 27 | 25 |
| 2024 | 36 | 24 |
| 2025 | 27 | 23 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems22 Sep 2026US 12,743,014 B2Seescan, Inc.
- Vision inspection systems and methods for laser welds16 Jun 2026US 12,657,682 B2GM Global Technology Operations LLC
- Secondary battery having lead film including luminous material and method of inspecting defects of secondary battery19 May 2026US 12,631,565 B2LG Energy Solution, Ltd.
- Apparatus and method for monitoring impurity rate and breakage rate of grains in grain-bin of harvester21 Apr 2026US 12,607,567 B1Shandong Academy of Agricultural Machinery Sciences
- Alternative light source (ALS) camera system14 Apr 2026US 12,604,077 B2
- System and Method for Automated or Semi-Automated Inspection of Electronic Assemblies3 Sep 2026US 2026/0259147 A1
- Automated visual inspection of prefilled syringes6 Aug 2026US 2026/0227343 A1Amgen Inc.
- Visual inspection method30 Jul 2026US 2026/0219196 A1
- Tooling and method for visually inspecting an aircraft turbomachine part30 Jul 2026US 2026/0219197 A1Safran Aircraft Engines
- Als camera system23 Jul 2026US 2026/0214314 A1
Most cited
By later US patents
- Automated wafer defect inspection system and a process of performing such inspection187US 6,324,298 B1August Technology Corp. · 2001
- Pipe mapping system98US 8,547,428 B1Seescan, Inc. · 2013
- Pipe mapping system and methods67US 9,041,794 B1Seescan, Inc. · 2015
- Transilluminator light shield66US 8,032,205 B22011
- Method for inspecting a semiconductor device59US 5,566,877 AMotorola, Inc. · 1996