Patents Assigned to Carmeron Iron Works, Inc.
  • Patent number: 4082105
    Abstract: There is disclosed a valve having means for providing a secondary stem seal in the event the primary packing for the stem is destroyed by heat.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: April 4, 1978
    Assignee: Carmeron Iron Works, Inc.
    Inventor: Herbert Allen