B01D 17/044
By changing the pressure
Official title: {by changing the pressure}
B01D17/044 (By changing the pressure) appears on 118 US grants and 93 published applications in this corpus.
Search patents in B01D- Granted patents
- 118
- Published applications
- 93
- Assignees
- 87
- Inventors
- 247
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 4 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 7 |
| 2011 | 0 | 4 |
| 2012 | 4 | 2 |
| 2013 | 2 | 4 |
| 2014 | 3 | 4 |
| 2015 | 1 | 6 |
| 2016 | 7 | 6 |
| 2017 | 8 | 6 |
| 2018 | 3 | 8 |
| 2019 | 3 | 3 |
| 2020 | 5 | 4 |
| 2021 | 2 | 7 |
| 2022 | 5 | 6 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 2 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Treatment of hydrocarbon-contaminated materials29 Jul 2025US 12,370,586 B2
- Water treatment system and method11 Mar 2025US 12,246,978 B2Hyperion Water Technologies LLC
- Dehydrating and degassing unit3 Dec 2024US 12,157,074 B2Science & Practice Limited Liability Company
- Systems and methods for enhanced inorganic contaminant removal from hydrocarbon feedstock24 Sep 2024US 12,098,330 B2Marathon Petroleum Company LP
- Systems and methods for enhanced inorganic contaminant removal from hydrocarbon feedstock15 Aug 2023US 11,725,151 B2Marathon Petroleum Company LP
- System and method for polymer purification using coil coalescer13 Aug 2026US 2026/0233125 A1PureCycle Technologies, Inc.
- Structural color system based on supercritical microemulsion phase separation, preparation method therefor and use thereof15 Jan 2026US 2026/0015790 A1Soochow University
- Water Treatment System and Method10 Jul 2025US 2025/0223211 A1Hyperion Water Technologies LLC
- System and method for separating gases from oil production streams30 Jan 2025US 2025/0034978 A1Occidental Oil and Gas Corporation
- Systems and methods for enhanced inorganic contaminant removal from hydrocarbon feedstock9 Jan 2025US 2025/0011661 A1Marathon Petroleum Company LP
Most cited
By later US patents
- Cross-flow microchannel apparatus and method of producing or separating emulsions making use thereof118US 6,258,858 B1Bio-oriented Technology Research Advancement Institution · 2001
- Hybrid two-phase turbine52US 5,385,446 A1995
- Hybrid two-phase turbine48US 5,525,034 ABiphase Energy Company · 1996
- Recovery of fermentation salts from dilute aqueous solutions45US 5,986,133 AThe Texas A&M University System · 1999
- Conserving components of fluids45US 7,201,225 B2Total Separation Solutions, LLC · 2007