C01B 3/047
Decomposition of ammonia
C01B3/047 (Decomposition of ammonia) appears on 223 US grants and 413 published applications in this corpus.
Search patents in C01B- Granted patents
- 223
- Published applications
- 413
- Assignees
- 197
- Inventors
- 833
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 3 |
| 2003 | 1 | 3 |
| 2004 | 0 | 3 |
| 2005 | 4 | 2 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 3 | 4 |
| 2009 | 2 | 4 |
| 2010 | 2 | 1 |
| 2011 | 3 | 7 |
| 2012 | 5 | 7 |
| 2013 | 2 | 8 |
| 2014 | 5 | 10 |
| 2015 | 9 | 6 |
| 2016 | 6 | 7 |
| 2017 | 3 | 7 |
| 2018 | 9 | 14 |
| 2019 | 7 | 10 |
| 2020 | 9 | 24 |
| 2021 | 13 | 7 |
| 2022 | 11 | 22 |
| 2023 | 23 | 35 |
| 2024 | 30 | 90 |
| 2025 | 37 | 67 |
| 2026 | 23 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for synthesising a liquid organic hydrogen carrier (LOHC) loaded with hydrogen using hydrogen produced from a methanisation digestate6 Oct 2026US 12,753,071 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Process and apparatus for cracking ammonia22 Sep 2026US 12,741,867 B2Air Products and Chemicals, Inc.
- Systems and methods for supplying gaseous ammonia to serially-connected ammonia cracking units1 Sep 2026US 12,723,559 B2First Ammonia Motors, Inc.
- Method for preparing hydrogen from ammonia by using pressure swing adsorption18 Aug 2026US 12,708,871 B2Posco
- Plasma reactor and plasma chemical reactions18 Aug 2026US 12,708,890 B2Nanoplazz Technologies Ltd.
- Bimetallic catalysts supported on lanthanum manganite (lamno3) for ammonia decomposition8 Oct 2026US 2026/0307984 A1King Fahd University of Petroleum and Minerals
- Reactor, system and process for cracking ammonia8 Oct 2026US 2026/0307985 A1Johnson Matthey Davy Technologies Limited
- Ammonia cracking system and method for cracking ammonia8 Oct 2026US 2026/0309325 A1IHI Corporation
- Tri-metallic catalyst for ammonia cracking, preparation method therefor, and production method for hydrogen using same24 Sep 2026US 2026/0284640 A1Heesung Catalysts Corporation
- Reactors for the decomposition of nh3 at high temperatures24 Sep 2026US 2026/0284643 A1thyssenkrupp AG
Most cited
By later US patents
- Ammonia cracker for production of hydrogen62US 6,936,363 B2Apollo Energy Systems, Incorporated · 2005
- Hydrogen-selective membrane52US 5,652,020 AState of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 1997
- Composite, method for producing composite, ammonia synthesis catalyst, and ammonia synthesis method46US 10,322,940 B2Japan Science and Technology Agency · 2019
- Getter materials for cracking ammonia46US 5,976,723 A1999
- Autothermal ammonia cracker34US 8,961,923 B22015