Patents by Inventor Kris Heitmeyer

Kris Heitmeyer 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).

  • Insulative railway boxcar
    Patent number: 9174656
    Abstract: A freight car having insulative material interposed between inner and outer enclosures of the freight car.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: November 3, 2015
    Assignee: Gunderson LLC
    Inventors: Kris Heitmeyer, Dan Militaru
  • Handbrake linkage for a railroad freight car
    Patent number: 7896140
    Abstract: A linkage interconnecting a brake rod with a brake lever in a brake system of a railroad freight car. A length of chain extends from an end of the brake rod, and a monolithic connecting link interconnects an opposite end of the length of chain with a brake lever, so that the brake lever can be moved by pulling the rod, and yet the brake lever is free to move toward the rod if the handbrake system is not in use to keep the brakes applied.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: March 1, 2011
    Assignee: Gunderson, LLC
    Inventor: Kris Heitmeyer
  • Handbrake linkage for a railroad freight car
    Publication number: 20080202868
    Abstract: A linkage interconnecting a brake rod with a brake lever in a brake system of a railroad freight car. A length of chain extends from an end of the brake rod, and a monolithic connecting link interconnects an opposite end of the length of chain with a brake lever, so that the brake lever can be moved by pulling the rod, and yet the brake lever is free to move toward the rod if the handbrake system is not in use to keep the brakes applied.
    Type: Application
    Filed: February 23, 2007
    Publication date: August 28, 2008
    Inventor: Kris Heitmeyer
  • Insulative railway boxcar
    Publication number: 20070068418
    Abstract: A freight car having insulative material interposed between inner and outer enclosures of the freight car.
    Type: Application
    Filed: September 23, 2005
    Publication date: March 29, 2007
    Inventors: Kris Heitmeyer, Dan Militaru
  • Insulative panels for a railway boxcar
    Publication number: 20060065152
    Abstract: Insulative panels mountable to the exterior of a railway boxcar, and railway boxcars having exterior insulative panels are disclosed. Each disclosed insulative panel may have first and second skins of fiber-reinforced plastic spaced apart from each other with foam or other insulative material interposed into the space therebetween. The disclosed insulative panels can be attached to the exterior of an existing, non-insulated boxcar to retrofit it as an insulated boxcar. In addition, thermally insulative material may be positioned vertically above a door opening for additional insulation.
    Type: Application
    Filed: September 21, 2005
    Publication date: March 30, 2006
    Inventors: Kris Heitmeyer, Dan Militaru