G01J 5/051
Using a gas purge
Official title: {using a gas purge}
G01J5/051 (Using a gas purge) appears on 81 US grants and 62 published applications in this corpus.
Search patents in G01J- Granted patents
- 81
- Published applications
- 62
- Assignees
- 72
- Inventors
- 244
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 3 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 5 |
| 2010 | 2 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 3 | 6 |
| 2015 | 1 | 4 |
| 2016 | 5 | 3 |
| 2017 | 4 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 4 |
| 2022 | 2 | 3 |
| 2023 | 2 | 2 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for measuring temperature7 Apr 2026US 12,598,940 B2SCREEN Holdings Co., Ltd.
- Thermal imaging assembly16 Dec 2025US 12,498,561 B2Global Clean Coal Technologies Pty Ltd
- Sensor purge techniques and related systems and methods14 Oct 2025US 12,442,755 B2Formlabs, Inc.
- Flame detector lens maintenance system29 Jul 2025US 12,372,410 B2GE Infrastructure Technology LLC
- Arrangement and method for measuring the temperature of a web, as well as a method for performing the steps of the measuring the temperature29 Oct 2024US 12,130,184 B2Ircon Drying Systems AB
- Device and system for in-situ scanning substrate temperature in an epitaxial reactor30 Apr 2026US 2026/0117387 A1Lpe S.P.A.
- Thermal imaging assembly12 Mar 2026US 2026/0072270 A1Global Clean Coal Technologies Pty Ltd
- Integrally cooled optical probe19 Feb 2026US 2026/0049870 A1Rtx Corporation
- Temperature measuring device and furnace including the same17 Jul 2025US 2025/0231068 A1Illinois Tool Works Inc.
- Probe Housing and Probe Device Having a Sensor and a Probe Housing27 Mar 2025US 2025/0102483 A1Deutsches Zentrum für Luft- und Raumfahrt e. V.
Most cited
By later US patents
- Flame detector for use with a burner65US 4,709,155 ABabcock-Hitachi Kabushiki Kaisha · 1987
- Immersion infrared thermometer for molten materials59US 4,737,038 AVanzetti Systems, Inc. · 1988
- Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases41US 4,539,588 AWeyerhaeuser Company · 1985
- Asymmetric purge air system for cleaning a lens37US 4,836,689 ARosemount Inc. · 1989
- Radiation thermometry37US 4,881,823 APurdue Research Foundation · 1989