Patents by Inventor Andrew James Kreimeyer

Andrew James Kreimeyer 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).

  • Pullback system for drilling tool
    Patent number: 10208541
    Abstract: A pullback system for a drilling tool includes features to retain a pulling cable. The drilling tool includes a drill bit body for carrying a plurality of cutting teeth. The drill bit body has a first side and an opposite second side. The drill bit body also defines a first pullback device passage that extends through the drill bit body from the first side to the second side. The first pullback device passage extends generally along a passage axis that extends through the drill bit body. The first pullback device passage includes at least a portion adjacent to the first side that curves as the surface extends in a direction along the passage axis. The passage axis is positioned along a reference plane that generally bisects the drill bit body.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: February 19, 2019
    Assignee: Vermeer Manufacturing Company
    Inventors: Keith A. Hoelting, Andrew James Kreimeyer
  • PULLBACK SYSTEM FOR DRILLING TOOL
    Publication number: 20170044835
    Abstract: A pullback system for a drilling tool includes features to retain a pulling cable. The drilling tool includes a drill bit body for carrying a plurality of cutting teeth. The drill bit body has a first side and an opposite second side. The drill bit body also defines a first pullback device passage that extends through the drill bit body from the first side to the second side. The first pullback device passage extends generally along a passage axis that extends through the drill bit body. The first pullback device passage includes at least a portion adjacent to the first side that curves as the surface extends in a direction along the passage axis. The passage axis is positioned along a reference plane that generally bisects the drill bit body.
    Type: Application
    Filed: August 9, 2016
    Publication date: February 16, 2017
    Inventors: Keith A. Hoelting, Andrew James Kreimeyer