Patents by Inventor Dale Karsten

Dale Karsten 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 grinding a two-lane roadway in two passes
    Publication number: 20150330037
    Abstract: An example includes a concrete grinding apparatus with a jackshaft configuration to efficiently transmit torque from an engine to a grinding arbor. An example includes a method of grinding a road lane in two passes. An example includes a vacuum system to generate vacuum with a centrifugal pump to collect debris and cool a grinding arbor.
    Type: Application
    Filed: July 27, 2015
    Publication date: November 19, 2015
    Inventors: Dale Karsten, Patricia Knish, Steven Knish
  • Roadway grinder
    Patent number: 9121147
    Abstract: An example includes a concrete grinding apparatus with a jackshaft configuration to efficiently transmit torque from an engine to a grinding arbor. An example includes a method of grinding a road lane in two passes. An example includes a vacuum system to generate vacuum with a centrifugal pump to collect debris and cool a grinding arbor.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: September 1, 2015
    Assignee: Interstate Improvement, Inc.
    Inventors: Dale Karsten, Patricia Knish, Steven Knish
  • METHOD OF GRINDING A TWO-LANE ROADWAY IN TWO PASSES
    Publication number: 20140270952
    Abstract: An example includes a concrete grinding apparatus with a jackshaft configuration to efficiently transmit torque from an engine to a grinding arbor. An example includes a method of grinding a road lane in two passes. An example includes a vacuum system to generate vacuum with a centrifugal pump to collect debris and cool a grinding arbor.
    Type: Application
    Filed: July 24, 2013
    Publication date: September 18, 2014
    Applicant: Interstate Improvement, Inc.
    Inventors: Dale Karsten, Patricia Knish, Steven Knish