F25J 3/04848
Control strategy
Official title: {Control strategy, e.g. advanced process control or dynamic modeling}
F25J3/04848 (Control strategy) appears on 49 US grants and 49 published applications in this corpus.
Search patents in F25J- Granted patents
- 49
- Published applications
- 49
- Assignees
- 20
- Inventors
- 133
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 3 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 5 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for configuring a control system for a process plant29 Sep 2026US 12,747,912 B2Linde Aktiengesellschaft
- Method for operating a process plant10 Mar 2026US 12,571,586 B2Linde Aktiengesellschaft
- Carbon-based oxygen-enriched combustion method for recirculation of flue gas from cement kiln24 Jun 2025US 12,339,062 B2Hangzhou Turning Energy Technology Development Co., Ltd.
- Method for monitoring a process engineering installation, and process engineering installation18 Feb 2025US 12,228,898 B2Linde Aktiengesellschaft
- System for controlling an argon flow rate at the outlet of a distillation column2 Apr 2024US 11,946,693 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for producing argon by cryogenic air separation23 Jul 2026US 2026/0210624 A1
- Method for increasing production flexibility of an air separation unit28 May 2026US 2026/0146790 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Multimodal microgrid system2 Apr 2026US 2026/0095051 A1Linkville Land Holdings LLC
- High-purity oxygen production apparatus5 Mar 2026US 2026/0063360 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for controlling cooling of an electrolyzer unit24 Jul 2025US 2025/0236968 A1ACWA POWER Company
Most cited
By later US patents
- Statistical process control for air separation process99US 5,257,206 APraxair Technology, Inc. · 1993
- Chemical process optimization method46US 5,315,521 APraxair Technology, Inc. · 1994
- Two-phase method for real time process control37US 5,329,443 APraxair Technology, Inc. · 1994
- Knowledge based diagnostic advisory system and method for an air separation plant28US 5,557,549 APraxair Technology, Inc. · 1996
- Process and system for controlling a cryogenic air separation unit during rapid changes in production23US 5,224,336 AAir Products and Chemicals, Inc. · 1993