B01D 19/0031
Degasification of liquids: by filtration
Official title: {by filtration}
B01D19/0031 (Degasification of liquids: by filtration) appears on 807 US grants and 810 published applications in this corpus.
Search patents in B01D- Granted patents
- 807
- Published applications
- 810
- Assignees
- 531
- Inventors
- 2,025
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 17 | 0 |
| 1993 | 16 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 10 |
| 2002 | 17 | 12 |
| 2003 | 16 | 14 |
| 2004 | 14 | 20 |
| 2005 | 16 | 31 |
| 2006 | 15 | 20 |
| 2007 | 9 | 22 |
| 2008 | 14 | 23 |
| 2009 | 15 | 21 |
| 2010 | 23 | 16 |
| 2011 | 12 | 12 |
| 2012 | 11 | 35 |
| 2013 | 24 | 29 |
| 2014 | 20 | 23 |
| 2015 | 23 | 44 |
| 2016 | 22 | 34 |
| 2017 | 34 | 44 |
| 2018 | 32 | 54 |
| 2019 | 32 | 60 |
| 2020 | 47 | 48 |
| 2021 | 33 | 41 |
| 2022 | 28 | 46 |
| 2023 | 37 | 33 |
| 2024 | 26 | 49 |
| 2025 | 42 | 39 |
| 2026 | 19 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hollow fiber microporous membrane, and gas separation membrane module with same built thereinto6 Oct 2026US 12,752,243 B2Toray Industries, Inc.
- Point of use or point of dispense filter with multiple pleat packs15 Sep 2026US 12,734,488 B2Entegris, Inc.
- Retrofitting and use of rectangular filters, assembly and method for filtration25 Aug 2026US 12,714,957 B2Filtration Technology Corporation
- Deaerator and electrolyte measurement system18 Aug 2026US 12,710,395 B2Hitachi High-Tech Corporation
- System and method for deaeration7 Jul 2026US 12,673,275 B2Donaldson Company, Inc.
- System and method for deaeration1 Oct 2026US 2026/0295469 A1Donaldson Company, Inc.
- Deaeration tank3 Sep 2026US 2026/0257152 A1Modine Manufacturing Company
- Deaerator3 Sep 2026US 2026/0257179 A1DIC Corporation
- Gas-liquid separation device, gas-liquid separation method, electrolysis device, and electrolysis method3 Sep 2026US 2026/0258559 A1Japan Aerospace Exploration Agency
- Electrolytic cell unit3 Sep 2026US 2026/0258565 A1Tokuyama Corporation
Most cited
By later US patents
- Membrane based fuel deoxygenator394US 6,315,815 B1United Technologies Corporation · 2001
- Planar membrane deoxygenator331US 6,709,492 B1United Technologies Corporation · 2004
- Process for making hermetically sealed filter units and filters made thereby163US 4,113,627 AFiltertek Inc. · 1978
- Carbon dioxide gas removal from a fluid circuit of a dialysis device136US 8,034,161 B2Fresenius Medical Care Holdings, Inc. · 2011
- Process and system for purifying pure water or ultrapure water131US 5,073,268 AEbara Corporation · 1991