G01N 33/0072
By generating a test gas
Official title: {by generating a test gas}
G01N33/0072 (By generating a test gas) appears on 42 US grants and 64 published applications in this corpus.
Search patents in G01N- Granted patents
- 42
- Published applications
- 64
- Assignees
- 34
- Inventors
- 131
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 6 |
| 2018 | 3 | 5 |
| 2019 | 4 | 4 |
| 2020 | 3 | 6 |
| 2021 | 7 | 8 |
| 2022 | 5 | 2 |
| 2023 | 2 | 5 |
| 2024 | 4 | 4 |
| 2025 | 6 | 2 |
| 2026 | 0 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection system and detection method for composite detector18 Nov 2025US 12,474,315 B2Cornex New Energy Co., Ltd.
- Micro-environment apparatus and method for air sensor9 Sep 2025US 12,411,118 B2Grand Valley State University
- Gas detection system and control method for gas detection system15 Jul 2025US 12,360,095 B2Panasonic Intellectual Property Management Co., Ltd.
- System and method for gas reuse in testing of hazardous gas detecting instruments1 Apr 2025US 12,265,071 B2Honeywell International Inc.
- Chemical capture system with integrated calibration and method of using such a system11 Mar 2025US 12,247,964 B2Ellona
- Apparatus for testing electronic semiconductor components1 Oct 2026US 2026/0298900 A1
- System and method of wireless instrument charging4 Jun 2026US 2026/0155680 A1Industrial Scientific Corporation
- Breathalyzer Test Container Assembly For Storing And Releasing Gases21 May 2026US 2026/0140100 A1
- Station and method for measuring airborne molecular contamination14 May 2026US 2026/0133169 A1Pfeiffer Vacuum GmbH
- System and method of bump testing in a monitoring platform30 Apr 2026US 2026/0118335 A1Industrial Scientific Corporation
Most cited
By later US patents
- Apparatus for testing carbon monoxide alarms25US 6,282,940 B1Patrick Plastics Inc. · 2001
- Electrochemical sensor for detecting a predetermined gas11US 6,358,384 B1National Draeger Incorporated · 2002
- Method for testing a gas sensor and gas-measuring device with a testing device for testing a gas sensor10US 10,132,786 B2Dräger Safety AG & Co. KGaA · 2018
- Testing apparatus for gas sensors9US 6,098,523 ADraeger Safety, Inc. · 2000
- Micro-environment apparatus and method for air sensor6US 12,411,118 B2Grand Valley State University · 2025