Patents by Inventor Derek K. Allensworth

Derek K. Allensworth 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).

  • Patent number: 9148989
    Abstract: This disclosure is directed to the field of agricultural machinery and relates to implements generally used in combination with a multi-row soil trench closing mechanism. Specifically, the disclosure relates to row treating units adapted to be attached to and following a multi-row planter and incorporating a combination of tools that includes a seed trench closing wheel assembly and a firming/packing wheel assembly. The deployment of and down force exerted by the packing wheel is independently adjustable and controlled using pneumatic air bag operators and the soil penetration of the trench closing wheels is limited.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: October 6, 2015
    Assignee: L & B MANUFACTURING, INC.
    Inventors: Loyd C. Van Buskirk, Dylan C. Van Buskirk, Derek K. Allensworth
  • Patent number: 9078392
    Abstract: A pneumatic system capable of operating a number of pneumatic operators associated with a plurality of row units attached to a multi-row planting or seeding system or other tow bar arrangement, or the like, and with an ability to modulate or control the adjustment of air pressures, manually and electronically, raise and lower implements and adjust the force exerted by individual implements on the soil associated with each row unit is included. The system can be controlled remotely as from a remote switch or control panel located in the cab of an associated tractor.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 14, 2015
    Assignee: L & B MANUFACTURING, INC.
    Inventors: Loyd C. Van Buskirk, Dylan C. Van Buskirk, Derek K. Allensworth
  • Publication number: 20140262380
    Abstract: A pneumatic system capable of operating a number of pneumatic operators associated with a plurality of row units attached to a multi-row planting or seeding system or other tow bar arrangement, or the like, and with an ability to modulate or control the adjustment of air pressures, manually and electronically, raise and lower implements and adjust the force exerted by individual implements on the soil associated with each row unit is disclosed. The system can be controlled remotely as from a remote switch or control panel located in the cab of an associated tractor.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicants: YETTER MANUFACTURING COMPANY, L & B MANUFACTURING, INC.
    Inventors: Loyd C. Van Buskirk, Dylan C. Van Buskirk, Derek K. Allensworth