Patents by Inventor Mark Christopher Hammarth

Mark Christopher Hammarth 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).

  • Aerosol dispenser temperature indicator
    Patent number: 6585411
    Abstract: A liquid crystal temperature indicator, and aerosol dispensers equipped with a properly placed indicator, to facilitate using aerosols within preferred temperature ranges or at optimum temperatures. The temperature indicator uses different colors to graphically illustrate temperatures and/or temperature ranges, as well as temperatures above and below optimal temperatures or preferred temperature ranges. Temperature indicators are reusable; they may be self-adhesive and may optionally be transferred from one dispenser to another.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: July 1, 2003
    Assignee: Illinois Tool Works Inc.
    Inventors: Mark Christopher Hammarth, William Henry Passarotti
  • AEROSOL DISPENSER TEMPERATURE INDICATOR
    Publication number: 20030086474
    Abstract: A liquid crystal temperature indicator, and aerosol dispensers equipped with a properly placed indicator, to facilitate using aerosols within preferred temperature ranges or at optimum temperatures. The temperature indicator uses different colors to graphically illustrate temperatures and/or temperature ranges, as well as temperatures above and below optimal temperatures or preferred temperature ranges. Temperature indicators are reusable; they may be self-adhesive and may optionally be transferred from one dispenser to another.
    Type: Application
    Filed: November 2, 2001
    Publication date: May 8, 2003
    Inventors: Mark Christopher Hammarth, William Henry Passarotti