Patents by Inventor Michael P. Krajewski

Michael P. Krajewski 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).

  • Rail car cover system
    Patent number: 7967363
    Abstract: A rail car cover system including a rail car, a first cover section and a second cover section. The rail car has an opening. The first cover section is operably attached to the rail car. The first cover section includes a first corner hinge assembly, a first intermediate hinge assembly and a first cover material. The first corner hinge assembly is attached to the first cover material. The first intermediate hinge assembly is slidable with respect to the first cover material. The second cover section is operably attached to the rail car. The second cover section includes a second corner hinge assembly, a second intermediate hinge assembly and a second cover material. The second corner hinge assembly is attached to the second cover material. The second intermediate hinge assembly is slidable with respect to the second cover material. The first cover section and the second cover section are both movable between a closed configuration and an open configuration.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: June 28, 2011
    Assignee: Shorma Company
    Inventors: David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Michael P. Krajewski, Kevin J. Kleinsasser, Carla K. Ewald
  • RAIL CAR COVER SYSTEM
    Publication number: 20110030575
    Abstract: A rail car cover system including a rail car, a first cover section and a second cover section. The rail car has an opening. The first cover section is operably attached to the rail car. The first cover section includes a first corner hinge assembly, a first intermediate hinge assembly and a first cover material. The first corner hinge assembly is attached to the first cover material. The first intermediate hinge assembly is slidable with respect to the first cover material. The second cover section is operably attached to the rail car. The second cover section includes a second corner hinge assembly, a second intermediate hinge assembly and a second cover material. The second corner hinge assembly is attached to the second cover material. The second intermediate hinge assembly is slidable with respect to the second cover material. The first cover section and the second cover section are both movable between a closed configuration and an open configuration.
    Type: Application
    Filed: September 8, 2010
    Publication date: February 10, 2011
    Applicant: SHUR COMPANY
    Inventors: David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Michael P. Krajewski, Kevin J. Kleinsasser, Carla K. Ewald
  • Rail car cover system
    Patent number: 7823515
    Abstract: A rail car cover system including a rail car, a first cover section and a second cover section. The rail car has an opening. The first cover section is operably attached to the rail car. The first cover section includes a first hinge mechanism and a first cover material. The second cover section is operably attached to the rail car. The second cover section includes a second hinge mechanism and a second cover material. The first cover section and the second cover section are both movable between a closed configuration and an open configuration. When in the closed configuration, the first cover section and the second cover section substantially cover the opening.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: November 2, 2010
    Assignee: Shur Company
    Inventors: David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Michael P. Krajewski, Kevin J. Kleinsasser, Carla K. Ewald
  • RAIL CAR COVER SYSTEM
    Publication number: 20100037798
    Abstract: A rail car cover system including a rail car, a first cover section and a second cover section. The rail car has an opening. The first cover section is operably attached to the rail car. The first cover section includes a first hinge mechanism and a first cover material. The second cover section is operably attached to the rail car. The second cover section includes a second hinge mechanism and a second cover material. The first cover section and the second cover section are both movable between a closed configuration and an open configuration. When in the closed configuration, the first cover section and the second cover section substantially cover the opening.
    Type: Application
    Filed: July 22, 2009
    Publication date: February 18, 2010
    Applicant: SHUR COMPANY
    Inventors: David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Michael P. Krajewski, Kevin J. Kleinsasser, Carla K. Ewald