G01N 21/90
In a container or its contents
Official title: in a container or its contents (G01N21/91 takes precedence)
G01N21/90 (In a container or its contents) appears on 1,034 US grants and 873 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,034
- Published applications
- 873
- Assignees
- 513
- Inventors
- 1,914
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 13 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 12 | 0 |
| 1982 | 2 | 0 |
| 1983 | 13 | 0 |
| 1984 | 18 | 0 |
| 1985 | 13 | 0 |
| 1986 | 12 | 0 |
| 1987 | 17 | 0 |
| 1988 | 12 | 0 |
| 1989 | 15 | 0 |
| 1990 | 19 | 0 |
| 1991 | 20 | 0 |
| 1992 | 10 | 0 |
| 1993 | 16 | 0 |
| 1994 | 17 | 0 |
| 1995 | 28 | 0 |
| 1996 | 22 | 0 |
| 1997 | 16 | 0 |
| 1998 | 11 | 0 |
| 1999 | 15 | 0 |
| 2000 | 20 | 0 |
| 2001 | 20 | 4 |
| 2002 | 12 | 13 |
| 2003 | 20 | 15 |
| 2004 | 7 | 18 |
| 2005 | 15 | 20 |
| 2006 | 15 | 30 |
| 2007 | 10 | 11 |
| 2008 | 20 | 27 |
| 2009 | 16 | 21 |
| 2010 | 20 | 29 |
| 2011 | 18 | 28 |
| 2012 | 12 | 28 |
| 2013 | 21 | 34 |
| 2014 | 21 | 37 |
| 2015 | 25 | 31 |
| 2016 | 42 | 35 |
| 2017 | 37 | 42 |
| 2018 | 39 | 37 |
| 2019 | 38 | 45 |
| 2020 | 39 | 41 |
| 2021 | 31 | 54 |
| 2022 | 33 | 52 |
| 2023 | 46 | 54 |
| 2024 | 46 | 65 |
| 2025 | 40 | 59 |
| 2026 | 34 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 21/9018Dirt detection in containers253
- G01N 21/909In opaque containers or opaque container parts191
- G01N 21/9054Inspection of sealing surface and container finish160
- G01N 21/9036Using arrays of emitters or receivers126
- G01N 21/9009Non-optical constructional details affecting optical inspection107
- G01N 21/9081Inspection especially designed for plastic containers86
- G01N 21/9045Inspection of ornamented or stippled container walls52
- G01N 21/9072With illumination or detection from inside the container46
All 9 subgroupsShow fewer
Recent patents
- Image augmentation techniques for automated visual inspection15 Sep 2026US 12,737,927 B2Amgen Inc.
- Method for carrying out a setting operation of a container inspection apparatus, and container inspection apparatus8 Sep 2026US 12,730,078 B2Krones AG
- Apparatuses, systems and methods for vial seal inspection1 Sep 2026US 12,723,943 B2Amgen Inc.
- Method and apparatus for inspecting full containers1 Sep 2026US 12,723,990 B2Heuft Systemtechnik GmbH
- Optical-computing device and method for analysing light passing through a container made of transparent or translucent material by means of a digital polarimetric camera25 Aug 2026US 12,716,850 B2Tiama
- Inspection device and inspection method8 Oct 2026US 2026/0309641 A1Hitachi Industry & Control Solutions, Ltd.
- A method for detecting anomalies in an opening device10 Sep 2026US 2026/0266739 A1Tetra Laval Holdings & Finance S. A.
- Carrying apparatus27 Aug 2026US 2026/0250076 A1Finatec Holding AG
- Container holder device20 Aug 2026US 2026/0243658 A1GasPorOx AB
- Module for a Container Treatment Machine6 Aug 2026US 2026/0225871 A1
Most cited
By later US patents
- Container inspection system125US 5,220,400 ATexas Instruments Incorporated · 1993
- Machine vision inspection system and method for transparent containers111US 5,095,204 ABall Corporation · 1992
- Bottle inspection system103US 4,691,231 AVistech Corporation · 1987
- Method and apparatus for inspecting liquid-filled containers96US 5,523,560 ANovoNordisk A/S · 1996
- Machine for inspecting the shape of a container having a two dimensional camera for viewing the shadow of the projection of the container91US 5,280,170 AEmhart Glass Machinery Investments Inc. · 1994