B01D 33/62
For drying
Official title: for drying
B01D33/62 (For drying) appears on 254 US grants and 88 published applications in this corpus.
Search patents in B01D- Granted patents
- 254
- Published applications
- 88
- Assignees
- 164
- Inventors
- 420
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 14 | 0 |
| 1994 | 4 | 0 |
| 1995 | 15 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 9 | 5 |
| 2003 | 4 | 1 |
| 2004 | 2 | 5 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 3 | 2 |
| 2008 | 3 | 3 |
| 2009 | 0 | 1 |
| 2010 | 3 | 4 |
| 2011 | 3 | 6 |
| 2012 | 2 | 5 |
| 2013 | 6 | 2 |
| 2014 | 0 | 4 |
| 2015 | 3 | 8 |
| 2016 | 4 | 3 |
| 2017 | 3 | 3 |
| 2018 | 5 | 7 |
| 2019 | 6 | 3 |
| 2020 | 3 | 5 |
| 2021 | 4 | 4 |
| 2022 | 6 | 6 |
| 2023 | 0 | 1 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and an apparatus for washing a crude lignin, a soluble carbohydrate containing fraction, a solid fraction and their use28 Jul 2026US 12,692,285 B2Upm-Kymmene Corporation
- Method and apparatus for treating mixtures of liquids and solids19 May 2026US 12,630,976 B2Lean Pulp Oy
- Multi-structure filtration device for filtering, separating, and dehydrating foreign substances in water18 Mar 2025US 12,251,653 B2
- Device and method for separating substances of different flowability that are mixed together25 Feb 2025US 12,233,618 B2Nordischer Maschinenbau Rud. Baader GmbH + Co. KG
- Filtration apparatus utilizing differential pressure over a filtering element3 Dec 2024US 12,157,688 B2Pro-Flo AS
- A microparticle filter, a textile treatment apparatus, use thereof and a method of filtering microparticles1 May 2025US 2025/0135379 A1Xeros Limited
- System for purification of acrylamido tertiary butyl sulfonic acid and process thereof17 Oct 2024US 2024/0343685 A1Vinati Organics Limited
- A filter unit for filtering microparticles and a filter cage for use in a filter unit27 Jun 2024US 2024/0209560 A1Xeros Limited
- Method and apparatus for treating mixtures of liquids and solids23 May 2024US 2024/0167224 A1Lean Pulp Oy
- Roller filtration apparatus5 Oct 2023US 2023/0311030 A1Danmarks Tekniske Universitet
Most cited
By later US patents
- Apparatus and method for separation of solids from liquid82US 5,814,230 A1998
- Method and apparatus for displacing liquor from a slurry of particulate solid material60US 5,643,468 AImperial Chemical Industries PLC · 1997
- Rotary drum type device for separating solid particles from a liquid59US 5,618,424 ANagaoka International Corporation · 1997
- Process for recovering crystals from a slurry46US 6,500,347 B2Mitsubishi Gas Chemical Company, Inc. · 2002
- Method for concentrating a slurry containing a solid particulate component40US 4,120,911 AChevron Research Company · 1978