C01C 1/047
By condensation
Official title: {by condensation}
C01C1/047 (By condensation) appears on 18 US grants and 26 published applications in this corpus.
Search patents in C01C- Granted patents
- 18
- Published applications
- 26
- Assignees
- 21
- Inventors
- 66
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 8 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control of an ammonia synthesis loop at partial load23 Jun 2026US 12,662,388 B2Casale SA
- Ammonia synthesis system and ammonia production method27 Jan 2026US 12,534,375 B2Tsubame BHB Co., Ltd.
- Ammonia synthesis system and ammonia production method28 Jan 2025US 12,209,025 B2Tsubame BHB Co., Ltd.
- High energy recovery nitric acid process using liquid oxygen containing fluid20 Feb 2024US 11,905,172 B2Yara International Asa
- Synthesis of ammonia with internal cooling circuit6 Sep 2022US 11,434,141 B2Linde Aktiengesellschaft
- Systems and methods for the production of ammonia7 May 2026US 2026/0125273 A1
- Ammonia synthesis system and operation method thereof10 Jul 2025US 2025/0223182 A1SK Innovation Co., Ltd.
- Method for controlling a synthesis loop10 Jul 2025US 2025/0223248 A1Casale SA
- Control of an ammonia synthesis loop at partial load3 Jul 2025US 2025/0214853 A1Casale SA
- Ammonia Synthesis Using A Reaction Apparatus8 May 2025US 2025/0145481 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Process for synthesizing ammonia from hydrocarbons18US 4,376,758 AMontedison S.p.A. · 1983
- Process for production of ammonia9US 4,107,277 A1978
- Ammonia synthesis6US 4,689,208 AImperial Chemical Industries PLC · 1987
- Ammonia synthesis plant6US 5,032,364 AImperial Chemical Industries PLC · 1991
- Process for distilling ammoniacal solutions4US 4,318,782 AMontedison S.p.A. · 1982