Patents Assigned to Robert Manufacturing Co.
  • Unitary valve filter combustion
    Patent number: 4836238
    Abstract: A easily manufactured unitary valve and filter assembly of compact design allows replacement of the installed particulate filter without requiring difficult dissasembly. A cylindrical mesh filter is contained in a capped receptacle in the assembly and is accessible by removal of the cap. The shut off valve is operable to stop fluid flow while the filter is withdrawn from its receptacle in the assembly to be cleaned or replaced.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: June 6, 1989
    Assignee: Robert Manufacturing Co.
    Inventors: William L. Wright, Benjamin D. Mendoza