B01D 3/4255
Head-, side-, bottom- and feed stream
Official title: {Head-, side-, bottom- and feed stream}
B01D3/4255 (Head-, side-, bottom- and feed stream) appears on 22 US grants and 10 published applications in this corpus.
Search patents in B01D- Granted patents
- 22
- Published applications
- 10
- Assignees
- 11
- Inventors
- 50
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Slurry pumparound section of a fluid catalytic cracking unit fractionator12 Mar 2024US 11,925,929 B1Process Consulting Services, Inc.
- Online fuel cutpoint control application using color spectrum28 Jun 2022US 11,369,894 B1Phillips 66 Company
- Selective distillation apparatus and distillation method16 Feb 2021US 10,918,968 B2LG Chem.Ltd.
- Process for producing acetic acid26 May 2020US 10,661,196 B2Daicel Corporation
- Process for producing acetic acid23 Apr 2019US 10,265,639 B2Daicel Corporation
- Slurry pumparound section of a fluid catalytic cracking unit fractionator14 Mar 2024US 2024/0082802 A1Process Consulting Services, Inc.
- Selective distillation apparatus and distillation method3 Sep 2020US 2020/0276517 A1LG Chem.Ltd.
- Process for producing acetic acid23 May 2019US 2019/0151769 A1Daicel Corporation
- Process for producing acetic acid11 Jan 2018US 2018/0009732 A1Daicel Corporation
- Method and system to prevent carry-over of hydrocarbon mist from an ngl column of an lng plant7 Mar 2013US 2013/0055757 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Fractionation method and apparatus109US 4,230,533 APhillips Petroleum Company · 1980
- Dividing wall distillation column control apparatus32US 7,267,746 B1Uop LLC · 2007
- Automatic control system for unit operation31US 6,088,630 AOlin Corporation · 2000
- Column material balance control responsive to differential pressure over a column withdrawal tray11US 3,985,623 AChevron Research Company · 1976
- Systematized method and control of fractionation heat balance9US 4,028,194 AUop LLC · 1977