Patents by Inventor Clair John Warning

Clair John Warning 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).

  • Patent number: 4069069
    Abstract: The discoloration or off-luster border area known as "annealing border", which may form on low-carbon steel strip during box annealing of coils in commercial HNX atmospheres is eliminated by (a) subjecting the strip to oxidizing conditions such that the coil edges undergo a weight gain of 0.08 to 0.8 mg/cm.sup.2 of strip surface and (b) reducing the so-formed oxide during box annealing.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: January 17, 1978
    Assignee: United States Steel Corporation
    Inventors: Robert M. Hudson, Edward J. Oles, Jr., Clair John Warning