Patents by Inventor Otto Mehrer

Otto Mehrer 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).

  • Control valve arrangement for dental equipment
    Patent number: 4230143
    Abstract: There is provided a control valve arrangement for dental equipment which comprises a plurality of modular type assemblies having at least three functional zones with the modules including inter-connecting passageways and disposed so as to handle a plurality of separately controlled pressurized media. Provision is also made to rotate a particular module about an X axis to modify the operation of that module.
    Type: Grant
    Filed: November 22, 1978
    Date of Patent: October 28, 1980
    Assignee: Burkert GmbH
    Inventors: Heinrich Dettmann, Otto Mehrer