B01F 23/708
Filtering materials
Official title: {Filtering materials}
B01F23/708 (Filtering materials) appears on 30 US grants and 49 published applications in this corpus.
Search patents in B01F- Granted patents
- 30
- Published applications
- 49
- Assignees
- 44
- Inventors
- 85
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 4 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 4 |
| 2024 | 3 | 6 |
| 2025 | 2 | 3 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pulping machine7 Jul 2026US 12,673,306 B2Ongoal Technology Co., Ltd.
- Shipping container-mountable system for making bio-sourced oil dielectric fluids19 May 2026US 12,629,642 B2Cargill, Incorporated
- Double shaft paddle mixer and arrangement and methods for producing paste12 May 2026US 12,623,194 B2Metso Finland Oy
- Submersible system for production of a stabilized gas flux24 Mar 2026US 12,582,948 B2Infusion Technology, Inc.
- Slurry processing apparatus, microbubble generation equipment, and slurry processing method11 Nov 2025US 12,465,899 B2Sumitomo Metal Mining Co., Ltd.
- Liquid dispersion preparation processes6 Aug 2026US 2026/0225051 A1Dsm IP Assets B.V.
- Water Oxygenation System, Flow Block, and External Replaceable Nitrogen Filter Cartridge30 Jul 2026US 2026/0216632 A1
- Plant for nebulising liquid and powder products16 Jul 2026US 2026/0199854 A1Evans Soul Leader S.R.L.
- Apparatus and method for mixing small liquid volumes, and use of the apparatus4 Jun 2026US 2026/0151746 A1Leon-Nanodrugs GmbH
- Modular systems and apparatuses for creating fracturing slurry14 May 2026US 2026/0131293 A1SandPile Services LLC
Most cited
By later US patents
- Production of concentrated carbonate suspensions20US 6,620,856 B1Imerys Minerals Limited · 2003
- Environmental sanitizer and odor remover for purification of foods, surfaces, air and water with disposable ozone generation electrode, pressure/flow adaptable venturi injector and aqueous phase filter device17US 7,524,466 B2Longmark Industries, L.L.C. · 2009
- Bone cement system14US 8,662,736 B2Heraeus Medical GmbH · 2014
- Autogenously dispersible alkaline earth metal carbonate composition4US 4,383,936 AChemical Products Corporation · 1983
- Nozzle device and nozzle for atomisation and/or filtration and methods for using the same3US 7,963,466 B2Medspray XEMEMS B.V. · 2011