B01F 25/80
Falling particle mixers
Official title: Falling particle mixers, e.g. with repeated agitation along a vertical axis
B01F25/80 (Falling particle mixers) appears on 218 US grants and 130 published applications in this corpus.
Search patents in B01F- Granted patents
- 218
- Published applications
- 130
- Assignees
- 157
- Inventors
- 396
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 2 |
| 2003 | 3 | 15 |
| 2004 | 2 | 2 |
| 2005 | 1 | 4 |
| 2006 | 4 | 5 |
| 2007 | 3 | 4 |
| 2008 | 2 | 6 |
| 2009 | 3 | 5 |
| 2010 | 3 | 6 |
| 2011 | 4 | 4 |
| 2012 | 6 | 8 |
| 2013 | 3 | 5 |
| 2014 | 5 | 3 |
| 2015 | 9 | 7 |
| 2016 | 1 | 6 |
| 2017 | 2 | 7 |
| 2018 | 6 | 6 |
| 2019 | 3 | 3 |
| 2020 | 5 | 8 |
| 2021 | 8 | 8 |
| 2022 | 6 | 3 |
| 2023 | 3 | 5 |
| 2024 | 2 | 2 |
| 2025 | 4 | 4 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 25/85Wherein the particles fall onto a film that flows along the inner65
- B01F 25/82Uniting flows of material taken from different parts of a receptacle or53
- B01F 25/83With receptacles provided with fixed guiding elements therein42
- B01F 25/90With moving or vibrating means33
- B01F 25/84Falling-particle mixers comprising superimposed receptacles, the material flowing from one to the13
Recent patents
- Mixing silo for bulk material, production plant with a mixing silo of this type and method for operating a mixing silo of this type8 Sep 2026US 12,728,398 B2Coperion GmbH
- Cellular concrete wet mix blending17 Mar 2026US 12,576,553 B2Construc Industries, LLC
- Hydration systems and methods17 Mar 2026US 12,576,556 B2Schlumberger Technology Corporation
- Blood sample management using open cell foam27 Jan 2026US 12,533,061 B2Becton, Dickinson and Company
- Mixing system and mixing method20 Jan 2026US 12,528,059 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Blood Sample Management Using Open Cell Foam21 May 2026US 2026/0137317 A1Becton, Dickinson and Company
- Mixing device2 Oct 2025US 2025/0303376 A1Kalerm Technology (Suzhou) Co., Ltd
- Gravity-fed spiral flow treatment apparatus and method17 Jul 2025US 2025/0229237 A1Kannar Earth Science, Ltd.
- Device and method for mixing components of a ceramic starting material5 Jun 2025US 2025/0177938 A1bredent GmbH & Co. KG
- Multi-tiered dispersion adapter for conveyor proppant delivery systems3 Apr 2025US 2025/0108348 A1Stewart & Stevenson LLC
Most cited
By later US patents
- Preparation which promotes the absorption of peptides165US 4,900,730 AToyo Jozo Kabushiki Kaisha · 1990
- Containerised handling of bulk materials and apparatus therefor149US 7,252,309 B2Bee Kim Ong · 2007
- Programmable weight sensitive microingredient feed additive delivery system and method120US 4,733,971 AMicro Chemical, Inc. · 1988
- Portable and modular batching and mixing plant for concrete and the like114US 6,186,654 B1Guntert & Zimmerman Construction Division, Inc. · 2001
- Programmable apparatus and method for delivering microingredient feed additives by weight105US 5,340,211 AMicro Chemical, Inc. · 1994