Assignee: Westendorf Manufacturing Co., Inc.

Location: Onawa, IA
No. of patents: 29

Number	Title	Issue Date
8007010	Hydraulic line attachment device and method A hydraulic line attachment device is provided. The hydraulic line attachment device comprises a first assembly comprising a first frame constructed for holding a plurality of first hydraulic line couplers and a first coupling member; and a second assembly comprisin...	08/30/2011
7717471	Hydraulic line attachment device and method A hydraulic line attachment device is provided. The hydraulic line attachment device comprises a first assembly comprising a first frame constructed for holding a plurality of first hydraulic line couplers and a first coupling member; and a second assembly comprisin...	05/18/2010
7566197	Independent hydraulic pinching fingers attachment for utility vehicles The pinching fingers implement of the present invention provides independent grasping claws that can be independently opened or closed, and also independently rolled forward and backward, to provide for the secure and versatile grasping, manipulation and transport o...	07/28/2009
7562473	Material-handling bucket with scraper blade A material-handling bucket which includes a blade with scarifying teeth on the rear of the bucket. By raising the bucket and rolling the bucket backward, the blade and teeth can be made to engage the ground to provide grading and scarifying capabilities for a conven...	07/21/2009
7559270	Hydraulic cylinder system A hydraulic system that allows pressurized fluid to be stolen from a master or lift cylinder and directed to a single acting cylinder to perform a function. The system utilizes a spring in the single acting cylinder to force the fluid to retract through the same sin...	07/14/2009
7455010	Expanded barrel hydraulic cylinder assembly The hydraulic cylinder assembly of the present invention provides an enlarged barrel and a compressible locking ring that secure a rod gland in the rod end of the cylinder. The tapered barrel prevents the rod gland from sliding into the cylinder and the locking ring...	11/25/2008
7243593	Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly Hydraulic cylinders that are ported at one end are disclose. ...	07/17/2007
7172384	Loader/attachment assembly, method for using a loader/attachment assembly, and combination motor vehicle and loader/attachment assembly A loader/attachment assembly is provided. The loader/attachment assembly can be referred to as a loader/bucket assembly when the attachment is a bucket. The loader/attachment assembly can include a bucket and a loader assembly. The bucket includes a bucket attachmen...	02/06/2007
7160077	Grapple assembly, a front end loader having a grapple assembly, and method for operating a grapple assembly A grapple assembly for attachment to a boom assembly of a front end loader is provided. The grapple assembly includes a first pinching arm having a first end constructed for grappling an article and a second end constructed for attachment to the boom assembly at a f...	01/09/2007
7152903	Tractor, a canopy assembly, and a method for attaching a canopy assembly to a tractor The invention relates to a canopy assembly for use on a tractor that can be conveniently installed and removed by a single operator. The canopy assembly includes, among other things, a sun shield, a bracket assembly, and attachment arms. Installing the sun shield in...	12/26/2006
D529053	Front end loader	09/26/2006
7021668	Hydraulic line attachment device and method A hydraulic line attachment device is provided. The hydraulic line attachment device comprises a first assembly comprising a first frame constructed for holding a plurality of first hydraulic line couplers and a first coupling member; and a second assembly comprisin...	04/04/2006
D518075	Front end loader	03/28/2006
7014411	Front end loader, tractor, and method for attaching a front end loader A front end loader is provided according to the invention. The front end loader includes a forward bracket assembly and a rear bracket assembly, a tower that attaches to the rear bracket assembly, and a tower subframe that attaches to the forward bracket assembly. T...	03/21/2006
7008162	Bale lift device, a front end loader having a bale lift device, and method for moving bales A bale lift device is provided by the invention. The bale lift device includes a back frame, a spear member, and rotation axis. The back frame includes a first end, a second end, and at least one extension separating the first end from the second end. The back frame...	03/07/2006
6994511	Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly A loader assembly is provided according to the invention. The loader assembly includes a boom arm and a bracket assembly. The boom arm includes a tower that includes a plurality of first hydraulic fluid coupler members, a lift arm that rotates relative to the tower ...	02/07/2006
6994512	Loader assembly, method for using a loader assembly, and combination motor vehicle and loader assembly A loader assembly is provided having a left boom arm and a right boom arm. The left boom arm includes a left tower, a left loader arm, a left lift cylinder, and a left attachment cylinder. The left tower is constructed for attachment to a bracket on a motor vehicle....	02/07/2006
6986634	Loader/attachment assembly, method for using a loader/attachment assembly, and combination motor vehicle and loader/attachment assembly A loader/attachment assembly is provided. The loader/attachment assembly can be referred to as a loader/bucket assembly when the attachment is a bucket. The loader/attachment assembly can include a bucket and a loader assembly. The bucket includes a bucket attachmen...	01/17/2006
D507004	Front end loader	07/05/2005
6663337	Bale lift device, a front end loader having a bale lift device, and method for moving bales A bale lift device is provided by the invention. The bale lift device includes a back frame, a spear member, and rotation axis. The back frame includes a first end, a second end, and at least one extension separating the first end from the second end. The...	12/16/2003
6582177	Front end loader, tractor, and method for attaching a front end loader A front end loader is provided according to the invention. The front end loader has a tower, a tower subframe, a knee, a loader arm, a front arm, a lift cylinder, and an attachment cylinder. The tower has a first tower end and a second tower end. The seco...	06/24/2003
6374520	Bucket for front end loader and method for transporting A bucket for a front end loader. The bucket includes a floor, a back wall, a left sidewall, and a right sidewall. The floor includes a floor leading edge, a floor trailing edge, a floor left edge, and a floor right edge. The back wall includes a back wall...	04/23/2002
5997237	Clam shell bucket and method of operating A clam shell bucket is provided. The clam shell bucket includes a first frame rotatably connected to a second frame along a pivot point to provide rotation of the first and second frames between a pincer configuration and a scooping configuration. The fir...	12/07/1999
4859130	Material handling attachment for a tractor having a multiple-point hitch assembly A material handling attachment such as a bucket or the like is pivotally secured to the three-point hitch assembly of the tractor. The hitch assembly is movable between a lower position and an upper position by means of standard equipment on the tractor, ...	08/22/1989
4601634	Cylinder strain relief linkage for a loader device for a tractor or the like A loader device for a tractor or the like comprising a frame which is adapted to be removably secured to the tractor or the like and which includes first and second uprights with the upper ends thereof being spaced laterally outwardly from the lower ends....	07/22/1986
4431207	Automatic hitch device An automatic hitch device for use on a tractor with a three-point hitch is disclosed. The device allows a tractor operator to engage or disengage a tow vehicle without leaving the tractor. Two fail-safe mechanisms are disclosed which prevent inadvertent d...	02/14/1984
4415303	Auger wagon An auger wagon of a type used in the transport of grain wherein the wagon has a grain box with inwardly sloping sides supported on a wheel mounted frame. A vertical auger is pivotally mounted at the center of the box floor and may be pivoted into a positi...	11/15/1983
4266906	Materials handling device and the method of mounting the same on a tractor A materials handling device or tractor loader is described as well as the method of mounting the same on a tractor. The loader device comprises a U-shaped sub-frame comprising a transversely extending forward end which is received by a pocket or channel m...	05/12/1981
4266909	Means for hydraulic self-leveling of a loader bucket An apparatus for hydraulic self-leveling of a loader bucket or the like is described wherein the loader upon which the bucket is mounted comprises a pair of spaced-apart boom arms pivotally mounted on a sub-frame attached to the tractor. The loader bucket...	05/12/1981

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Assignee: Westendorf Manufacturing Co., Inc.