G01B 7/345
For measuring evenness
Official title: {for measuring evenness}
G01B7/345 (For measuring evenness) appears on 120 US grants and 34 published applications in this corpus.
Search patents in G01B- Granted patents
- 120
- Published applications
- 34
- Assignees
- 108
- Inventors
- 254
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 4 |
| 2003 | 4 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 6 |
| 2020 | 3 | 3 |
| 2021 | 4 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contactless detection of vibrations in metal belts14 Jul 2026US 12,680,806 B2Primetals Technologies Germany GmbH
- Contactless capacitive measurement tool with improved throughput and accuracy7 Oct 2025US 12,435,964 B2Tokyo Electron Limited
- Hybrid socket warp indicator20 Feb 2024US 11,906,574 B2International Business Machines Corporation
- System and method for warpage detection in a CMOS bonded array20 Jun 2023US 11,682,595 B2Western Digital Technologies, Inc.
- Hand tool edge tester18 Oct 2022US 11,474,014 B1Razor Edge Systems, Inc.
- Method for modeling wafer shape, and method for manufacturing wafer26 Feb 2026US 2026/0057163 A1Sumco Corporation
- Contactless capacitive measurement tool with improved throughput and accuracy22 May 2025US 2025/0164230 A1Tokyo Electron Limited
- Improved contactless detection of vibrations in metal belts21 Nov 2024US 2024/0384977 A1Primetals Technologies Germany GmbH
- Hybrid socket warp indicator12 Jan 2023US 2023/0009784 A1International Business Machines Corporation
- Air-bearing chuck21 Apr 2022US 2022/0118587 A1Nanjing LiAn Semiconductor Limited
Most cited
By later US patents
- In situ monitoring technique and apparatus for chemical/mechanical planarization endpoint detection220US 5,081,421 AAT&T Bell Laboratories · 1992
- In-situ endpoint detection method and apparatus for chemical-mechanical polishing using low amplitude input voltage125US 5,337,015 AInternational Business Machines Corporation · 1994
- Apparatus and method for measuring ball grid arrays83US 5,574,668 A1996
- Metrological apparatus70US 4,807,152 ARank Taylor Hobson Limited · 1989
- Method and apparatus for roll profile measurement61US 5,048,353 ABeloit Corporation · 1991