Patents by Inventor Ib Schreiner-Hansen

Ib Schreiner-Hansen 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).

  • Non-toxic clay pigeon
    Patent number: 4568087
    Abstract: A non-toxic clay pigeon with excellent mechanical and ballistic properties is produced by subjecting a mixture consisting essentially of plaster, an amount of water constituting a considerable amount in relation to the amount necessary for setting the plaster, calcium carbonate and optionally fly ash, and/or heavy spar; as well as one or more surfactants, organic binders, set-controlling agents and brittleness-promoting agents to compression in a clay pigeon mould heated to a temperature in the range of 100.degree. to 160.degree. C. such that the excess amount of water in relation to the amount necessary for setting the plaster is driven off from the mould.
    Type: Grant
    Filed: December 5, 1980
    Date of Patent: February 4, 1986
    Inventor: Ib Schreiner-Hansen
  • Method of producing a clay pigeon
    Patent number: 4271118
    Abstract: A non-toxic clay pigeon with excellent mechanical and ballistic properties is produced by subjecting a mixture consisting essentially of plaster, an amount of water constituting a considerable amount in relation to the amount necessary for setting the plaster, calcium carbonate and optionally fly ash, and/or heavy spar; as well as one or more surfactants, organic binders, set-controlling agents and brittleness-promoting agents to compression in a clay pigeon mould heated to a temperature in the range of 100.degree. to 160.degree. C. such that the excess amount of water in relation to the amount necessary for setting the plaster is driven off from the mould.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: June 2, 1981
    Inventor: Ib Schreiner-Hansen