Patents by Inventor Erik S. Shafer

Erik S. Shafer 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).

  • Automatic grease dispensing system
    Patent number: 10663112
    Abstract: An automatic grease dispensing system for supplying grease to at least one destination includes a grease container, at least one drive cylinder configured for reciprocating motion, a pump cylinder coupled to and driven by each drive cylinder, wherein the pump cylinder includes an inlet in fluid communication with grease in the grease container and an outlet in fluid communication with one destination to be supplied with grease, a first one way check valve coupled to each inlet configured to allow grease to flow from the grease container to the pump cylinder and configured to prevent grease to flow from the pump cylinder to the grease container, and a second one way check valve coupled to each outlet configured to allow grease to flow from the pump cylinder to the one destination and configured to prevent grease to flow from the destination to the pump cylinder.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: May 26, 2020
    Assignee: INDUSTRIAL ROBOT SUPPLY, INC.
    Inventor: Erik S. Shafer
  • Automatic Grease Dispensing System
    Publication number: 20180135802
    Abstract: An automatic grease dispensing system for supplying grease to at least one destination includes a grease container, at least one drive cylinder configured for reciprocating motion, a pump cylinder coupled to and driven by each drive cylinder, wherein the pump cylinder includes an inlet in fluid communication with grease in the grease container and an outlet in fluid communication with one destination to be supplied with grease, a first one way check valve coupled to each inlet configured to allow grease to flow from the grease container to the pump cylinder and configured to prevent grease to flow from the pump cylinder to the grease container, and a second one way check valve coupled to each outlet configured to allow grease to flow from the pump cylinder to the one destination and configured to prevent grease to flow from the destination to the pump cylinder.
    Type: Application
    Filed: November 15, 2016
    Publication date: May 17, 2018
    Inventor: Erik S. Shafer