B01F 27/052
Stirrers with replaceable wearing elements
Official title: Stirrers with replaceable wearing elements; Wearing elements therefor
B01F27/052 (Stirrers with replaceable wearing elements) appears on 29 US grants and 31 published applications in this corpus.
Search patents in B01F- Granted patents
- 29
- Published applications
- 31
- Assignees
- 27
- Inventors
- 74
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 3 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 3 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grinding mill liner2 Jun 2026US 12,642,188 B2Bradken Resources Pty Limited
- Mixing tool for dry mixing and coating21 Oct 2025US 12,447,447 B2Maschinenfabrik Gustav Eirich GmbH & Co. KG
- Grinding mill liner17 Oct 2023US 11,785,893 B2Bradken Resources Pty Limited
- Loader-mountable compost turning apparatus12 Sep 2023US 11,753,351 B1Kooima Ag, Inc.
- Reactor assembly25 Jul 2023US 11,708,534 B2Plastic Energy Limited
- Rotor Disc Device for Repelling Grinding Media for an Agitator System as Well as an Agitator System for Mechanical Activation and/or Grinding of Organic and/or Inorganic Substances and/or Mixtures of Substances in Chemical, Pharmaceutical, Food and/or Building Materials Applications17 Sep 2026US 2026/0273539 A1NETZSCH-Feinmahltechnik GmbH
- Dual material mixing blades and methods of attachment20 Aug 2026US 2026/0241350 A1Tesla, Inc.
- Mixing Paddle With Replaceable Wear Resistant Element2 Jul 2026US 2026/0183727 A1Kennametal Inc.
- Device and agitator system for the mechanical activation of organic and/or inorganic substances and/or substance mixtures in chemical, pharmaceutical, food-related and/or building material-related applications19 Feb 2026US 2026/0048366 A1
- Modular Paddle with Replaceable Wear Resistant Element26 Jun 2025US 2025/0205659 A1Kennametal Inc.
Most cited
By later US patents
- Mixing bowl with attachment62US 7,314,308 B22008
- Apparatus and method for aging liquor23US 4,073,955 AKoppelman & Goodman Enterprises · 1978
- Torque limiting disposable agitator for a food mixer21US 8,845,183 B2Vita-Mix Corporation · 2014
- Blender rotor improvements16US 4,660,987 ATci Co., Ltd. · 1987
- Agitator means for tower type abrasion mills14US 4,242,002 A1980