F25J 3/04763
Start-up or control of the process
Official title: {Start-up or control of the process; Details of the apparatus used}
F25J3/04763 (Start-up or control of the process) appears on 862 US grants and 735 published applications in this corpus.
Search patents in F25J- Granted patents
- 862
- Published applications
- 735
- Assignees
- 181
- Inventors
- 1,107
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 12 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 25 | 0 |
| 1995 | 26 | 0 |
| 1996 | 22 | 0 |
| 1997 | 39 | 0 |
| 1998 | 27 | 0 |
| 1999 | 39 | 0 |
| 2000 | 33 | 0 |
| 2001 | 47 | 10 |
| 2002 | 32 | 26 |
| 2003 | 33 | 20 |
| 2004 | 18 | 30 |
| 2005 | 16 | 13 |
| 2006 | 14 | 29 |
| 2007 | 16 | 22 |
| 2008 | 11 | 23 |
| 2009 | 14 | 21 |
| 2010 | 6 | 27 |
| 2011 | 10 | 29 |
| 2012 | 3 | 26 |
| 2013 | 13 | 29 |
| 2014 | 12 | 35 |
| 2015 | 18 | 28 |
| 2016 | 21 | 36 |
| 2017 | 28 | 36 |
| 2018 | 29 | 35 |
| 2019 | 38 | 49 |
| 2020 | 30 | 35 |
| 2021 | 25 | 34 |
| 2022 | 25 | 37 |
| 2023 | 19 | 32 |
| 2024 | 23 | 33 |
| 2025 | 28 | 21 |
| 2026 | 16 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for configuring a control system for a process plant29 Sep 2026US 12,747,912 B2Linde Aktiengesellschaft
- Dual temperature liquid oxygen subcooling in an air separation unit22 Sep 2026US 12,742,591 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Air separation unit and method for cryogenic separation of air using a distillation column system including an intermediate pressure kettle column15 Sep 2026US 12,736,282 B2Praxair Technology, Inc.
- Apparatus and process for improved argon recovery8 Sep 2026US 12,729,908 B2Air Products and Chemicals, Inc.
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions25 Aug 2026US 12,716,650 B2Saipem S.P.A.
- Method for cryogenic separation of air, and air separation plant10 Sep 2026US 2026/0266538 A1
- Method for cryogenic separation of air, and air separation system10 Sep 2026US 2026/0266539 A1Linde Aktiengesellschaft
- Cold box and method of assembly27 Aug 2026US 2026/0251388 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for purifying air and cryogenic air separation process and plant20 Aug 2026US 2026/0243508 A1
- Process and apparatus for intermittent liquefaction operation that can support continuous air separation processing6 Aug 2026US 2026/0227123 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Hydrocarbon combustion power generation system with CO2 sequestration337US 6,389,814 B1Clean Energy Systems, Inc. · 2002
- Hydrocarbon combustion power generation system with CO2 sequestration216US 7,043,920 B2Clean Energy Systems, Inc. · 2006
- Hydrocarbon combustion power generation system with CO2 sequestration209US 6,170,264 B2Clean Energy Systems, Inc. · 2001
- Hydrocarbon combustion power generation system with CO2 sequestration163US 6,598,398 B2Clean Energy Systems, Inc. · 2003
- Low pollution power generation system with ion transfer membrane air separation154US 6,945,029 B2Clean Energy Systems, Inc. · 2005