Patents by Inventor Roy J. Firestone

Roy J. Firestone 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).

  • Truck wash automatic chemical ratio proportioning
    Patent number: 6921027
    Abstract: A chemical ratio proportioning apparatus (100, 200) intended primarily for use in a wash bay (10) of a vehicle wash system. A gantry (14) and spray wands (18) are used for washing a vehicle (12). A quantity of solvent such as water (109) is provided under pressure from water pumps (104, 202). A chemical (114, 114a) is provided under pressure from chemical pumps (124, 206, 206a), mixed in correct proportion under control of a control unit (120) and flow sensors 112 and 118. The control unit controls metering devices such as a metering pump (124) and/or one or more proportioning solenoid valves (208, 208a) to control the quantity of chemical (114, 114a) entering the system.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: July 26, 2005
    Assignee: Ultra Express Truck Wash, LLC
    Inventor: Roy J. Firestone
  • Truck wash automatic chemical ratio proportioning
    Publication number: 20030127534
    Abstract: A chemical ratio proportioning apparatus (100, 200) intended primarily for use in a wash bay (10) of a vehicle wash system. A gantry (14) and spray wands (18) are used for washing a vehicle (12). A quantity of solvent such as water (109) is provided under pressure from water pumps (104, 202). A chemical (114, 114a) is provided under pressure from chemical pumps (124, 206, 206a), mixed in correct proportion under control of a control unit (120) and flow sensors 112 and 118. The control unit controls metering devices such as a metering pump (124) and/or one or more proportioning solenoid valves (208, 208a) to control the quantity of chemical (114, 114a) entering the system.
    Type: Application
    Filed: January 9, 2002
    Publication date: July 10, 2003
    Inventor: Roy J. Firestone