Patents by Inventor Emmanuel E. Beer

Emmanuel E. Beer 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).

  • Tilt limiting detecting apparatus
    Patent number: 4110609
    Abstract: A tilt limit detecting apparatus which includes an elongated vial containing an opaque liquid with a bubble therein and light source-photo transistor pairs at each end aligned to intersect the bubble when the vial is tilted and in which the vial has a cross section which results in the optical axes between the light sources and photo transistors intersecting the vial at an angle which at least approaches 90.degree..
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: August 29, 1978
    Assignee: The Singer Company
    Inventor: Emmanuel E. Beer