B01D 29/80
For drying
Official title: for drying
B01D29/80 (For drying) appears on 312 US grants and 105 published applications in this corpus.
Search patents in B01D- Granted patents
- 312
- Published applications
- 105
- Assignees
- 191
- Inventors
- 487
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 12 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 20 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 0 |
| 2002 | 7 | 3 |
| 2003 | 5 | 4 |
| 2004 | 1 | 6 |
| 2005 | 3 | 4 |
| 2006 | 3 | 4 |
| 2007 | 0 | 4 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 4 | 5 |
| 2011 | 4 | 6 |
| 2012 | 3 | 5 |
| 2013 | 2 | 4 |
| 2014 | 1 | 5 |
| 2015 | 4 | 3 |
| 2016 | 5 | 4 |
| 2017 | 2 | 4 |
| 2018 | 5 | 6 |
| 2019 | 2 | 7 |
| 2020 | 6 | 7 |
| 2021 | 7 | 5 |
| 2022 | 2 | 2 |
| 2023 | 3 | 6 |
| 2024 | 5 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Filtration device14 Apr 2026US 12,599,852 B2SSENG Co., Ltd.
- Wastewater heat exchange system16 Sep 2025US 12,415,149 B2SHARC Energy Systems Inc.
- Reciprocating lamination spiral solid-liquid separator29 Jul 2025US 12,370,473 B2Dewlink Sludge Treatment Ltd
- 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
- Potato protein extraction apparatus and method27 Aug 2026US 2026/0250314 A1Root Extracts Limited
- Separator device for dewatering wet matter4 Jun 2026US 2026/0151977 A1Vogelsang GmbH & Co. KG
- Process and circuit for producing enhanced manganese-zinc filter cake compositions with reduced chloride concentrations5 Feb 2026US 2026/0035310 A1Energysource Minerals LLC
- Filter cake sonication3 Jul 2025US 2025/0214006 A1BASF SE
- Filter arrangement3 Jul 2025US 2025/0214865 A1
Most cited
By later US patents
- Pressure filter with vibratory impactor125US 4,526,688 AIndustrial Filter & Pump Mfg. Co. · 1985
- Reversible filter element87US 5,645,718 AParker-Hannifin Corporation · 1997
- Filter pump head assembly85US 4,690,621 AAdvanced Control Engineering · 1987
- Method and apparatus for collecting, defluidizing and disposing of oil and gas well drill cuttings77US 6,170,580 B22001
- Fuel filter and cartridge assembly70US 5,017,285 AStanadyne Automotive Corp. · 1991