Patents by Inventor Jörg Sch?r

Jörg Sch?r 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).

  • Double-cone device and pump
    Patent number: 7077207
    Abstract: The performance of a double-cone device (1) is increased, not only by moving the gap or inlet openings (22) a short distance into the exit cone (47), but also by making the conicity ?3 (55) of the so-formed small diffuser less than the conicity ?2 (109) of the remaining part (53) of the exit cone. Double cone units (7, 60), particularly the ones with this improved diffuser, may be used in pump installations (1, 60), like well-pumps (1), where liquids must be pumped from great depths.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: July 18, 2006
    Assignee: DCT Double-Cone Technology AG
    Inventors: John Stark, Hansjörg Wagenbach, Jörg Schār