G01N 2021/151
Gas blown
Official title: {Gas blown}
G01N2021/151 (Gas blown) appears on 200 US grants and 185 published applications in this corpus.
Search patents in G01N- Granted patents
- 200
- Published applications
- 185
- Assignees
- 177
- Inventors
- 552
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 4 |
| 2004 | 4 | 4 |
| 2005 | 4 | 9 |
| 2006 | 6 | 7 |
| 2007 | 4 | 10 |
| 2008 | 9 | 5 |
| 2009 | 6 | 5 |
| 2010 | 8 | 8 |
| 2011 | 3 | 8 |
| 2012 | 6 | 8 |
| 2013 | 10 | 8 |
| 2014 | 5 | 6 |
| 2015 | 9 | 5 |
| 2016 | 7 | 16 |
| 2017 | 9 | 10 |
| 2018 | 14 | 4 |
| 2019 | 12 | 13 |
| 2020 | 11 | 11 |
| 2021 | 4 | 11 |
| 2022 | 7 | 9 |
| 2023 | 7 | 7 |
| 2024 | 8 | 8 |
| 2025 | 9 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas flow configurations for semiconductor inspections17 Mar 2026US 12,578,285 B2KLA Corporation
- Optical probe device for analyzing component of underwater substance and method of analyzing component of underwater substance by using the same11 Nov 2025US 12,467,854 B1Answeray Inc.
- Method and apparatus for quantitative chemical analysis of liquid metals and alloys28 Oct 2025US 12,455,246 B2Dte Ehf.
- Sensor purge techniques and related systems and methods14 Oct 2025US 12,442,755 B2Formlabs, Inc.
- Method for detecting primary gas flows in flow chambers, use of a gas mixture therefor and gas mixture14 Oct 2025US 12,442,763 B2La Vision GmbH
- Local gas path driven passive purge for optical probe23 Apr 2026US 2026/0110623 A1Rtx Corporation
- System and method for upstream purging in inspection systems16 Apr 2026US 2026/0104349 A1KLA Corporation
- Material measurement system29 Jan 2026US 2026/0029327 A1Growmark, Inc.
- Analysis apparatus15 Jan 2026US 2026/0016414 A1FUJIFILM Corporation
- Housing unit and camera unit20 Nov 2025US 2025/0355242 A1Kowa Company, Ltd.
Most cited
By later US patents
- Gas analysis system having buffer gas inputs to protect associated optical elements123US 5,153,671 ABOC Health Care, Inc. · 1992
- Method and apparatus for protecting surfaces of optical components119US 7,138,640 B1KLA-Tencor Technologies Corporation · 2006
- Laser spectroscopy/chromatography drill bit and methods71US 7,147,064 B2Gas Technology Institute · 2006
- Filter cleaning system for opacity monitor47US 4,583,859 AThe Babcock & Wilcox Company · 1986
- Camera housing with self-cleaning view port45US 7,522,834 B2Papertech Inc. · 2009