B01F 33/80
Mixing plants
Official title: Mixing plants; Combinations of mixers
B01F33/80 (Mixing plants) appears on 2,356 US grants and 2,431 published applications in this corpus.
Search patents in B01F- Granted patents
- 2,356
- Published applications
- 2,431
- Assignees
- 1,500
- Inventors
- 5,281
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 16 | 0 |
| 1979 | 13 | 0 |
| 1980 | 15 | 0 |
| 1981 | 11 | 0 |
| 1982 | 14 | 0 |
| 1983 | 18 | 0 |
| 1984 | 17 | 0 |
| 1985 | 20 | 0 |
| 1986 | 19 | 0 |
| 1987 | 27 | 0 |
| 1988 | 19 | 0 |
| 1989 | 35 | 0 |
| 1990 | 26 | 0 |
| 1991 | 31 | 0 |
| 1992 | 26 | 0 |
| 1993 | 29 | 0 |
| 1994 | 31 | 0 |
| 1995 | 24 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 25 | 0 |
| 1999 | 52 | 0 |
| 2000 | 42 | 0 |
| 2001 | 45 | 25 |
| 2002 | 54 | 66 |
| 2003 | 50 | 67 |
| 2004 | 44 | 91 |
| 2005 | 46 | 89 |
| 2006 | 43 | 70 |
| 2007 | 39 | 63 |
| 2008 | 38 | 87 |
| 2009 | 51 | 109 |
| 2010 | 46 | 91 |
| 2011 | 62 | 95 |
| 2012 | 71 | 83 |
| 2013 | 91 | 90 |
| 2014 | 73 | 83 |
| 2015 | 71 | 92 |
| 2016 | 68 | 104 |
| 2017 | 75 | 115 |
| 2018 | 67 | 131 |
| 2019 | 81 | 117 |
| 2020 | 114 | 146 |
| 2021 | 99 | 121 |
| 2022 | 98 | 138 |
| 2023 | 100 | 104 |
| 2024 | 116 | 98 |
| 2025 | 92 | 91 |
| 2026 | 47 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 33/84Mixing plants with mixing receptacles receiving material dispensed from several component receptacles809
- B01F 33/81Combinations of similar mixers591
- B01F 33/82Combinations of dissimilar mixers476
- B01F 33/836Combining mixing with other treatments279
- B01F 33/83Mixing plants specially adapted for mixing in combination with disintegrating operations194
- B01F 33/834Mixing in several steps101
- B01F 33/85Mixing plants with mixing receptacles or mixing tools that can be indexed98
- B01F 33/805For granular material97
Recent patents
- System for fully implementing automated liquid dispensing on multiple relay tanks6 Oct 2026US 12,752,246 B2Lisure Science (Suzhou) Co., Ltd
- Large scale microdroplet generation apparatus and methods of manufacturing thereof6 Oct 2026US 12,752,269 B2The Trustees of the University of Pennsylvania
- System and method for responsively injecting chemistries directly into a downhole slurry8 Sep 2026US 12,729,590 B2Sentinel Solutions LLC
- Methods and software applications for tinting using low resolution spectrophotometer1 Sep 2026US 12,723,921 B2Swimc LLC
- Dilution wall11 Aug 2026US 12,702,959 B2Ecochem Australia Pty Ltd
- Dispenser unit for aerosol precursor8 Oct 2026US 2026/0305730 A1RAI Strategic Holdings, Inc.
- Coating material-related information providing device, coating material-related information providing system, coating material-related information providing method, and recording medium8 Oct 2026US 2026/0307025 A1Genbe Co., Ltd.
- Method and Device For Laboratory Formulation and Chemical Vending8 Oct 2026US 2026/0307029 A1
- Static mixing elements with a separator and deflecting surfaces and static mixers1 Oct 2026US 2026/0295543 A1Medmix Switzerland AG
- Microfluidic mixing1 Oct 2026US 2026/0295545 A1Syngenta Crop Protection AG
Most cited
By later US patents
- Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same1,130US 5,387,207 AThe Procter & Gamble Company · 1995
- Method for continuously mixing fluids517US 5,426,137 AHalliburton Company · 1995
- Liquid waste oxygenation441US 5,463,176 A1995
- Method and apparatus for feeding a gas for epitaxial growth354US 6,039,809 AMitsubishi Materials Polycrystalline Silicon Corporation · 2000
- Static mixing device351US 4,538,920 AMinnesota Mining and Manufacturing Company · 1985