B01D 2319/04
Elements in parallel
B01D2319/04 (Elements in parallel) appears on 245 US grants and 285 published applications in this corpus.
Search patents in B01D- Granted patents
- 245
- Published applications
- 285
- Assignees
- 200
- Inventors
- 721
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 1 | 1 |
| 2003 | 4 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 6 |
| 2006 | 1 | 5 |
| 2007 | 1 | 9 |
| 2008 | 8 | 5 |
| 2009 | 2 | 6 |
| 2010 | 8 | 7 |
| 2011 | 1 | 7 |
| 2012 | 6 | 9 |
| 2013 | 10 | 6 |
| 2014 | 8 | 17 |
| 2015 | 5 | 24 |
| 2016 | 9 | 18 |
| 2017 | 16 | 21 |
| 2018 | 11 | 17 |
| 2019 | 20 | 23 |
| 2020 | 11 | 14 |
| 2021 | 8 | 23 |
| 2022 | 10 | 24 |
| 2023 | 23 | 14 |
| 2024 | 19 | 9 |
| 2025 | 6 | 8 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Point of use or point of dispense filter with multiple pleat packs15 Sep 2026US 12,734,488 B2Entegris, Inc.
- Method for operating separation membrane module, computer-readable recording medium having program recorded thereon, and water production system18 Aug 2026US 12,708,878 B2Toray Industries, Inc.
- Microfluidic device design for extraction and phase separation for organic solvent purification12 May 2026US 12,623,184 B2University of Southern California
- Tubular membrane heat exchanger12 May 2026US 12,624,897 B2Baltimore Aircoil Company, Inc.
- Port for membrane module14 Apr 2026US 12,599,876 B2Air Products and Chemicals, Inc.
- Spiral Wound Reverse Osmosis Membrane Element and Water Purifier with Spiral Wound Reverse Osmosis Membrane Element9 Jul 2026US 2026/0192256 A1Gree Electric Appliances, Inc. of Zhuhai
- Mixing hollow fiber sizes for improved humidifier performance2 Jul 2026US 2026/0183717 A1Parker-Hannifin Corporation
- Water purification device, flushing control method for water purification device, and water purification system4 Jun 2026US 2026/0151739 A1Gree Electric Appliances, Inc. of Zhuhai
- Gas separation membrane unit, gas separation system, and method for producing enriched gas14 May 2026US 2026/0131280 A1Ube Corporation
- Systems and methods of gas infusion for wastewater treatment8 Jan 2026US 2026/0008019 A1Prosper Technologies, LLC
Most cited
By later US patents
- Countercurrent dehydration by hollow fibers156US 5,002,590 ABend Research, Inc. · 1991
- Cross-flow filtration device with filtrate flow conduits and method of forming same150US 4,781,831 A1988
- Variable oxygen/nitrogen enriched intake air system for internal combustion engine applications110US 5,649,517 AThe University of Chicago · 1997
- Multi-zoned hollow fiber permeator94US 4,220,535 AMonsanto Company · 1980
- Hollow fiber permeator apparatus78US 4,315,819 AMonsanto Company · 1982