B01F 21/221
Comprising constructions for blocking or redispersing undissolved solids
Official title: {comprising constructions for blocking or redispersing undissolved solids}
B01F21/221 (Comprising constructions for blocking or redispersing undissolved solids) appears on 206 US grants and 152 published applications in this corpus.
Search patents in B01F- Granted patents
- 206
- Published applications
- 152
- Assignees
- 103
- Inventors
- 362
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 3 |
| 2003 | 3 | 4 |
| 2004 | 2 | 2 |
| 2005 | 3 | 6 |
| 2006 | 3 | 7 |
| 2007 | 1 | 4 |
| 2008 | 2 | 4 |
| 2009 | 4 | 6 |
| 2010 | 4 | 5 |
| 2011 | 9 | 12 |
| 2012 | 3 | 7 |
| 2013 | 8 | 8 |
| 2014 | 7 | 8 |
| 2015 | 6 | 7 |
| 2016 | 6 | 7 |
| 2017 | 6 | 8 |
| 2018 | 10 | 7 |
| 2019 | 11 | 15 |
| 2020 | 8 | 2 |
| 2021 | 7 | 4 |
| 2022 | 8 | 8 |
| 2023 | 3 | 7 |
| 2024 | 3 | 4 |
| 2025 | 4 | 1 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispenser25 Aug 2026US 12,714,955 B2King Technology, Inc.
- Chemical dispensers for prolonged water treatment12 May 2026US 12,623,936 B2Innovative Water Care, LLC
- High efficiency brine maker17 Mar 2026US 12,576,369 B2Brine Masters, LLC
- Eroding assembly for chlorinator with removable sieve and weir10 Mar 2026US 12,570,557 B2Hammonds Technical Services, Inc.
- Venting system for a mixing apparatus2 Dec 2025US 12,485,366 B2FUJIFILM Irvine Scientific, Inc.
- Easy clean out brine maker25 Jun 2026US 2026/0175180 A1Brine Masters, LLC
- Eroding assembly for chlorinator with removable sieve and weir18 Jun 2026US 2026/0167535 A1Hammonds Technical Services, Inc.
- Venting system for a mixing apparatus26 Feb 2026US 2026/0054198 A1FUJIFILM Irvine Scientific, Inc.
- Solid chemical dissolution system with small footprint and limited offgassing15 Jan 2026US 2026/0014531 A1Ecolab USA Inc.
- Autonomous dispensing device22 May 2025US 2025/0161887 A1Iotco
Most cited
By later US patents
- Method and basket apparatus for transporting biological samples109US 6,899,850 B2Becton, Dickinson and Company · 2005
- Oil filter adapter106US 4,014,794 AE. I. Du Pont de Nemours and Company · 1977
- Slow release coolant filter99US 5,662,799 AFleetguard, Inc. · 1997
- Portable intravenous solution preparation apparatus and method98US 5,259,954 ASepratech · 1993
- Reagent/drug cartridge86US 5,725,777 APrismedical Corporation · 1998