Patents by Inventor Daniel W. Curtis

Daniel W. Curtis 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: 5730541
    Abstract: A main mount (52) having a central hub (58) is secured to a turnbuckle. A ring gear (66) surrounds the hub. A motionless bearing (70) fits over the hub and is held in place with a locking ring (82). The motionless bearing (70) includes several bores that receive a driving bit (90) that engages the ring gear. As the driving bit is rotated, the main mount is rotated about the motionless bearing thereby tightening or loosening the turnbuckle.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: March 24, 1998
    Inventors: Neal K. Duett, Daniel W. Curtis
  • Patent number: 5158589
    Abstract: One method of the present invention provides a method of connecting a flange to a cylinder. This method includes securing the cylinder in a first chuck of a lathe and securing the flange in a second chuck of the lathe. The method also includes rotating the first and second chuck such that the cylinder and flange are rotated while bringing an end of the cylinder and the flange in proximity of a heating element associated with the lathe contemporaneously with the rotating step. Finally, there is the step of bringing the end of the cylinder in contact with the flange. Novel apparatus consistent with the present invention are also disclosed.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: October 27, 1992
    Assignee: Texas Instruments Incorporated
    Inventors: Daniel W. Curtis, Donnie J. Heinzen, Guadalupe T. Luna