Patents by Inventor David Wayne Christiansen

David Wayne Christiansen 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: 4094558
    Abstract: A self contained nut assembly to allow self nut locking and unlocking for use with a support member. The nut assembly comprises an upper nut containing a pronged locking sleeve. The nut and locking sleeve fit onto a threaded element projecting through a support member. The prongs of the locking sleeve are fashioned with feet for engagement with the support member to restrain selective movement therebetween. Arcuate portions of the sleeve are flared to fill openings in the nut thus locking the assembly in place.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: June 13, 1978
    Assignee: The Babcock & Wilcox Company
    Inventor: David Wayne Christiansen