B01D 9/0031
By heating
Official title: {by heating (B01D9/0022, B01D9/0027 take precedence)}
B01D9/0031 (By heating) appears on 156 US grants and 175 published applications in this corpus.
Search patents in B01D- Granted patents
- 156
- Published applications
- 175
- Assignees
- 150
- Inventors
- 491
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 8 |
| 2011 | 2 | 1 |
| 2012 | 2 | 1 |
| 2013 | 5 | 5 |
| 2014 | 7 | 5 |
| 2015 | 2 | 9 |
| 2016 | 2 | 12 |
| 2017 | 7 | 12 |
| 2018 | 10 | 10 |
| 2019 | 15 | 12 |
| 2020 | 11 | 8 |
| 2021 | 7 | 13 |
| 2022 | 7 | 7 |
| 2023 | 6 | 17 |
| 2024 | 12 | 21 |
| 2025 | 6 | 15 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Two stage continuous crystallization apparatus with controls45US 4,056,364 AAmstar Corporation · 1977
- Two stage continuous process and apparatus for crystallization30US 4,004,886 AStamicarbon B. V. · 1977
- Integrated system for lithium extraction and conversion27US 10,648,090 B2Lilac Solutions, Inc. · 2020
- Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities25US 5,656,161 AIonics, Incorporated · 1997
- Process for recovering and treating of aqueous solutions22US 6,340,373 B12002