B01D 29/82
By compression
Official title: by compression
B01D29/82 (By compression) appears on 189 US grants and 83 published applications in this corpus.
Search patents in B01D- Granted patents
- 189
- Published applications
- 83
- Assignees
- 118
- Inventors
- 297
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 15 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 3 |
| 2003 | 5 | 2 |
| 2004 | 1 | 5 |
| 2005 | 1 | 4 |
| 2006 | 3 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 3 | 6 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 3 |
| 2016 | 5 | 3 |
| 2017 | 1 | 2 |
| 2018 | 4 | 6 |
| 2019 | 2 | 7 |
| 2020 | 6 | 6 |
| 2021 | 6 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 6 |
| 2024 | 5 | 2 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
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
- Separator device for dewatering wet matter4 Jun 2026US 2026/0151977 A1Vogelsang GmbH & Co. KG
- Filter cake sonication3 Jul 2025US 2025/0214006 A1BASF SE
- Filter arrangement3 Jul 2025US 2025/0214865 A1
- Method and device for filter residue treatment20 Mar 2025US 2025/0090982 A1
- Microplastic filter for a washing machine11 Jul 2024US 2024/0229338 A9
Most cited
By later US patents
- 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
- Method and apparatus for separating and deliquifying liquid slurries62US 5,833,851 A1998
- Screw press38US 6,634,508 B1Ishigaki Company Limited · 2003
- Continuous filter press35US 5,160,428 AKuri Chemical Engineers Incorporated · 1992