B01D 9/0059
General arrangements of crystallisation plant
Official title: {General arrangements of crystallisation plant, e.g. flow sheets}
B01D9/0059 (General arrangements of crystallisation plant) appears on 294 US grants and 294 published applications in this corpus.
Search patents in B01D- Granted patents
- 294
- Published applications
- 294
- Assignees
- 267
- Inventors
- 917
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 8 |
| 2005 | 4 | 4 |
| 2006 | 5 | 9 |
| 2007 | 1 | 3 |
| 2008 | 5 | 2 |
| 2009 | 3 | 6 |
| 2010 | 3 | 7 |
| 2011 | 2 | 4 |
| 2012 | 2 | 0 |
| 2013 | 2 | 10 |
| 2014 | 3 | 3 |
| 2015 | 6 | 10 |
| 2016 | 8 | 10 |
| 2017 | 8 | 12 |
| 2018 | 12 | 12 |
| 2019 | 17 | 23 |
| 2020 | 15 | 18 |
| 2021 | 14 | 16 |
| 2022 | 13 | 18 |
| 2023 | 14 | 31 |
| 2024 | 17 | 35 |
| 2025 | 14 | 27 |
| 2026 | 17 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Freeze concentration for urine-based fertilizer production29 Sep 2026US 12,747,194 B2The Regents of the University of Michigan
- Method for purifying compound8 Sep 2026US 12,729,176 B2Nippon Shokubai Co., Ltd.
- Purification device18 Aug 2026US 12,709,593 B2Nippon Shokubai Co., Ltd.
- Crystallization of salts from high pressure reverse osmosis concentrate16 Jun 2026US 12,655,040 B2Saltworks Technologies Inc.
- Crystallization device for crystallizing a precursor, and drying device9 Jun 2026US 12,649,954 B2Luebbers Fts GmbH
- A method and plant for purifying ethylene carbonate8 Oct 2026US 2026/0308137 A1Sulzer Management AG
- A method and plant for purifying ethylene carbonate8 Oct 2026US 2026/0308138 A1Sulzer Management AG
- Process for making drug crystals of desired size distribution and morphology20 Aug 2026US 2026/0241307 A1Eupraxia Pharmaceuticals Inc.
- Rotary scraper and method for discharging foreign matter having high specific gravity in gypsum slurry13 Aug 2026US 2026/0233127 A1Tokuyama Corporation
- A method for the preparation of alumina13 Aug 2026US 2026/0234017 A1Playa One Pty Ltd
Most cited
By later US patents
- Gas separation process114US 4,609,388 ACNG Research Company · 1986
- Gas separation process99US 4,270,937 ACNG Research Company · 1981
- Apparatus and method for energy production and mineral recovery from geothermal and geopressured fluids49US 4,370,858 ABechtel International Corporation · 1983
- Process for continuous crystallization46US 4,332,592 A1982
- Two stage continuous crystallization apparatus with controls45US 4,056,364 AAmstar Corporation · 1977