B01D 21/28
Mechanical auxiliary equipment for acceleration of sedimentation
Official title: Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
B01D21/28 (Mechanical auxiliary equipment for acceleration of sedimentation) appears on 410 US grants and 431 published applications in this corpus.
Search patents in B01D- Granted patents
- 410
- Published applications
- 431
- Assignees
- 266
- Inventors
- 816
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 1 |
| 2002 | 1 | 12 |
| 2003 | 0 | 3 |
| 2004 | 6 | 4 |
| 2005 | 3 | 9 |
| 2006 | 0 | 14 |
| 2007 | 3 | 9 |
| 2008 | 5 | 6 |
| 2009 | 5 | 6 |
| 2010 | 6 | 10 |
| 2011 | 5 | 18 |
| 2012 | 8 | 10 |
| 2013 | 2 | 13 |
| 2014 | 14 | 20 |
| 2015 | 7 | 28 |
| 2016 | 19 | 36 |
| 2017 | 40 | 41 |
| 2018 | 22 | 41 |
| 2019 | 21 | 27 |
| 2020 | 30 | 22 |
| 2021 | 26 | 32 |
| 2022 | 24 | 23 |
| 2023 | 16 | 15 |
| 2024 | 13 | 8 |
| 2025 | 13 | 13 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluidic device and method for controlling fluidic device18 Aug 2026US 12,708,866 B2Seiko Epson Corporation
- Advanced rotational hydrodynamic cavitation system for the irreversible removal of bacteria, pathogens, viruses, and chemical bonds16 Jun 2026US 12,655,039 B28215 Technology, Inc.
- Microplate cycling thermo sonicator with programmable ultrasound, heating, and cooling for multi-analytical applications28 Apr 2026US 12,611,645 B2Matchstick Technologies, Inc.
- Shaker fluid level automatic control7 Apr 2026US 12,594,512 B2National Oilwell Varco, L. P.
- Fluid device and method for controlling fluid device31 Mar 2026US 12,590,983 B2Seiko Epson Corporation
- Plasma separation apparatus and plasma separation method24 Sep 2026US 2026/0284556 A1Canon Medical Systems Corporation
- A system for generating and using nox gases in an algae growth system13 Aug 2026US 2026/0233160 A1Paradigm Fuels Pty Ltd
- Cartridge for processing biological samples and devices and methods thereof23 Jul 2026US 2026/0210818 A1Cellsonics Inc.
- Ultrasonic atomizer and ultrasonic separator equipped with atomizer2 Jul 2026US 2026/0183786 A1Nanomist Technologies Co., Ltd.
- Substrate processing apparatus and substrate processing method25 Jun 2026US 2026/0175144 A1Semes Co., Ltd.
Most cited
By later US patents
- Particle handling apparatus for handling particles in fluid by acoustic radiation pressure211US 6,216,538 B1Hitachi, Ltd. · 2001
- Particle handling method by acoustic radiation force and apparatus therefore207US 5,902,489 AHitachi, Ltd. · 1999
- Method of non-contact micromanipulation using ultrasound193US 5,831,166 AAgency of Industrial Science & Technology, Ministry of International Trade & Industry · 1998
- Process for the separation of substances from a liquid and device for effecting such a process186US 5,164,094 A1992
- Method and apparatus for separating particles179US 5,225,089 A1993