...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8069590 | Snow plow having limiting member A snow plow for attachment to a vehicle, the snow plow including a mounting apparatus having a mounting frame, the mounting frame including at least one mounting upright. The snow plow further including a plow blade having a retention apparatus constructed and arran... | 12/06/2011 |
| 8046939 | Apparatus protecting vehicle with accessory when scraping edge of accessory strikes fixed object A mounting apparatus for a bucket of a front end loader vehicle. The mounting system allows the bucket to pivot up and over fixed objects when the leading edge of the bucket strikes an immovable object for the purpose of protecting the loader assembly, vehicle, and ... | 11/01/2011 |
| 8006413 | Stop member for snowplow assembly A snowplow assembly may include a support member, a mount member, and an actuator. The mount member may be operatively connected to a plow blade and pivotally connected to the support member and the mount member may pivot about a substantially vertical axis with res... | 08/30/2011 |
| 7992327 | Snow plow rebound apparatus A snow plow rebounding system is provided. A cushion block and shock-absorbing springs serve to cushion a snow plow rotating about a horizontal axis. ... | 08/09/2011 |
| 7975409 | Snow plow assembly with resilient snow plow blade mounting structure A snow plow assembly with a longitudinally extending plow body has a blade mounting structure that supports a longitudinally extending plow blade. The blade mounting structure has a series of hinges that receive a longitudinally extending pivot rod to couple the plo... | 07/12/2011 |
| 7743534 | Snow plow having two-piece mold board A snow plow for attachment to a vehicle, the snow plow including a mounting apparatus having a mounting frame, the mounting frame including at least one mounting upright. The snow plow further including a plow blade including a retention apparatus constructed and ar... | 06/29/2010 |
| 7730641 | Blade element mounting in a snow plough Flexible suspension of colter element (1) of a snowplough furnished with a body (5), a blade (3) as its extension, colter element (1) that gets in contact with the surface to be ploughed, where for the colter element (1) a tilt sui... | 06/08/2010 |
| 7703222 | Snow plow having hitch tongue and pivoting mechanism A snow plow for use with personal utility vehicles is disclosed. The snow plow includes a mounting apparatus for attachment to a vehicle and a plow blade having a main surface, a rear surface, a plurality of retention members and a rubber scraper. The mounting appar... | 04/27/2010 |
| 7681335 | Snow plow having attachable biasing member A snow plow for attachment to a vehicle, the snow plow including a mounting apparatus having a mounting frame, the mounting frame including at least one mounting upright. The snow plow further including a plow blade including a retention apparatus constructed and ar... | 03/23/2010 |
| 7676962 | Snow plow having reinforced mold board A snow plow for attachment to a vehicle, the snow plow including a mounting apparatus having a mounting frame, the mounting frame including at least one mounting upright. The snow plow further including a plow blade including a retention apparatus constructed and ar... | 03/16/2010 |
| 7676963 | Snow plow including mold board having back plate A snow plow for attachment to a vehicle, preferably an all terrain vehicle, the snow plow including a mounting apparatus having a mounting frame, the mounting frame including at least one mounting upright. The snow plow further including a plow blade. The preferred ... | 03/16/2010 |
| 7661210 | Plow A support or hitch box supports a mounting bar in a selected vertical position. The mounting bar is received in a standard hitch receiver of any car, truck or other vehicle. A plow head is a light weight, strong, box like structure with oppositely directed mold boar... | 02/16/2010 |
| 7658021 | Self-adjusting snow plow A self-adjusting snow plow for use with pickup trucks and sport utility vehicles is disclosed. The snow plow includes a mounting apparatus for attachment to a vehicle and a plow blade having first and second ends, a top, a bottom, a plurality of retention members an... | 02/09/2010 |
| 7658022 | Slip hitch for a snow plow A slip hitch connection to a drive vehicle for a snow plow comprises an elongated flat planar member that can be hooked on to a connecting lug of the drive vehicle, the flat planar member being mounted on the snow plow frame for reciprocal movement in each of a pair... | 02/09/2010 |
| 7631441 | Wearing edge attachment system A wearing edge attachment system including a mounting assembly having a first portion adapted to engage a support on a vehicle, and a second portion. The wearing edge attachment system further includes at least one wearing edge, a flexible device adapted to surround... | 12/15/2009 |
| 7603798 | Self-adjusting snow plow A self-adjusting snow plow for use with pickup trucks and sport utility vehicles is disclosed. The snow plow includes a mounting apparatus for attachment to a vehicle and a plow blade having first and second ends, a top, a bottom, a plurality of retention members an... | 10/20/2009 |
| 7565756 | Lost motion mechanism for movable vehicle implements A lost motion mechanism that is operatively interconnected with a hydraulic cylinder is provided. The lost motion mechanism includes an elongated rod connected with a portion of the hydraulic cylinder. An elongated sleeve member is adapted to receive at least a port... | 07/28/2009 |
| 7555853 | Snow plow assembly with resilient snow plow blade mounting structure A snow plow assembly with a longitudinally extending plow body has a blade mounting structure that supports a longitudinally extending plow blade. The blade mounting structure has a series of hinges that receive a longitudinally extending pivot rod to couple the plo... | 07/07/2009 |
| 7543401 | Back drag plow A plow has an upper blade. A lower forward-plowing blade is coupled to the upper blade. The lower forward-plowing blade is configured to engage material to be plowed when the plow is plowing in a forward direction. A back-blade is pivotally coupled to the upper blad... | 06/09/2009 |
| 7472499 | Snow plow having pivoting mechanism A snow plow for attachment to a vehicle, the snow plow including a mounting apparatus having a mounting frame, the mounting frame including at least one mounting upright. The snow plow further including a plow blade. The plow blade has a mold board including a main ... | 01/06/2009 |
