B01D 29/822
Using membranes
Official title: {using membranes}
B01D29/822 (Using membranes) appears on 69 US grants and 25 published applications in this corpus.
Search patents in B01D- Granted patents
- 69
- Published applications
- 25
- Assignees
- 34
- Inventors
- 81
- Latest grant
- 5 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 4 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Modular press5 Nov 2024US 12,134,243 B2Willmes Anlagentechnik GmbH
- Device for separating solid materials from liquids and gases8 Oct 2024US 12,109,518 B2DrM, Dr. Muller AG
- Method for the production of a part made from a composite material, by means of the injection of powder into a fibrous reinforcement with drainage through a composite filtration layer6 Aug 2024US 12,053,957 B2Safran Ceramics
- Arrangement for pressing liquid-containing raw materials, having a flexible press container5 Dec 2023US 11,833,773 B2Willmes Anlagentechnik GmbH
- Method of fabricating a composite material part by injecting a filled slurry into a fiber texture29 Mar 2022US 11,285,638 B2Safran
- Method and device for filter residue treatment20 Mar 2025US 2025/0090982 A1
- Modular press16 Nov 2023US 2023/0364877 A1Willmes Anlagentechnik GmbH
- Arrangement for pressing liquid-containing raw materials, having a flexible press container14 Sep 2023US 2023/0286238 A1Willmes Anlagentechnik GmbH
- Device for separating solid materials from liquids and gases13 Jan 2022US 2022/0008846 A1DrM, Dr. Muller AG
- Method for manufacturing a part made from a composite material by means of the injection of a laden ceramic slurry into a fibrous structure18 Feb 2021US 2021/0046671 A1Safran Ceramics
Most cited
By later US patents
- Filter pump head assembly85US 4,690,621 AAdvanced Control Engineering · 1987
- Filtration and extraction device and method of using the same30US 6,090,572 ABiostar, Inc. · 2000
- Filtration and extraction device and method of using the same27US 6,207,445 B1Biostar, Inc. · 2001
- Apparatus and methods for separating slurried material27US 7,045,068 B2Walker-Dawson Interests, Inc. · 2006
- Tube pressure filters24US 4,146,485 AEnglish Clays Lovering Pochin & Company Limited · 1979