Patents by Inventor Mark J. Shultz

Mark J. Shultz 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).

  • Patent number: 12228117
    Abstract: A transfer pump includes a drive module having electronic components and a fluid module not including electronic components. The drive module provides motive power to a pump of the fluid module to power pumping by the fluid module. A control module is configured to monitor operation of the transfer pump and control pumping by the transfer pump. The control module is configured to receive dosing commands from a user interface, recall a dosing parameter based on the dosing command, and cause the drive module to operate the fluid module based on the dosing parameter to cause the transfer pump to output a set volume of material.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: February 18, 2025
    Assignee: Graco Minnesota Inc.
    Inventors: Mark D. Shultz, Robert J. Gundersen, Rami A. Azer
  • Patent number: 6602071
    Abstract: A handheld cleaning device includes a cleaning section having discharge and suction ports; and a pump for causing fluid to be discharged through the discharge port of the cleaning section and for simultaneously creating suction at the suction port of the cleaning section.
    Type: Grant
    Filed: January 13, 2001
    Date of Patent: August 5, 2003
    Inventors: M. Edmund Ellion, Mark J. Shultz
  • Patent number: 6030215
    Abstract: A self-contained hand-operated oral irrigation device for dispensing a pulsing stream of water or therapeutic fluid to the surfaces of the user's oral cavity. The irrigation device has the capability of lavaging at controlled values of pressure and volume of the dispensed fluid and withdrawing the fluid from user's oral cavity for convenient disposal. The irrigation device has a detachable section. Different types of discharge sections include a tooth brush, plaque removal brush and a gum stimulator having lavaging capabilities are provided.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: February 29, 2000
    Inventors: M. Edmund Ellion, Mark J. Shultz