B01D 3/008
Liquid distribution
Official title: {Liquid distribution}
B01D3/008 (Liquid distribution) appears on 343 US grants and 291 published applications in this corpus.
Search patents in B01D- Granted patents
- 343
- Published applications
- 291
- Assignees
- 173
- Inventors
- 688
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 6 |
| 2002 | 7 | 8 |
| 2003 | 9 | 7 |
| 2004 | 8 | 7 |
| 2005 | 5 | 9 |
| 2006 | 9 | 5 |
| 2007 | 6 | 12 |
| 2008 | 4 | 8 |
| 2009 | 3 | 8 |
| 2010 | 6 | 10 |
| 2011 | 8 | 10 |
| 2012 | 9 | 13 |
| 2013 | 7 | 10 |
| 2014 | 10 | 16 |
| 2015 | 13 | 13 |
| 2016 | 13 | 29 |
| 2017 | 9 | 14 |
| 2018 | 22 | 18 |
| 2019 | 23 | 21 |
| 2020 | 16 | 19 |
| 2021 | 17 | 14 |
| 2022 | 11 | 12 |
| 2023 | 7 | 7 |
| 2024 | 7 | 8 |
| 2025 | 9 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Evaporative cooling pad for an air treatment unit21 Apr 2026US 12,607,369 B2Munters Europe Aktiebolag
- Ethylene recycle systems and methods31 Mar 2026US 12,590,046 B2ExxonMobil Chemical Patents Inc.
- System for purifying argon by cryogenic distillation23 Dec 2025US 12,503,365 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Packing section for a gas/liquid separation column4 Nov 2025US 12,458,947 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Desalination method14 Oct 2025US 12,441,631 B1Prince Mohammad Bin Fahd University
- Evaporative cooling pad for an air treatment unit30 Jul 2026US 2026/0218923 A1Munters Europe Aktiebolag
- System and method for enhanced vapor and liquid distribution23 Jul 2026US 2026/0208065 A1Calgon Carbon Corporation
- Reactive monomer separation device26 Mar 2026US 2026/0084076 A1LG Chem.Ltd.
- Wet scrubber26 Mar 2026US 2026/0084097 A1Edwards Limited
- Apparatuses and methods for improved distillation of sustainable aviation fuel16 Oct 2025US 2025/0320412 A1
Most cited
By later US patents
- Falling film evaporator with refrigerant distribution system55US 5,645,124 AAmerican Standard Inc. · 1997
- Liquid distributor for packed tower52US 4,729,857 AGlitsch, Inc. · 1988
- Distributor for liquid-gas contact column and method of preparation and use52US 4,816,191 AKoch Engineering Company, Inc. · 1989
- Falling film evaporator with vapor-liquid separator49US 5,561,987 AAmerican Standard Inc. · 1996
- Liquid distributor assembly for packed tower48US 4,909,967 AGlitsch, Inc. · 1990