G01N 33/0054
Ammonia
Official title: {Ammonia}
G01N33/0054 (Ammonia) appears on 220 US grants and 287 published applications in this corpus.
Search patents in G01N- Granted patents
- 220
- Published applications
- 287
- Assignees
- 211
- Inventors
- 775
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 5 | 8 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 4 | 6 |
| 2007 | 3 | 7 |
| 2008 | 3 | 4 |
| 2009 | 2 | 11 |
| 2010 | 5 | 13 |
| 2011 | 5 | 5 |
| 2012 | 8 | 9 |
| 2013 | 8 | 7 |
| 2014 | 4 | 17 |
| 2015 | 6 | 13 |
| 2016 | 11 | 16 |
| 2017 | 13 | 21 |
| 2018 | 15 | 20 |
| 2019 | 16 | 24 |
| 2020 | 15 | 16 |
| 2021 | 15 | 20 |
| 2022 | 19 | 13 |
| 2023 | 11 | 13 |
| 2024 | 10 | 8 |
| 2025 | 9 | 14 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and systems for monitoring and measuring the amount of a gas dissolved in a liquid22 Sep 2026US 12,742,765 B2Searas AS
- Modular wearable safety device25 Aug 2026US 12,718,678 B1Saudi Electricity Company
- Sensor element and gas sensor17 Feb 2026US 12,553,874 B2NGK Insulators, Ltd.
- Freshness sensor devices and related methods13 Jan 2026US 12,523,642 B2The Kroger Co.
- Gas sensor18 Nov 2025US 12,474,286 B2Consejo Superior de Investigaciones Cientificas
- Analysis device, program for analysis device, and analysis method27 Aug 2026US 2026/0251560 A1Horiba, Ltd.
- Analysis system for hydrocarbon components in ultrapure ammonia13 Aug 2026US 2026/0235559 A1Lansis Instrument (Shanghai) Co., Ltd
- Electronic nose for rapid detection23 Jul 2026US 2026/0210922 A1Ainos, Inc.
- Freshness sensor devices and related methods16 Jul 2026US 2026/0202390 A1The Kroger Co.
- Integrated Sensing System for Water Quality Monitoring and Management21 May 2026US 2026/0140101 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- Method and apparatus for detecting toxic gases499US 5,057,436 AAgMaster, Inc. · 1991
- Noninvasive diagnosis of gastritis and duodenitis47US 4,947,861 A1990
- Ammonia nanosensors, and environmental control system43US 8,152,991 B2Nanomix, Inc. · 2012
- Ammonia sensor37US 5,252,292 A1993
- Method for detecting vapor and liquid reactants31US 5,322,797 ASouthwest Research Institute · 1994