Patents Assigned to Fritz Chemical Company
  • Patent number: 5120367
    Abstract: A device comprising a solid or powdered concrete admixture contained in a water-soluble container such that when the container and its contents are introduced into a wet mixer and agitated for a period of time, the water-soluble container is dissolved and the contents are released into the wet mixer. A separate water-insoluble receptacle is used to house and store the water-soluble container and its contents. In addition, there is disclosed a method for modifying the properties of a concrete by introducing a pre-weighed amount of solid admixture contained in a water-soluble container into a wet mixer and thereafter agitating the resulting mix.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: June 9, 1992
    Assignee: Fritz Chemical Company
    Inventors: Dwight Smith, Jack L. Edwards
  • Patent number: 4961790
    Abstract: A device comprising a solid or powdered concrete admixture contained in a water-soluble container such that when the container and its contents are introduced into a wet mixer and agitated for a period of time, the water-soluble container is dissolved and the contents are released into the wet mixer. A separate water-insoluble receptacle is used to house and store the water-soluble container and its contents. In addition, there is disclosed a method for modifying the properties of a concrete by introducing a pre-weighed amount of solid admixture contained in a water-soluble container into a wet mixer and thereafter agitating the resulting mix.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: October 9, 1990
    Assignee: Fritz Chemical Company
    Inventors: Dwight Smith, Jack L. Edwards
  • Patent number: 4712510
    Abstract: A pet toy comprising a stuffed play object disposed at the end of a tether secured to a flexible telescoping wand. The telescoping wand is constructed with a plurality of segments, the smallest segment having an aperture formed in the distal end for connecting to the tether and the larger segment having a centrally disposed threaded bore for securement of a suction cup. The wand may be secured to any vertical surface such as a door, wall or refrigerator with the suction cup whereby the flexible telescoping wand extends outwardly therefrom with the stuffed pet toy dangling therebeneath. A bell may also be attached to the wand or tether to further facilitate pet interaction.
    Type: Grant
    Filed: July 28, 1986
    Date of Patent: December 15, 1987
    Assignee: Fritz Chemical Company
    Inventor: Suh Tae-Ho