B01D 9/0063
Control or regulation
Official title: {Control or regulation (control per se G05)}
B01D9/0063 (Control or regulation) appears on 170 US grants and 211 published applications in this corpus.
Search patents in B01D- Granted patents
- 170
- Published applications
- 211
- Assignees
- 179
- Inventors
- 586
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 0 | 3 |
| 2005 | 1 | 8 |
| 2006 | 4 | 5 |
| 2007 | 2 | 3 |
| 2008 | 8 | 1 |
| 2009 | 4 | 4 |
| 2010 | 1 | 1 |
| 2011 | 4 | 8 |
| 2012 | 3 | 3 |
| 2013 | 3 | 4 |
| 2014 | 4 | 8 |
| 2015 | 6 | 7 |
| 2016 | 3 | 5 |
| 2017 | 5 | 7 |
| 2018 | 8 | 18 |
| 2019 | 13 | 17 |
| 2020 | 10 | 12 |
| 2021 | 14 | 12 |
| 2022 | 8 | 13 |
| 2023 | 4 | 20 |
| 2024 | 12 | 24 |
| 2025 | 11 | 12 |
| 2026 | 9 | 12 |
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
- Enantio-specific crystallization system and method thereof28 Jul 2026US 12,691,390 B2Yeda Research and Development 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
- System and method for managing crystallization process in a process control plant28 Apr 2026US 12,611,616 B2Siemens Aktiengesellschaft
- Cascaded axial-flow saltwater crystallization system and use method thereof1 Oct 2026US 2026/0295459 A1Xi'an University of Technology
- Method for metal ion removal from metal-containing solution using fluidized bed homogeneous crystallization24 Sep 2026US 2026/0285717 A1National Chunghsing University
- Device and method for removing silicate from reverse osmosis concentrate by induced crystallization3 Sep 2026US 2026/0257147 A1Greentech Environment Co., Ltd.
- Method for discharging crystal grain-containing slurry from container23 Jul 2026US 2026/0208068 A1Nippon Shokubai Co., Ltd.
- Gas-phase antimicrobial delivery via infused crystalline and porous solids2 Jul 2026US 2026/0183680 A1Onza Corp.
Most cited
By later US patents
- Method for determining the compositional distribution of a crystalline copolymer191US 5,008,204 AExxon Chemical Patents Inc. · 1991
- Control method and apparatus for crystallizer process control50US 4,263,010 AUniversity Patents, Inc. · 1981
- Two stage continuous crystallization apparatus with controls45US 4,056,364 AAmstar Corporation · 1977
- Integrated system for lithium extraction and conversion27US 10,648,090 B2Lilac Solutions, Inc. · 2020
- Method for determining the onset of crystallization27US 4,672,218 AThe Dow Chemical Company · 1987