Rotatable Stirrer Patents (Class 366/279)
- Pinlike radially projecting element (Class 366/325.2)
- Spiral arrangement (Class 366/325.3)
- Element mounted parallel to shaft, spaced therefrom, and having at least one free end (Class 366/325.4)
- Looped wirelike element (Class 366/325.6)
- Openwork having element supported by central shaft at opposite ends (Class 366/325.7)
- Flat element having major surface lying in plane substantially including shaft axis (e.g., paddle type) (Class 366/325.92)
- Openwork having substantially no central shaft (Class 366/325.94)
- Adjustable or flexible (Class 366/326.1)
- Of different pitch (Class 366/327.1)
- Oppositely pitched element sections (Class 366/327.4)
- Notched element (Class 366/328.1)
- Apertured element (Class 366/328.2)
- Diverse size or shape (Class 366/329.1)
- Axially directing blade (e.g., propeller, helix section, etc.) (Class 366/330.1)