Patents by Inventor Robert B. Heap

Robert B. Heap 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).

  • Method for monitoring pregnancy in milk-producing domestic animals
    Patent number: 4294922
    Abstract: A method for monitoring pregnancy in a milk-producing domestic animal comprises determining the concentration of oestrogen conjugates, especially oestrone sulphate, contained in a sample comprising, or derived from, the milk of the animal and comparing this concentration with the average concentration of oestrogen conjugates in the milk of a non-pregnant similar animal of the same species. There is also provided a method for monitoring foetal well-being during the later stages of pregnancy which comprises, in addition, comparing the measured oestrogen conjugate concentration with that expected during a normal pregnancy.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: October 13, 1981
    Assignee: National Research Development Corporation
    Inventor: Robert B. Heap