G01N 2201/0236
Explosion proof
G01N2201/0236 (Explosion proof) appears on 9 US grants and 9 published applications in this corpus.
Search patents in G01N- Granted patents
- 9
- Published applications
- 9
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gas detector with thermal dissipation30 Jun 2026US 12,669,488 B2Hand Held Products, Inc.
- Laser gas sensor with explosion proof enclosure14 Apr 2026US 12,603,708 B2Boreal Laser Inc.
- Explosion-proof and flameproof enclosure for Raman systems26 Dec 2023US 11,852,533 B2Endress+Hauser Optical Analysis, Inc.
- Gas analysis device23 Nov 2021US 11,181,475 B2Yokogawa Electric Corporation
- Intrinsically safe spectroscopic analyzer3 Aug 2021US 11,079,316 B2SpectraSensors, Inc.
- Laser gas sensor with explosion proof enclosure23 Oct 2025US 2025/0330245 A1Boreal Laser Inc.
- Gas detector with thermal dissipation20 Feb 2025US 2025/0060347 A1Hand Held Products, Inc.
- Explosion-proof and flameproof enclosure for raman systems23 Jun 2022US 2022/0196473 A1Kaiser Optical Systems
- Spectrophotometer for use in explosive atmospheres26 Mar 2020US 2020/0096440 A1HF Scientific, Inc.
- Gas analysis device10 Oct 2019US 2019/0310188 A1Yokogawa Electric Corporation
Most cited
By later US patents