...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 8186702 | Apparatus and methods for weight distribution and sway control The present invention is directed to apparatus, systems, and methods for distributing the weight of a trailer to a towing vehicle and controlling the sway of that trailer relative to the towing vehicle. An embodiment of the present invention includes a spring arm co... | 05/29/2012 |
| 8070176 | Safety clip for weight distribution trailer hitch A trailer hitch is disclosed having a spacer in the form of a fastener or stopper that limits the travel of a spring clip so as to allow complete removal of the safety pin from the associated weight distribution rod, but does not allow the clip to extend to a positi... | 12/06/2011 |
| 7976050 | Side-mountable chain-tensioning device for a load-compensating trailer hitch A tensioning device for connecting a trailer to a spring bar of a load-compensating apparatus includes a body unit for securement to a frame member of a trailer; a reel unit having an off-center hub portion with a slot and rotatively secured to the body unit about a... | 07/12/2011 |
| 7934742 | Apparatus for raising a spring arm on a trailer hitch An apparatus for raising a spring arm of a trailer hitch. The apparatus may include a lift, such as a jack, for attaching to a tongue of a trailer. A link member may be pivotally attached to the lift. The link member may also be pivotally attached to a bracket which... | 05/03/2011 |
| 7926829 | Dual trailer hitch A trailer hitch includes multiple hitch connectors for connecting the trailer to a towing vehicle in different ways. The trailer hitch includes multiple connectors at distal ends of the hitch body. The trailer hitch can be position such that either end is facing the... | 04/19/2011 |
| 7673894 | Dual trailer hitch A trailer hitch includes multiple hitch connectors for connecting the trailer to a towing vehicle in different ways. The trailer hitch includes multiple connectors at distal ends of the hitch body. The trailer hitch can be position such that either end is facing the... | 03/09/2010 |
| 7318698 | Lift/transporter for small vehicle A tow lift apparatus for a towing vehicle includes a pair of vertically aligned and horizontally and fore-to aft oriented receiver hitches fixedly secured to the rear of the towing vehicle; a lift releasably connected to the receiver hitches, the lift connected to a... | 01/15/2008 |
| 7267354 | Towing device The present invention relates to a towing device which can be attached to a vehicle, in order to tow a heavy equipment vehicle, such as a tractor. The towing device includes a towbar hitch having two ends, a first end which attaches to a towing vehicle and a second ... | 09/11/2007 |
| 7159888 | Modular transport vehicle and method of use A modular transport vehicle includes a plurality of dollies which are removably connected to a central spine. Because the components of the present invention may be disconnected, the transport vehicle may be readily disassembled and moved from location to location u... | 01/09/2007 |
| 7032918 | Stabilization of an articulated vehicle A method for stabilizing an articulated vehicle, which articulated vehicle comprises at least a front frame structure and a rear frame structure, and a frame joint structure, which is arranged to couple the frame structures to each other and to allow them to rotate ... | 04/25/2006 |
| 7029020 | Sway control conversion bracket A bracket, apparatus and method are provided for adapting a simple draw bar and hitch ball arrangement to allow connection to a sway control device. The bracket includes an aperture for receiving the threaded stem of the hitch ball, a notch for receiving and engagin... | 04/18/2006 |
| 6722682 | Trailer hitch with load adjustment A weight distributing hitch system is provided with a shank and a head which is angularly adjustable relative to the shank. The head includes a plurality of adjustment teeth which are engaged by a toothed caster having corresponding teeth. The toothed caster has a m... | 04/20/2004 |
| 6234508 | Upper link sensing A load sensor is provided on a tractor to sense a load in the upper link of a three point hitch. The load sensor is fixed to the upper link, rather than the tractor to move with the upper link rather than the tractor. This arrangement permits the load sen... | 05/22/2001 |
| 6045147 | Lift unit for weight distributing trailer hitch The lift unit for a weight distributing trailer hitch includes a fixed mounting bracket secured to the trailer tongue and a chain lift bracket that pivots on the mounting bracket to raise and lower a chain for flexing and unflexing a spring bar that distr... | 04/04/2000 |
