Patents by Inventor Jonathan J. Lacher

Jonathan J. Lacher 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).

  • Control valve assembly
    Patent number: 9410560
    Abstract: A power machine and a power conversion system for a power machine are disclosed. In an exemplary embodiment, the power conversion system includes a pump configured to provide a source of pressurized hydraulic fluid and a control valve assembly to receive the hydraulic fluid. The control valve assembly includes a first valve element configured to direct hydraulic fluid to an actuator when the first valve element is in first and second actuated positions. The control valve assembly also includes a second valve element downstream of the first spool. The first valve element is moveable between an unactuated position and the first and second actuated positions and is configured to direct hydraulic fluid received from the actuator through the second actuated position to the second valve element and to direct hydraulic fluid received from the actuator through the first actuated position to bypass the second valve element.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: August 9, 2016
    Assignee: Clark Equipment Company
    Inventors: Jason R. Coombs, Joseph A. St. Aubin, Jonathan J. Lacher, Rodney Koch
  • Control valve assembly
    Patent number: 9291174
    Abstract: A power machine and a power conversion system for a power machine are disclosed. In an exemplary embodiment, the power conversion system includes a pump configured to provide a source of pressurized hydraulic fluid and a control valve assembly to receive the hydraulic fluid. The control valve assembly includes a first valve element configured to direct hydraulic fluid to an actuator when the first valve element is in first and second actuated positions. The control valve assembly also includes a second valve element downstream of the first spool. The first valve element is moveable between an unactuated position and the first and second actuated positions and is configured to direct hydraulic fluid received from the actuator through the second actuated position to the second valve element and to direct hydraulic fluid received from the actuator through the first actuated position to bypass the second valve element.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: March 22, 2016
    Assignee: Clark Equipment Company
    Inventors: Jason R. Coombs, Joseph A. St. Aubin, Jonathan J. Lacher, Rodney Koch
  • CONTROL VALVE ASSEMBLY
    Publication number: 20130318958
    Abstract: A power machine and a power conversion system for a power machine are disclosed. In an exemplary embodiment, the power conversion system includes a pump configured to provide a source of pressurized hydraulic fluid and a control valve assembly to receive the hydraulic fluid. The control valve assembly includes a first valve element configured to direct hydraulic fluid to an actuator when the first valve element is in first and second actuated positions. The control valve assembly also includes a second valve element downstream of the first spool. The first valve element is moveable between an unactuated position and the first and second actuated positions and is configured to direct hydraulic fluid received from the actuator through the second actuated position to the second valve element and to direct hydraulic fluid received from the actuator through the first actuated position to bypass the second valve element.
    Type: Application
    Filed: June 1, 2012
    Publication date: December 5, 2013
    Applicant: CLARK EQUIPMENT COMPANY
    Inventors: Jason R. Coombs, Joseph A. St. Aubin, Jonathan J. Lacher, Rodney Koch