G01N 2021/8967
Discriminating defects on opposite sides or at different depths of sheet or
Official title: {Discriminating defects on opposite sides or at different depths of sheet or rod}
G01N2021/8967 (Discriminating defects on opposite sides or at different depths of sheet or) appears on 44 US grants and 45 published applications in this corpus.
Search patents in G01N- Granted patents
- 44
- Published applications
- 45
- Assignees
- 30
- Inventors
- 102
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 4 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 4 |
| 2017 | 5 | 2 |
| 2018 | 2 | 3 |
| 2019 | 3 | 4 |
| 2020 | 6 | 6 |
| 2021 | 1 | 3 |
| 2022 | 3 | 5 |
| 2023 | 3 | 2 |
| 2024 | 5 | 2 |
| 2025 | 4 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for discriminating defects present on a frontside from defects present on a backside of a transparent substrate31 Mar 2026US 12,590,905 B2Unity Semiconductor Corporation
- Device for inspecting the surface of a transparent object, and corresponding method16 Dec 2025US 12,498,331 B2Isra Vision AG
- Lithium ion conducting sulfide glass fabrication6 May 2025US 12,294,050 B2PolyPlus Battery Company
- Making and inspecting a web of vitreous lithium sulfide separator sheet and lithium electrode assemblies and battery cells6 May 2025US 12,294,051 B2PolyPlus Battery Company
- Methods and apparatus for inspecting a material11 Feb 2025US 12,222,297 B2Corning Incorporated
- Systems and methods for testing optical plates16 Jul 2026US 2026/0202351 A1Lumus Ltd.
- A method and system for discriminating defects present on a frontside from defects present on a backside of a transparent substrate13 Feb 2025US 2025/0052692 A1Unity Semiconductor Corporation
- Solid electrodes, assemblies and solid state batteries thereof31 Oct 2024US 2024/0363895 A1PolyPlus Battery Company
- Device for inspecting the surface of a transparent object, and corresponding method28 Mar 2024US 2024/0102940 A1Isra Vision AG
- Time domain multiplexed defect scanner26 Oct 2023US 2023/0341332 A1Lumina Instruments Inc.
Most cited
By later US patents
- Defect inspecting apparatus using multiple color light to detect defects60US 5,072,128 ANikon Corporation · 1991
- Process and device for inspecting transparent material33US 5,598,262 AThomson-CSF · 1997
- Methods of making and inspecting a web of vitreous lithium sulfide separator sheet and lithium electrode assemblies26US 10,601,071 B2PolyPlus Battery Company · 2020
- Defect inspection method and apparatus for transparent plate-like members15US 7,420,671 B2Asahi Glass Company, Limited · 2008
- Method and apparatus for determining the optical quality of a transparent plate13US 5,210,592 AFlachglas Aktiengesellschaft · 1993