G01N 2021/891
Edge discrimination
Official title: {Edge discrimination, e.g. by signal filtering}
G01N2021/891 (Edge discrimination) appears on 16 US grants and 12 published applications in this corpus.
Search patents in G01N- Granted patents
- 16
- Published applications
- 12
- Assignees
- 17
- Inventors
- 47
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Curved substrate bubble detection method and detection system25 Nov 2025US 12,480,886 B2Beijing BOE Technology Development Co., Ltd.
- Diaphragm detection method, device and apparatus18 Nov 2025US 12,475,549 B2Contemporary Amperex Technology (Hong Kong) Limited
- Method for testing a functional unit for use on a moving material web13 Apr 2021US 10,974,918 B2BST eltromat International GmbH
- Image inspection apparatus and image inspection method17 Dec 2019US 10,508,994 B2Keyence Corporation
- Method for binary to contone conversion with non-solid edge detection4 Oct 2016US 9,460,491 B2Xerox Corporation
- Electrode assembly manufacturing device and electrode assembly manufacturing method19 Sep 2024US 2024/0313252 A1LG Energy Solution, Ltd.
- Curved substrate bubble detection method and detection system29 Aug 2024US 2024/0288376 A1Boe Technology Group Co., Ltd.
- Diaphragm detection method, device and apparatus4 Jan 2024US 2024/0005474 A1Contemporary Amperex Technology Co., Limited
- Machine vision system for inspecting quality of various non-woven materials15 Jun 2023US 2023/0186454 A1Valco Cincinnati, Inc.
- Method for Testing a Functional Unit for Use on a Moving Material Web6 Feb 2020US 2020/0039208 A1BST eltromat International GmbH
Most cited
By later US patents
- Web inspection system64US 6,750,466 B2Wintriss Engineering Corporation · 2004
- Apparatus and method for detecting defects in a moving web29US 4,728,800 AYoung Engineering, Inc. · 1988
- Flaw detector for detecting flaws in a sheet25US 4,724,481 AFutec Inc. · 1988
- Optical sheet inspection system25US 5,132,791 ABall Corporation · 1992
- Method and apparatus for detecting edge cracks11US 5,166,536 A1992