Patents by Inventor Erik L. Kindel

Erik L. Kindel 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).

  • Mould for moulding specimen blocks to be cut in a microtome or an ultramicrotome
    Patent number: 4272049
    Abstract: A mould to be used for making specimen blocks for embedding specimens to be sectioned by a microtome, or ultramicrotome, is made from a soft heat resistant plastic to provide a number of cavities having the desired shape for the blocks to be moulded, the walls of the lowermost portions of the cavities being thin enough to be deformable by upward pressure on the exterior of the mould to remove the finished blocks with their embedded specimens.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: June 9, 1981
    Assignee: LKB-Produkter AB
    Inventor: Erik L. Kindel
  • Device for breaking a glass plate so as to obtain a sharp edge
    Patent number: 4256246
    Abstract: Apparatus for making glass knives for cutting specimens for viewing by optical microscopes from thin glass plates comprises the use of a breaking rule bearing against one side of a plate, at least two breaking knobs bearing against the other side of the plate on opposite sides of the breaking rule, and a scribing device arranged between the knobs to prepare a scribing line in the plate parallel with the breaking rule, the breaking rule being displaceable with respect to the scribing line to control the edge angle of the resulting knife.
    Type: Grant
    Filed: June 26, 1979
    Date of Patent: March 17, 1981
    Assignee: LKB-Produkter AB
    Inventor: Erik L. Kindel