C01C 1/0482
Process control
Official title: {Process control; Start-up or cooling-down procedures}
C01C1/0482 (Process control) appears on 47 US grants and 58 published applications in this corpus.
Search patents in C01C- Granted patents
- 47
- Published applications
- 58
- Assignees
- 38
- Inventors
- 120
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 4 |
| 2012 | 0 | 4 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 3 | 7 |
| 2024 | 2 | 7 |
| 2025 | 3 | 12 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and process to provide cooling water for ammonia and or hydrogen productions25 Aug 2026US 12,714,978 B2Air Products and Chemicals, Inc.
- Control of an ammonia synthesis loop at partial load23 Jun 2026US 12,662,388 B2Casale SA
- Ammonia synthesis converter and method for small production units14 Apr 2026US 12,600,641 B2
- Method for the control of pressure in a loop for the preparation of ammonia or methanol17 Feb 2026US 12,552,677 B2Topsoe A/S
- Method for the control of pressure in a loop for the preparation of ammonia or methanol10 Feb 2026US 12,545,592 B2Topsoe A/S
- Ammonia Synthesis Converter and Method for Small Production Units8 Oct 2026US 2026/0308001 A1AmmPower America LLC
- Ammonia synthesis system16 Jul 2026US 2026/0200746 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
- Ammonia reactor and methods14 May 2026US 2026/0132021 A1United Kingdom Research and Innovation
- Process for operating an ammonia synthesis with varying plant utilization11 Sep 2025US 2025/0282629 A1thyssenkrupp AG
- System and method for controlling cooling of an electrolyzer unit24 Jul 2025US 2025/0236968 A1ACWA POWER Company
Most cited
By later US patents
- Nanotechnology for engineering the performance of substances140US 6,531,704 B2NanoProducts Corporation · 2003
- Method and device for transforming chemical compositions120US 6,214,195 B1Nanomaterials Research Corporation · 2001
- Field assisted transformation of chemical and material compositions99US 6,267,864 B1Nanomaterials Research Corporation · 2001
- Membrane unit turn-down control system43US 4,857,082 AAir Products and Chemicals, Inc. · 1989
- Ammonia production with enriched air reforming and nitrogen injection into the synthesis loop39US 5,736,116 AThe M. W. Kellogg Company · 1998