Patents by Inventor Louis Haan

Louis Haan 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).

  • Pin pulling assembly
    Patent number: 5572780
    Abstract: The pin pulling assembly includes an active member which is engageable to a pin, the active member comprising a handle having an increasing radius spiral configuration, the radius increasing from a center pin engaging vertex stud. Further, the assembly includes a plurality of passive stud engaging collars for use with the active member when the pin has a flat head. By rotating the active member, the increasing radius produces a simple extraction of the pin.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: November 12, 1996
    Inventor: Louis Haan
  • Pin pulling assembly
    Patent number: 5426839
    Abstract: The pin pulling assembly includes an active member which is engageable to a pin, the active member comprising a handle having an increasing radius spiral configuration, the radius increasing from a center pin engaging vertex stud. Further, the assembly includes a plurality of passive stud engaging collars for use with the active member when the pin has a flat head. By rotating the active member, the increasing radius produces a simple extraction of the pin.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: June 27, 1995
    Inventor: Louis Haan