B01D 67/00041
By sintering
Official title: {by sintering}
B01D67/00041 (By sintering) appears on 32 US grants and 42 published applications in this corpus.
Search patents in B01D- Granted patents
- 32
- Published applications
- 42
- Assignees
- 39
- Inventors
- 108
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 2 |
| 2020 | 2 | 8 |
| 2021 | 5 | 5 |
| 2022 | 2 | 2 |
| 2023 | 4 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Micro or nano porous membrane, manufacturing method of same, porous resin membrane complex, and filter element11 Mar 2025US 12,246,292 B2Sumitomo Electric Industries, Ltd.
- Freeze-cast ceramic membrane for size based filtration3 Dec 2024US 12,157,705 B2California Institute of Technology
- Freeze-cast ceramic membrane for size based filtration19 Sep 2023US 11,760,698 B2California Institute of Technology
- Preservative removal from eye drops15 Aug 2023US 11,723,838 B2Tearclear Corp.
- Tangential flow depth filtration systems and methods of filtration using same9 May 2023US 11,643,628 B2Repligen Corporation
- Ultrafiltration membrane for oil/water separation and method of preparation thereof23 Jul 2026US 2026/0208126 A1King Fahd University of Petroleum and Minerals
- Systems and methods including fused particle membranes for filtration26 Mar 2026US 2026/0084116 A1Rensselaer Polytechnic Institute
- Preservative removal from eye drops30 May 2024US 2024/0173208 A1
- Freeze-cast ceramic membrane for size based filtration1 Feb 2024US 2024/0034688 A1California Institute of Technology
- Freeze-cast ceramic membrane for size based filtration28 Jul 2022US 2022/0234962 A1Califomia Institute of Technology
Most cited
By later US patents
- Metal oxide ultrafine fiber-based composite separator with heat resistance and secondary battery using same38US 9,180,412 B2Korean Institute of Science and Technolo · 2015
- Porous PTFE structures20US 5,677,031 AW. L. Gore & Associates, Inc. · 1997
- Process for the production of polytetrafluoroethylene porous membranes12US 4,710,331 ANippon Valqua Kogyo Kabushiki Kaisha · 1987
- Composite material8US 9,215,891 B2Porvair Filtration Group Limited · 2015
- Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom6US 6,019,920 A2000