C25B 1/27
Ammonia
C25B1/27 (Ammonia) appears on 88 US grants and 240 published applications in this corpus.
Search patents in C25B- Granted patents
- 88
- Published applications
- 240
- Assignees
- 155
- Inventors
- 554
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 4 |
| 2012 | 3 | 3 |
| 2013 | 4 | 3 |
| 2014 | 2 | 3 |
| 2015 | 5 | 4 |
| 2016 | 1 | 5 |
| 2017 | 4 | 7 |
| 2018 | 3 | 5 |
| 2019 | 7 | 8 |
| 2020 | 5 | 8 |
| 2021 | 3 | 17 |
| 2022 | 2 | 17 |
| 2023 | 8 | 29 |
| 2024 | 8 | 40 |
| 2025 | 7 | 41 |
| 2026 | 15 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous Zn||NO2 electrochemical cell6 Oct 2026US 12,756,037 B2City University of Hong Kong
- Ammonia manufacturing apparatus and ammonia manufacturing method1 Sep 2026US 12,723,315 B2Kabushiki Kaisha Toshiba
- Apparatus and process to provide cooling water for ammonia and or hydrogen productions25 Aug 2026US 12,714,978 B2Air Products and Chemicals, Inc.
- Catalyst, its preparation and its use in ammonia synthesis25 Aug 2026US 12,716,139 B2City University of Hong Kong
- Impedance monitoring of a modular electrolysis system25 Aug 2026US 12,716,141 B2Ohmium International, Inc.
- Systems and methods of ammonia synthesis1 Oct 2026US 2026/0297781 A1Ohmium International, Inc.
- Redox mediated electrochemical reaction of a gas17 Sep 2026US 2026/0275538 A1Schlumberger Technology Corporation
- Method for producing a compound and apparatus for producing a compound27 Aug 2026US 2026/0250131 A1Helander Holding Oy
- Mixed ferrite nanoparticles and uses thereof27 Aug 2026US 2026/0250149 A1Institut National De La Recherche Scientifique
- Waste heat utilization-based bioelectrochemical ammonia recovery stack system and ammonia recovery method27 Aug 2026US 2026/0250860 A1Tianjin University
Most cited
By later US patents
- Mineral accretion of large surface structures, building components and elements44US 4,246,075 AMarine Resources, Inc. · 1981
- Electrochemical synthesis of ammonia32US 7,314,544 B2Lynntech, Inc. · 2008
- Systems and methods for sustainable economic development through integrated full spectrum production of renewable energy32US 9,231,267 B2McAlister Technologies, LLC · 2016
- Ammonia synthesis method and catalyst for ammonia synthesis24US 10,131,545 B2Nippon Shokubai Co., Ltd. · 2018
- Electrochemical reactor and process23US 9,551,076 B2Clean Chemistry, Inc. · 2017