Patents by Inventor Efrain A. Davila

Efrain A. Davila 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: 4360034
    Abstract: A coin sorter-counter comprising a stack of plates mounted for rotation about an axis inclined to the horizontal with a housing therearound having coin openings therein, coin pockets arranged around each plate for catching coins, a resilient wheel for each of the plates to move coins from the pockets through the housing openings, and coin sensors associated with each of the coin openings for counting the coins passing therethrough; also provided is overload protection for each of the coin sorting plates, and a sensor for detecting jams and reversing the drive motor to clear the jam.
    Type: Grant
    Filed: April 9, 1980
    Date of Patent: November 23, 1982
    Assignee: Joseph C. Gianotti, Trustee
    Inventors: Jose E. Davila, Efrain A. Davila, Jim H. Gomez
  • Patent number: 4179325
    Abstract: Apparatus and method for the manufacture of adhesive covers in which cover material is conveyed through an apparatus wherein a hot melt adhesive is applied to selected portions of the cover material, a release agent is applied to the adhesive and the adhesive on the cover material is cooled. The apparatus includes a novel hot melt adhesive applicator which is adapted to break the string of adhesive stretching from the hot melt bead on the cover to the applicator nozzle. One embodiment of the unit involves an in-line arrangement in which individual covers are processed. Another embodiment involves an in-line arrangement in which web of cover material flows continuously through various operations and is then cut at the end into individual covers. Another embodiment involves an in-line arrangement in which a web of transparent cover material is incorporated in the process and combined with a web of cover material overlapping a portion of the latter.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: December 18, 1979
    Assignee: General Binding Corporation
    Inventors: Henry N. Staats, Waldemar M. Schmidt, Efrain A. Davila