F25J 3/0295
Start-up or control of the process
Official title: {Start-up or control of the process; Details of the apparatus used, e.g. sieve plates, packings}
F25J3/0295 (Start-up or control of the process) appears on 156 US grants and 194 published applications in this corpus.
Search patents in F25J- Granted patents
- 156
- Published applications
- 194
- Assignees
- 75
- Inventors
- 404
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 2 |
| 2002 | 6 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 5 |
| 2006 | 1 | 4 |
| 2007 | 5 | 6 |
| 2008 | 0 | 2 |
| 2009 | 4 | 4 |
| 2010 | 0 | 7 |
| 2011 | 0 | 9 |
| 2012 | 1 | 5 |
| 2013 | 2 | 4 |
| 2014 | 3 | 2 |
| 2015 | 4 | 9 |
| 2016 | 1 | 8 |
| 2017 | 7 | 10 |
| 2018 | 7 | 15 |
| 2019 | 7 | 32 |
| 2020 | 12 | 9 |
| 2021 | 12 | 11 |
| 2022 | 18 | 11 |
| 2023 | 8 | 6 |
| 2024 | 8 | 10 |
| 2025 | 7 | 5 |
| 2026 | 7 | 14 |
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
- Standalone high-pressure heavies removal unit for LNG processing26 May 2026US 12,638,236 B2ConocoPhillips Company
- Process and apparatus for separating a mixture of hydrogen and carbon dioxide19 May 2026US 12,629,630 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Separation of hydrogen, methane, ethane, and propane in naphtha to ethane and propane fractionation section based on a dividing wall fractionation column integration12 May 2026US 12,623,980 B2Uop LLC
- Process and apparatus for heavy hydrocarbon removal from lean natural gas before liquefaction10 Mar 2026US 12,571,585 B2Lummus Technology Inc.
- Cryogenic process for helium recovery from low helium-containing gas stream24 Sep 2026US 2026/0287252 A1Council of Scientific and Industrial Research
- Systems and methods for efficient heavy hydrocarbons removal27 Aug 2026US 2026/0251389 A1ConocoPhillips Company
- Single Column Nitrogen Rejection Unit20 Aug 2026US 2026/0243507 A1Chart Energy & Chemicals, Inc.
- Configurations and methods for ngl recovery for high nitrogen content feed gases13 Aug 2026US 2026/0235354 A1Fluor Technologies Corporation
- Process and apparatus for producing ultra pure co2 in a carbon capture process2 Jul 2026US 2026/0184577 A1Uop LLC
Most cited
By later US patents
- Vacuum insulation panel92US 4,726,974 AUnion Carbide Corporation · 1988
- Integrated heat exchanger system for producing carbon dioxide91US 6,477,859 B2Praxair Technology, Inc. · 2002
- Distillation process using microchannel technology56US 7,610,775 B2Velocys, Inc. · 2009
- Distillation process using microchannel technology54US 7,305,850 B2Velocys, Inc. · 2007
- Bubble cap tray for melting solids and method for using same46US 5,265,428 AExxon Production Research Company · 1993