Patents by Inventor Francis W. Wenzel

Francis W. Wenzel 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).

  • Publication number: 20120137904
    Abstract: A machine is provided that simultaneously perforates and crushes an incoming flow of waste containers to output perforated compressed containers. The machine includes a pair of counter rotating drums supported within a frame and separated by a compression gap into which the containers are fed. A guard mechanism on the cover of the frame produces a downward angle of entry that is substantially parallel to the rotating axis of the drums. The outer surface of each drum includes a pattern of grooved rings that form a plurality of channels. Positioned within alternate channels are a plurality of perforating tools arranged in an opposing helical pattern to create a staggered path that engages and traps the containers to produce a positive feeding flow of the containers into and through the gap where the containers are punctured and crushed.
    Type: Application
    Filed: September 22, 2011
    Publication date: June 7, 2012
    Inventors: Stephen C. VANDEWINCKEL, Francis W. WENZEL, Gregory T. GUILE
  • Patent number: 7399038
    Abstract: A mortar buggy with stake bed assembly provides a removable flat heavy duty base platform and a rear panel that can be fitted onto the chassis of an existing mortar buggy or similar conveyance in place of a hopper. The stake bed assembly provides removable front and side panels made of solid steel or similar alloy that can be configured to attach vertically in a hopper configuration or horizontally in an extended flat bed configuration, to provide additional loading surface for long or large items. The stake bed assembly also provides for a removable front tailgate with the ability to hinge at both its top and bottom so that the front tailgate can swing either up or down.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: July 15, 2008
    Assignee: Stone Construction Equipment, Inc.
    Inventors: Stephen C. Vandewinckel, Francis W. Wenzel
  • Publication number: 20080116013
    Abstract: A self-propelled, operator controlled, load lifting and transporting vehicle including a mobile frame (96) supported by front and rear wheel assemblies (24, 26) at the front and rear of the frame and a drive motor (116) driving a hydrostatic drive system to drive a pair of transversely spaced front wheels (24). A pair of closely spaced rear wheels (26) are supported from the frame and includes a steering structure (106) oriented to enable operator control. A vertical mast (28) is supported at the front of the frame by a transverse, generally horizontal pivotal structure including a hydraulically operated piston and cylinder assembly (90) to vary the forward and rearward tilt of the mast.
    Type: Application
    Filed: June 18, 2004
    Publication date: May 22, 2008
    Inventors: Stephen C. Vandewinckel, Francis W. Wenzel, Guy W. Boor
  • Patent number: 7201453
    Abstract: A mortar buggy with stake bed assembly provides a removable flat heavy duty base platform and a rear panel that can be fitted onto the chassis of an existing mortar buggy or similar conveyance in place of a hopper. The stake bed assembly provides removable front and side panels made of solid steel or similar alloy that can be configured to attach vertically in a hopper configuration or horizontally in an extended flat bed configuration, to provide additional loading surface for long or large items. The stake bed assembly also provides for a removable front tailgate with the ability to hinge at both its top and bottom so that the front tailgate can swing either up or down.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: April 10, 2007
    Assignee: Stone Construction Equipment, Inc.
    Inventors: Stephen C. Vandewinckel, Francis W. Wenzel
  • Publication number: 20030058087
    Abstract: An electronic control ignition (ECI) box for use with a trench roller or other construction-type equipment to control engine operation and the distribution of electrical power to various components, monitor machine failure faults and engine operating parameters, and archive hours of use. Faults, operating parameters and hours are displayed to an operator using a microprocessor-controlled display. The entire ECI is embedded in a suitable thermally-conductive epoxy encapsulent to form a unitary component that is both vibration-resistant and weatherproof.
    Type: Application
    Filed: January 26, 2001
    Publication date: March 27, 2003
    Inventors: Francis W. Wenzel, Gary A. Schwenck, Mark A. Corio