B01D 3/4288
Bottom- and feed stream
Official title: {Bottom- and feed stream}
B01D3/4288 (Bottom- and feed stream) appears on 6 US grants and 3 published applications in this corpus.
Search patents in B01D- Granted patents
- 6
- Published applications
- 3
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method to mitigate fouling in a hydrocarbon plant14 Jan 2025US 12,195,684 B2Bl Technologies, Inc.
- Distillation process and multi-column heat-integrated distillation system23 Aug 2016US 9,421,476 B2Saudi Basic Industries Corporation
- Process for the separation of a hydrocarbon-containing feed stream15 Oct 2013US 8,557,087 B2Total Petrochemicals Research Feluy
- Control of a fractional distillation column24 Nov 1981US 4,302,229 APhillips Petroleum Company
- Control of a fractional distillation column9 Dec 1980US 4,238,212 APhillips Petroleum Company
- Method to mitigate fouling in a hydrocarbon plant16 Jun 2022US 2022/0186129 A1Bl Technologies, Inc.
- Distillation process and multi-column heat-integrated distillation system14 Feb 2013US 2013/0037404 A1Saudi Basic Industries Corporation
- Process for the Separation of a Hydrocarbon-Containing Feed Stream21 Oct 2010US 2010/0264014 A1Total Petrochemicals Research Feluy
Most cited
By later US patents
- Pressure responsive fractionation control6US 4,070,172 APhillips Petroleum Company · 1978
- Control of a fractional distillation column3US 4,238,212 APhillips Petroleum Company · 1980
- Control of a fractional distillation column2US 4,302,229 APhillips Petroleum Company · 1981
- Distillation process and multi-column heat-integrated distillation system1US 9,421,476 B2Saudi Basic Industries Corporation · 2016