Patents by Inventor Darel Fisk

Darel Fisk 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).

  • Mining and excavation bit extraction tool
    Patent number: 10563506
    Abstract: An extraction tool for removing bullet bits from mining and excavation equipment, including a threaded extraction rod and extractor, a pusher tube.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: February 18, 2020
    Inventor: Darel Fisk
  • Mining and Excavation Bit Extraction Tool
    Publication number: 20170314393
    Abstract: An extraction tool for removing bullet bits from mining and excavation equipment, including a threaded extraction rod and extractor, a pusher tube.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 2, 2017
    Inventor: Darel Fisk