| 7467485 | Inserted knife fortified snowplow blade The present invention relates to snowplow (200) systems provided with a shovel (105) utilized generally for scraping snow (106). Articulated blades (20), resembling a hand (21) having a Y or a H shape, wherein wear knives (22 | 12/23/2008 |
| 7437839 | Cutting edge for a V-blade snowplow A V-blade plow has adjustable first and second blades, each with an inner end that is rotatably connected to a pivot frame. The plow is provided with a cutting edge arrangement comprising first and second edge segments and a center edge segment there between. The fi... | 10/21/2008 |
| 7334357 | Snowplow impact reduction system An improved front hitch assembly is provided for mounting a snowplow to the front of a vehicle. The hitch assembly includes a pair of mounting brackets secured to the vehicle frame, and a pair of receivers releasably connected to the mounting brackets. The plow incl... | 02/26/2008 |
| 7287344 | Landscaping apparatus and method A landscaping tool for attachment to a bucket of a landscaping vehicle, the tool generally comprising an elongate plate having two opposite longitudinal working edges and a plurality of integrally formed teeth protruding from each working edge. The elongate plate ha... | 10/30/2007 |
| 7263789 | Plow assembly with adjustable trip mechanism A plow for mounting to a vehicle is disclosed. The plow can include a moldboard having a movable cutting edge and an adjustable bias trip mechanism having a biasing member preferably in the form of a spring. The adjustable trip mechanism can be arranged with the cut... | 09/04/2007 |
| 7260902 | Jack for a working implement and method Jack for raising and lowering a working implement such as hydraulically driven snow blades or other utilitarian accessories. Actuation of the jack allows for proper vertical alignment of the lift assembly for engagement to a vehicle chassis. Once engaged, the jack c... | 08/28/2007 |
| 7257909 | Convertible yard tool A convertible yard tool is disclosed having an implement connected for rotation within a housing, wherein the implement and housing are operated relative to a ground surface in either a snow throwing orientation or a sweeping orientation. When operated in the snow t... | 08/21/2007 |
| 7228650 | Jack for a working implement and method Jack for raising and lowering a working implement such as hydraulically driven snow blades or other utilitarian accessories. Actuation of the jack allows for proper vertical alignment of the lift assembly for engagement to a vehicle chassis. Once engaged, the jack c... | 06/12/2007 |
| 7219453 | Floatdown implement for small vehicles A small vehicle-mounted power assisted implement that employs an independent motor associated with or located on the vehicle. The implement features a floatdown system for applying a continuous bi-directional force to the implement and to the vehicle to improve grou... | 05/22/2007 |
| 7195307 | Hinge for vehicle hood A hinge is provided suitable for attaching a hood to a car or truck. The hinge includes generally tubular members sharing a common axis of rotation. Elastomeric elements interposed between the tubular members provide isolation between the parts of the hinge. Relativ... | 03/27/2007 |
| 7171770 | Trip edge snow plow blade An improved snow plow blade is disclosed which has a fixed upper plow blade and a pivoting lower trip blade mounted on the swing frame of the snow plow with the axis of rotation of the trip blade being directly in line with the swing frame and the support frame of t... | 02/06/2007 |
| 7159344 | Plow moldboard assembly having multiple ground engaging blades A plow moldboard assembly having multiple ground engaging blades is provided with a plurality of elongate blade receiving slots having an open top and an open bottom and each defined by front and rear walls and two end walls disposed rearward of the rear major face ... | 01/09/2007 |
| 7143531 | Plow protector In one aspect of the present invention, a plow protection device is disclosed. Such a device may, for example, protect a plow against substantial damage from impact with an obstruction such as a utility cover. In various embodiments of the present invention, the plo... | 12/05/2006 |
| 7139944 | Method and system for determining minimum post production test time required on an integrated circuit device to achieve optimum reliability A method and system for determining minimum post production test time on an integrated circuit device to achieve optimal reliability of that device utilizing defect counts. The number of defective cells or active elements with defective cells (DEFECTS) on the integr... | 11/21/2006 |
| 7134227 | Adjustable wing plow A plow assembly includes a pair of plow wings which are pivotally mounted at opposite ends of a center plow. Each of the plow wings may pivot between a forwardly angled position and an aligned position. The plow assembly may pivot a trailing plow wing in response to... | 11/14/2006 |
| 7131221 | Self-adjusting snow plow A self-adjusting snow plow for use with pickup trucks and sport utility vehicles is disclosed. The snow plow includes a mounting apparatus for attachment to a vehicle and a plow blade having first and second ends, a top, a bottom, a plurality of retention members an... | 11/07/2006 |
| 7127838 | Universal control adapter system A universal control adapter system allows any commercial or custom snowplow controller to be quickly and easily attached and detached from any commercial or custom snowplow blade. A first adapter connects the snowplow driver's controller to a first universal control... | 10/31/2006 |
| 7124815 | Tubing injector for variable diameter tubing A tubing injector apparatus for use with variable diameter tubing. The apparatus comprises a pair of carriages which may be moved transversely and pivotally with respect to one another by actuating hydraulic actuator cylinders. A hydraulic control system uses relief... | 10/24/2006 |
| 7120961 | Brush wear adjustment system and method A brush wear adjustment system for use in a powered street sweeper to provide for consistent sweeping performance where wear of rotary brush bristles is constantly sensed and the rotational speed of the rotary brush is automatically increased to maintain a desired b... | 10/17/2006 |
| 7117617 | Snowplow mount A snowplow blade mount assembly mountable on a vehicle that includes a frame mount assembly which is affixed to a frame of the vehicle and a support assembly that connects to the frame mount assembly. The support assembly is designed to connect to a lift mount assem... | 10/10/2006 |