Patents by Inventor Robert V. Franklin

Robert V. Franklin 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).

  • Cleaning apparatus and method
    Patent number: 5507305
    Abstract: An apparatus useful for providing a plurality of chemical compositions useful to clean an item, e. g., a tank comprises a plurality of reservoirs each containing a concentrated form of a different chemical composition and each having an outlet through which the concentrate exits the reservoir; a subsystem for providing diluent to the concentrates which exit the reservoir to form the chemical compositions; and a control subsystem to automatically control the time during which each concentrate exits from each reservoir. A method for providing chemical compositions useful to clean an item is also disclosed.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: April 16, 1996
    Inventor: Robert V. Franklin
  • Cleaning apparatus and method
    Patent number: 5353821
    Abstract: An apparatus useful for providing a plurality of chemical compositions useful to clean an item, e.g., a tank, comprises a plurality of reservoirs each containing a concentrated form of a different chemical composition and each having an outlet through which the concentrate exits the reservoir; a subsystem for providing diluent to the concentrates which exit the reservoir to form the chemical compositions; and a control subsystem to automatically control the time during which each concentrate exits from each reservoir. A method for providing chemical compositions useful to clean an item is also disclosed.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: October 11, 1994
    Assignee: Dober Chemical Corporation
    Inventor: Robert V. Franklin
  • Method for cleaning a piece of equipment
    Patent number: 5282889
    Abstract: An apparatus useful for providing a plurality of chemical compositions useful to clean an item, e. g., a tank, comprises a plurality of reservoirs each containing a concentrated form of a different chemical composition and each having an outlet through which the concentrate exits the reservoir; a subsystem for providing diluent to the concentrates which exit the reservoir to form the chemical compositions; and a control subsystem to automatically control the time during which each concentrate exits from each reservoir. A method for providing chemical compositions useful to clean an item is also disclosed.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: February 1, 1994
    Assignee: Dober Chemical Corporation
    Inventor: Robert V. Franklin
  • Cleaning apparatus and method
    Patent number: 4915119
    Abstract: An apparatus useful for providing a plurality of chemical compositions useful to clean an item, e.g., a tank, comprises a plurality of reservoirs each containing a concentrated form of a different chemical composition and each having an outlet through which the concentrate exits the reservoir; a subsystem for providing diluent to the concentrates which exit the reservoir to form the chemical compositions; and a control subsystem to automatically control the time during which each concentrate exits from each reservoir. A method for providing chemical compositions useful to clean an item is also disclosed.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: April 10, 1990
    Assignee: Dober Chemical Corporation
    Inventor: Robert V. Franklin
  • Bracket for holding, measuring and cutting plastic wrap
    Patent number: D346517
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: May 3, 1994
    Inventors: Robert V. Franklin, Karen R. Franklin