| 5984341 | Weight distributing hitch and slide bracket assembly A weight distributing and sway controlling hitch assembly for towing a trailer behind a vehicle includes a hitch bar for mounting to a vehicle. The hitch assembly also includes a ball mount head carried on the hitch bar and a hitch connector carried on th... | 11/16/1999 |
| 5890726 | Load leveling system A load leveling hitch assembly is provided for towing a trailer behind a vehicle. The load leveling hitch assembly includes a drawbar for mounting to the vehicle, a ball mount secured to the drawbar, a pair of spring bar mounting brackets secured to the t... | 04/06/1999 |
| 5799965 | Hitch having spring bars with integral hanger A weight distributing hitch includes a hitch bar for mounting to a vehicle, a ball mount head carried on the hitch bar, a hitch ball and a pair of spring bars. Each spring bar includes an integral lug for engaging a trailer and securing the spring bar in ... | 09/01/1998 |
| 5647603 | Spring bar with integral hanger A spring bar for a weight distributing hitch includes an elongated body carrying an integral hanger for securing to a trailer to be towed behind a towing vehicle. Preferably, the integral hanger is a lug with a cooperating retaining tab. The spring bar al... | 07/15/1997 |
| 5562298 | Weight distributing hitch assembly A weight distributing hitch for towing a trailer includes a hitch bar, a ball mount head and spring bars for distributing the weight of the trailer relative to a towing vehicle. The spring bars include mounting trunnions and the ball mount head includes c... | 10/08/1996 |
| 5394948 | Hitch assembly for a tractor A hitch assembly for releasably coupling an agricultural implement to a tractor frame. The hitch assembly includes a cantilevered drawbar rearwardly extending from the tractor frame. A free end of the drawbar is suited for connection to a tongue of the im... | 03/07/1995 |
| 5328197 | Load distributory and articulating system in all terrain vehicle of a traction and terrain A load distributing and articulating system in an all terrain vehicle of a tractor and a trailer arranged along a longitudinal axis. The trailer has a trailer body with a load section thereon. The system comprises a first pivot for articulating rotation b... | 07/12/1994 |
| 4889465 | Self-loading sailboat trailer A self-loading trailer which is operable to launch and load a fixed keel boat includes a frame for hauling and storing the boat, a pivotal boom for swinging the boat between the trailer and the water surface and a winch assembly for pivoting the boom duri... | 12/26/1989 |
| 4817980 | Articulated truck/trailer combination: first cargo unit coupling mechanism In a cargo-carrying vehicle having a power unit, a first cargo-carrying unit releasably affixed to the power unit, the first cargo-carrying unit not being pivotal on the power unit, and a second cargo-carrying unit releasably pivotally connected to the fi... | 04/04/1989 |
| 4558879 | Trailer for a truck The supporting frame (1) for the loading crane of a truck (2) is transported by a trailer, whose swingability is blocked in the operating position of the loading crane. In the operating position the truck (2) is rigidly connected to the supporting frame (... | 12/17/1985 |
| 4526393 | Method for moving a grandstand and a hitch for connecting a tractor to an implement to be towed. An improvement to the 3-point hitch standardly found on tractors of the type having an implement lift mechanism, including the addition of a joining apparatus which allows the tractor to turn without requiring a plow or other earth working implement being... | 07/02/1985 |
| 4331345 | Implement weight transfer An implement hitch arrangement comprising a fore carriage extension on the implement connected to a turntable above the rear axle of the tractor whereby the implement is supported at its front end on the tractor. The implement is drawn by a conventional d... | 05/25/1982 |
| 4278267 | Equipments for attaching trailers Improvement of equipment for attaching trailers with inertia controlled braking arrangement, being of the type including stabilizing bars whose exposure to tension provides an coupling arrangement for nullifying the reaction force affecting the supports o... | 07/14/1981 |
| 4087111 | Load transfer apparatus for use between a tractor hitched to a trailer A transfer apparatus for use between a tractor-like vehicle and a trailer-like vehicle connected by a hitch connection means. The transfer apparatus comprises a linkage member attached between the tractor and trailer with at least a portion of the linkage... | 05/02/1978 |