Patents by Inventor Neill C. Woelffer

Neill C. Woelffer 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: 4152884
    Abstract: A lawn mower with catcher accommodation and having a mower housing and a rear portion on the housing extending along an upright plane transverse to the mower central axis. A handle is attached to the housing and extends rearwardly therefrom and the housing has a grass clipping discharge opening directed to the rear on the mower and to one side of the central axis. The mower has a vertically mounted hinged door extending over the discharge opening and being swingable to an open position and against a spring. A grass catcher can be mounted on the mower and it has an adapter abutting the mower and in contact with the spring-urged door which secures the catcher on the mower. The mower door has an impact panel therein for engaging the materials blown and thrown by the mower and against the door when the door is closed.
    Type: Grant
    Filed: July 22, 1977
    Date of Patent: May 8, 1979
    Assignee: Jacobsen Manufacturing Company
    Inventors: Merlin H. Gandrud, Neill C. Woelffer
  • Patent number: 4149363
    Abstract: A lawn mower catcher of the bag type including a grass inlet opening at one end thereof and having a rigid door or mower adapter connected at the one end and extending over the opening. The door or adapter itself has a grass inlet opening for entry of the grass into the bag catcher. The door or adapter is pivotally attached to the fabric or bag portion of the catcher and can be opened and closed on the catcher opening and has attaching members for mounting onto a mower. Also, the catcher has another mower attachment, all so that the opposite ends of the catcher can be attached to the mower and extends rearwardly thereof and within the lateral limits of the mower and the mower handle extends underneath the catcher for upwardly supporting the catcher when the catcher is filled or sags. The catcher also has an additional handle for uprightly supporting the catcher to empty the grass therefrom when the door is opened.
    Type: Grant
    Filed: July 25, 1977
    Date of Patent: April 17, 1979
    Assignee: Jacobsen Manufacturing Company
    Inventors: Neill C. Woelffer, Merlin H. Gandrud, Donald G. Haffner
  • Patent number: 4134249
    Abstract: A mulching type of lawn mower including a mower housing and a cutter blade therein and with vertically adjustable wheels on the housing. A comb member with a drag flap or panel is attached to the housing at the rear thereof and extends downwardly toward the ground in two sections, with the forward one of the two sections being shorter than the rearward one, and with the two sections or panels terminating in lower edges which brush the cut grass clippings and thereby comb them into the turf.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: January 16, 1979
    Assignee: Jacobsen Manufacturing Company
    Inventors: Charles A. Wuerker, Gary C. Steingraber, Neill C. Woelffer