Patents by Inventor Paul Hackmann

Paul Hackmann 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 disengaging assembly and a method of disengaging pins of a trailer tandem
    Patent number: 7591336
    Abstract: A disengagement assembly for maintaining a disengaging force on a tandem assembly. The disengagement assembly operates with an actuating arm of a retractable pin assembly of a tandem wherein the actuating arm reciprocates between an engaged position and a disengaged position. The disengagement assembly maintains an applied force on the actuating arm in the disengaged position so that the tandem remains in a movable relationship with respect to frame members of a trailer.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: September 22, 2009
    Inventor: Paul Hackmann
  • PIN DISENGAGING ASSEMBLY AND A METHOD OF DISENGAGING PINS OF A TRAILER TANDEM
    Publication number: 20080079234
    Abstract: A disengagement assembly for maintaining a disengaging force on a tandem assembly. The disengagement assembly operates with an actuating arm of a retractable pin assembly of a tandem wherein the actuating arm reciprocates between an engaged position and a disengaged position. The disengagement assembly maintains an applied force on the actuating arm in the disengaged position so that the tandem remains in a movable relationship with respect to frame members of a trailer.
    Type: Application
    Filed: January 25, 2007
    Publication date: April 3, 2008
    Inventor: Paul Hackmann
  • Multipurpose truck tool
    Patent number: D566495
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: April 15, 2008
    Inventor: Paul Hackmann