Patents by Inventor Daedra Studniarz

Daedra Studniarz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Screw machine
    Publication number: 20010031213
    Abstract: A screw machine (10) has a rotor housing (12) defining overlapping bores (13, 15). Female rotor (14) is located in bore (13) and male rotor (16) is located in bore (15). The end faces (24, 26) of the female and male rotors, respectively, have depressions (44, 46, 54, 56, 64) formed in their surface whereby the interface area with the facing surface (51) of the outlet casing (53) is reduced.
    Type: Application
    Filed: December 20, 2000
    Publication date: October 18, 2001
    Inventors: Xin Liu, Stephen Shoulders, Daedra Studniarz