Screw shaft element
Latest Buss AG Patents:
- Installation and method for manufacturing cross-linkable polyethylene compounds
- Asymmetrical three-blade screw-type shaft for a mixing and kneading machine
- Double-bladed worm shaft for a mixing and kneading machine, wherein each of the blade elements has an elliptic, oval, or bioconvex outer peripheral surface in the top view
- Screw shaft element
- Screw shaft element
The broken lines in the drawings illustrate portions of the screw shaft element and form no part of the claimed design.
Claims
The ornamental design for a screw shaft element, as shown and described.
D23336 | June 1894 | Quimby |
2896925 | July 1959 | Place |
3189324 | June 1965 | Gubler |
5158434 | October 27, 1992 | Weetman |
D696070 | December 24, 2013 | Audette |
D782059 | March 21, 2017 | Osada |
9587662 | March 7, 2017 | Glass |
D910834 | February 16, 2021 | Wang |
D929799 | September 7, 2021 | Walter |
20090134173 | May 28, 2009 | Liang |
20110026360 | February 3, 2011 | Greller |
20200116159 | April 16, 2020 | Yang |
1091841 | October 1960 | DE |
2952275 | December 2015 | EP |
2965889 | January 2016 | EP |
Type: Grant
Filed: Nov 1, 2018
Date of Patent: Aug 30, 2022
Assignee: Buss AG (Pratteln)
Inventors: Wolfgang Walter (Aalen), Martin Schötzau (Augst)
Primary Examiner: Sheryl Lane
Assistant Examiner: Ieisha N Price
Application Number: 29/668,738