B01J 2219/00024
Revamping, retrofitting or modernisation of existing plants
B01J2219/00024 (Revamping, retrofitting or modernisation of existing plants) appears on 151 US grants and 174 published applications in this corpus.
Search patents in B01J- Granted patents
- 151
- Published applications
- 174
- Assignees
- 76
- Inventors
- 330
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 2 |
| 2002 | 3 | 7 |
| 2003 | 3 | 2 |
| 2004 | 4 | 3 |
| 2005 | 3 | 3 |
| 2006 | 7 | 9 |
| 2007 | 2 | 7 |
| 2008 | 3 | 9 |
| 2009 | 5 | 6 |
| 2010 | 12 | 7 |
| 2011 | 3 | 7 |
| 2012 | 7 | 6 |
| 2013 | 5 | 3 |
| 2014 | 7 | 14 |
| 2015 | 4 | 11 |
| 2016 | 6 | 9 |
| 2017 | 9 | 12 |
| 2018 | 6 | 8 |
| 2019 | 11 | 5 |
| 2020 | 5 | 8 |
| 2021 | 10 | 8 |
| 2022 | 6 | 6 |
| 2023 | 5 | 3 |
| 2024 | 4 | 8 |
| 2025 | 2 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Furnace for implementing an endothermic process11 Aug 2026US 12,704,257 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Reactor for the synthesis of urea14 Jul 2026US 12,679,803 B2Casale SA
- Method for converting an existing industrial unit to produce hydrogen from ammonia17 Jun 2025US 12,331,388 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Integrated production of urea for Diesel Exhaust Fluid and urea ammonium nitrate28 Jan 2025US 12,209,061 B2Stamicarbon B. V.
- Coupled urea melamine production with HP CO2 stripping5 Nov 2024US 12,134,590 B2Stamicarbon B. V.
- System for producing technical grade ammonium nitrate and method of producing thereof17 Sep 2026US 2026/0274696 A1Yara International Asa
- Urea plant with valve; urea production process; use and method21 May 2026US 2026/0138106 A1Stamicarbon B. V.
- Urea plant with modified condenser and modified reactor internals7 May 2026US 2026/0124595 A1Stamicarbon B. V.
- Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate24 Jul 2025US 2025/0236587 A1Stamicarbon B. V.
- Reactor for the synthesis of urea24 Apr 2025US 2025/0128232 A1Casale SA
Most cited
By later US patents
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001
- Catalytic partial oxidation reforming for syngas processing and products made therefrom82US 7,932,296 B2Kellogg Brown & Root LLC · 2011
- Gas-liquid reaction process including ejector and monolith catalyst53US 6,506,361 B1Air Products and Chemicals, Inc. · 2003
- Fixed bed reactor assembly having a guard catalyst bed44US 5,879,642 AChevron U. S. A. Inc. · 1999
- Bimodal acetic acid manufacture31US 6,531,630 B22003