Patents by Inventor Lawrence Fromelius

Lawrence Fromelius 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).

  • Lifting system for use in hoisting, particularly heavy cast panels
    Patent number: 6581996
    Abstract: A lifting system for hoisting heavy pre-cast panels includes an anchor-lifting device permanently secured within a connection recess formed in the panel, and a connecting apparatus that attaches to the anchor-lifting device. The anchor-lifting device presents a laterally disposed connection pin for attachment to a pair of laterally spaced lifting hooks that form the connecting apparatus.
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: June 24, 2003
    Inventor: Lawrence Fromelius
  • Removable insert for creating a void space, as in precast concrete panels
    Patent number: 6550834
    Abstract: A removable and reusable insert assembly for positioning and supporting a lifting system within a panel to be formed from cast concrete, the insert assembly having a left and right portion which are detachably removable from each other, and a lid that is secured over the insert. The lid protects an interior space of the insert assembly.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: April 22, 2003
    Inventor: Lawrence Fromelius
  • Removable insert for creating a void space, as in precast concrete panels
    Publication number: 20020062604
    Abstract: A removable and reusable insert assembly for positioning and supporting a lifting system within a panel to be formed from cast concrete, the insert assembly having a left and right portion which are detachably removable from each other, and a lid that is secured over the insert. The lid protects an interior space of the insert assembly.
    Type: Application
    Filed: November 30, 2000
    Publication date: May 30, 2002
    Inventor: Lawrence Fromelius