Patents by Inventor Gerhard R. Mache

Gerhard R. Mache 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).

  • Patent number: 5184372
    Abstract: A squeegee attachment tool for use with a wet/dry vacuum cleaner incorporating an oblong but narrow in profile suction head fitted with a very short squeegee blade providing both high suction and superior aspiration and yet reaches to the extreme edges of a cleaned surface at both the beginning and end of a cleaning stroke. Internal angled ribs coupled with an efficient vacuum chamber a narrow but deep intake port throat with side channel creates improved pressure distribution at the intake port mouth and provides significant side suction to remove liquid and debris from along and beneath adjacent surfaces and other obstructions. Specifically dimensioned and angled handle improves operator comfort and effectiveness.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: February 9, 1993
    Inventor: Gerhard R. Mache
  • Patent number: 4213013
    Abstract: A modular interface device permits selective interconnection between telephone company network trunk lines and subscriber telephone lines. The device includes a housing having a removable protective cover and a first connector component having a plurality of contact elements aligned in at least two rows. The network trunk line conductors are electrically engageable with the contact elements so that each row of contact elements is associated with one tip or ring conductor, for instance. A second connector component is also provided having a plurality of second contact elements aligned in at least two rows. The subscriber telephone line conductors are electrically engageable with the second contact elements in such a manner that each row of second contact elements is associated with one of the subscriber line conductors.
    Type: Grant
    Filed: February 17, 1978
    Date of Patent: July 15, 1980
    Assignee: Bunker Ramo Corporation
    Inventors: Jiulio E. Perna, Gerhard R. Mache