B01F 27/731
With two or more parallel shafts provided with perpendicularly mounted discs
Official title: {with two or more parallel shafts provided with perpendicularly mounted discs, e.g. lens shaped, one against the other on each shaft and in circumferential contact with the discs on the other shafts, e.g. for cleaning}
B01F27/731 (With two or more parallel shafts provided with perpendicularly mounted discs) appears on 14 US grants and 9 published applications in this corpus.
Search patents in B01F- Granted patents
- 14
- Published applications
- 9
- Assignees
- 14
- Inventors
- 47
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dry powder kneading apparatus27 Jan 2026US 12,533,646 B2Samsung SDI.Co., Ltd.
- Method for preparing direct melt-spun high-viscosity PBAT/low-viscosity pet two-component elastic fiber and high-viscosity PBAT polymerization reactor27 May 2025US 12,312,710 B1Jiangsu Ganghong Fiber Co., Ltd.
- Mixing systems and methods including disk assemblies28 Jan 2025US 12,208,539 B2Vermeer Manufacturing Company
- Mixing systems having disk assemblies6 Feb 2024US 11,890,782 B2Vermeer Manufacturing Company
- Device and method for generating gas bubbles in a liquid26 Jan 2021US 10,898,867 B2akvola Technologies GmbH
- Mixer5 Mar 2026US 2026/0061377 A1Sintokogio, Ltd.
- Mixing systems having roller assemblies27 Nov 2025US 2025/0360472 A1
- Dry powder kneading apparatus6 Mar 2025US 2025/0073652 A1Samsung SDI.Co., Ltd.
- Mixing systems having disk assemblies30 May 2024US 2024/0173892 A1Vermeer Manufacturing Company
- Mixing systems having disk assemblies9 Dec 2021US 2021/0379797 A1Vermeer Manufacturing Company
Most cited
By later US patents
- Co-rotating twin-screw kneaders with kneading disks32US 4,824,256 AWerner & Pfleiderer · 1989
- Apparatus for forming films of constant thickness21US 4,556,324 AE. I. Du Pont de Nemours and Company · 1985
- Multi-shaft extruder kneading discs, kneading disc blocks and extruder19US 6,170,975 B2Krupp Werner & Pfleiderer GmbH · 2001
- Twin-screw machine with screws rotatable in the same direction11US 4,352,568 ABayer Aktiengesellschaft · 1982
- Process for producing styrene-based polymers10US 5,254,647 AIdemitsu Petrochemichal Co., Ltd. · 1993