B01F 25/74
With rotating parts
Official title: with rotating parts, e.g. discs
B01F25/74 (With rotating parts) appears on 83 US grants and 64 published applications in this corpus.
Search patents in B01F- Granted patents
- 83
- Published applications
- 64
- Assignees
- 64
- Inventors
- 148
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 4 | 3 |
| 2006 | 3 | 2 |
| 2007 | 3 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 10 |
| 2013 | 3 | 0 |
| 2014 | 2 | 5 |
| 2015 | 6 | 3 |
| 2016 | 2 | 3 |
| 2017 | 4 | 1 |
| 2018 | 0 | 4 |
| 2019 | 0 | 2 |
| 2020 | 2 | 3 |
| 2021 | 5 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 25/741With a disc or a set of discs mounted on a shaft39
- B01F 25/743The material being fed on both sides of a part rotating about13
- B01F 25/742For spraying a liquid on falling particles or on a liquid curtain8
- B01F 25/744The rotating part being composed of at least two cooperating members rotating1
Recent patents
- Wallboard slurry mixer configured for reducing water:stucco ratio3 Mar 2026US 12,564,984 B2Knauf Gips KG
- Sprayer unit7 Jan 2025US 12,186,719 B2Control Solutions LLC
- Spray unit14 May 2024US 11,980,857 B2Control Solutions LLC
- Immediately-before-stirring-type fluid processing device and processing method13 Sep 2022US 11,439,973 B2M. Technique Co., Ltd.
- Apparatus, methods, and systems for mixing and dispersing a dispersed phase in a medium22 Feb 2022US 11,253,824 B1Trusscore Inc.
- Pretreatment mixing and stirring device, gypsum slurry manufacturing apparatus, building board manufacturing apparatus, pretreatment calcined gypsum manufacturing method, gypsum slurry manufacturing method, building board manufacturing method28 Aug 2025US 2025/0269558 A1Yoshino Gypsum Co., Ltd.
- Mixing and stirring apparatus, gypsum board manufacturing apparatus, and gypsum board manufacturing method2 Jan 2025US 2025/0001373 A1Yoshino Gypsum Co., Ltd.
- Sprayer unit5 Dec 2024US 2024/0399324 A1Control Solutions LLC
- System for mixing liquid and powder15 Aug 2024US 2024/0269627 A1Reica Corporation
- Sprayer unit6 Jun 2024US 2024/0181407 A1Control Solutions LLC
Most cited
By later US patents
- Method and apparatus for blending liquids and solids99US 4,239,396 ACondor Engineering & Manufacturing, Inc. · 1980
- Method of blending materials78US 4,850,702 AGEO Condor, Inc. · 1989
- Apparatus for mixing solids and fluids57US 4,453,829 AThe Dow Chemical Company · 1984
- Open inlet blender53US 4,460,276 AGEO Condor, Inc. · 1984
- Apparatus for spraying liquids such as resins and waxes on surfaces of particles37US 4,430,003 AHawker Siddeley Canada Ltd. · 1984