B01D 2321/2066
Pulsated flow
B01D2321/2066 (Pulsated flow) appears on 218 US grants and 198 published applications in this corpus.
Search patents in B01D- Granted patents
- 218
- Published applications
- 198
- Assignees
- 152
- Inventors
- 396
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 3 |
| 2002 | 7 | 6 |
| 2003 | 8 | 19 |
| 2004 | 4 | 17 |
| 2005 | 9 | 13 |
| 2006 | 8 | 9 |
| 2007 | 5 | 8 |
| 2008 | 2 | 13 |
| 2009 | 6 | 2 |
| 2010 | 2 | 4 |
| 2011 | 6 | 8 |
| 2012 | 4 | 10 |
| 2013 | 3 | 4 |
| 2014 | 4 | 10 |
| 2015 | 7 | 7 |
| 2016 | 4 | 4 |
| 2017 | 3 | 8 |
| 2018 | 9 | 8 |
| 2019 | 5 | 6 |
| 2020 | 9 | 9 |
| 2021 | 4 | 6 |
| 2022 | 9 | 10 |
| 2023 | 6 | 3 |
| 2024 | 5 | 6 |
| 2025 | 3 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for acoustically-enhanced membrane separation2 Jun 2026US 12,643,072 B2The Regents of the University of Colorado
- Method and apparatus for improved removal and retention of radioactive particulates from fluids10 Feb 2026US 12,548,685 B2Vrd, LLC
- Optimising dialyser performance7 Oct 2025US 12,433,980 B2Quanta Dialysis Technologies Limited
- Membrane assembly for supporting a biofilm9 Sep 2025US 12,410,079 B2Bl Technologies, Inc.
- Isolation device and isolation method14 Jan 2025US 12,196,657 B2Shenzhen Huixin Life Technologies Co., Ltd
- Systems and methods for extending water filtration membrane lifetime in self-mediated saltless whole home water treatment systems2 Apr 2026US 2026/0091356 A1Pentair Residential Filtration, LLC
- System for reverse osmosis6 Nov 2025US 2025/0339820 A1
- Membrane assembly for supporting a biofilm21 Aug 2025US 2025/0263318 A1Bl Technologies, Inc.
- Method of extracting and separating gallium by emulsion liquid membrane17 Apr 2025US 2025/0122089 A1Bgrimm Technology Group
- Forward osmotic and water hammer method of membrane cleaning30 Jan 2025US 2025/0032993 A1Membrane Recovery Ltd.
Most cited
By later US patents
- Hemofiltration and plasmafiltration devices and methods214US 5,536,412 AHemocleanse, Inc. · 1996
- Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate200US 5,639,373 AZenon Environmental Inc. · 1997
- Vertical cylindrical skein of hollow fiber membranes and method of maintaining clean fiber surfaces191US 5,783,083 AZenon Environmental Inc. · 1998
- Wearable ultrafiltration device185US 7,645,253 B2National Quality Care, Inc. · 2010
- Automated system for processing biological fluid157US 5,690,815 APall Corporation · 1997