Patents by Inventor Hal W. Pulfer

Hal W. Pulfer 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 of assembling a fastener assembly and of securing a fastener assembly
    Patent number: 6711801
    Abstract: The present invention in accordance with one embodiment provides a method for securing a threaded fastener to an object having a surface, the method comprising the steps of: (a) defining in the object with an inner wall a threaded hole, a bore contiguous with the threaded hole, and a slot contiguous with the bore, the bore being disposed between the threaded hole and the surface; (b) inserting into the bore a fastener assembly including the threaded fastener, an internally-threaded retainer disposed about the threaded fastener having a lug such that the internally-threaded retainer is received by the bore and the lug is received by the slot to rotatably lock the collar to the inner wall, the internally-threaded collar having a substantially elliptical shape that is distorted to provide rotational resistance between the threaded fastener and the internally-threaded collar; and (c) rotating the threaded fastener relative to the internally-threaded collar and the surface to engage a portion of the inner wall def
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: March 30, 2004
    Inventor: Hal W. Pulfer
  • Method of assembling a fastener assembly and of securing a fastener assembly
    Publication number: 20030196313
    Abstract: The present invention in accordance with one embodiment provides a method for securing a threaded fastener to an object having a surface, the method comprising the steps of: (a) defining in the object with an inner wall a threaded hole, a bore contiguous with the threaded hole, and a slot contiguous with the bore, the bore being disposed between the threaded hole and the surface; (b) inserting into the bore a fastener assembly including the threaded fastener, an internally-threaded retainer disposed about the threaded fastener having a lug such that the internally-threaded retainer is received by the bore and the lug is received by the slot to rotatably lock the collar to the inner wall, the internally-threaded collar having a substantially elliptical shape that is distorted to provide rotational resistance between the threaded fastener and the internally-threaded collar; and (c) rotating the threaded fastener relative to the internally-threaded collar and the surface to engage a portion of the inner wall def
    Type: Application
    Filed: April 17, 2002
    Publication date: October 23, 2003
    Inventor: Hal W. Pulfer