Patents by Inventor Marius Leopold Hypolite Berghgracht

Marius Leopold Hypolite Berghgracht 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: 3997054
    Abstract: A watertight package disposed about one or more articles in such a manner that the package can be easily handled by conventional article handling equipment. The package includes a first thermoplastic sheet attached to a pair of disposable support members and on which one or more articles are placed and thereafter a second thermoplastic sheet is draped over the articles and sealed to the first sheet while such sheets are shrunk into intimate engagement with the articles.
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: December 14, 1976
    Inventor: Marius Leopold Hypolite Berghgracht
  • Patent number: 3995410
    Abstract: Apparatus for forming a watertight package about one or more articles in such a manner that the package can be easily handled by conventional article handling equipment. The apparatus includes an intermittently operated conveyor means having a plurality of spaced stations at which a palletized package is automatically assembled and covered with a waterproof thermoplastic material which is heat sealed and caused to shrink into intimate engagement with the articles being packaged.
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: December 7, 1976
    Inventor: Marius Leopold Hypolite Berghgracht