Patents Assigned to McClain Industries
  • Hydraulic system and method of operating same
    Patent number: 6648576
    Abstract: An improved hydraulic system and method of operating same for waste collection vehicles is provided where a closed center valve in conjunction with a positive displacement pump is used without the need for increasing engine RPM, thus significantly reducing vehicle noise during operation of the hydraulic system.
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: November 18, 2003
    Assignee: McClain Industries
    Inventors: Charles A. Duell, Thomas E. Pfeifer
  • Integral valve-cylinder assembly and fork positioning system
    Patent number: 6584884
    Abstract: An integral valve-cylinder assembly and a fork folding hydraulic system for front loading waste collection vehicles is provided that allows the forks to be full tucked for over-the-road travel and without exceeding the vehicle height limit that uses a multi-port hydraulic cylinder integrated with a remotely activated valve that is operated with a single control valve from within the vehicle cab.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: July 1, 2003
    Assignee: McClain Industries
    Inventor: Charles A. Duell
  • Hydraulic system and method of operating same
    Patent number: 6547505
    Abstract: An improved hydraulic system and method of operating same for waste collection vehicles is provided where a closed center valve in conjunction with a positive displacement pump is used without the need for increasing engine RPM, thus significantly reducing vehicle noise during operation of the hydraulic system
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: April 15, 2003
    Assignee: McClain Industries
    Inventors: Charles A. Duell, Thomas E. Pfeifer