"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7441791 | Wheelbarrow towing system A wheelbarrow towing system includes a wheelbarrow that includes a housing with a bottom wall and a peripheral wall that is attached to and extends upwardly from the bottom wall. An axle is attached to the bottom wall adjacent to a front end of the housing. At least... | 10/28/2008 |
| 7387316 | Portable water tank A portable tank apparatus has a yoke pivotal on a transverse member between a service towing position and a raised position, and a pair of hingedly connected brace members at the rear of the apparatus and operable by an actuator to retract the wheels or lower the wh... | 06/17/2008 |
| 7059419 | Tractor hitch lift arm adaptor An adapter that converts a tractor hitch coupling from a ball and pin type to a hook type. The adapter is a tubular member having an opening at one end into which an end of the hitch arm is inserted and a hook extends therefrom at the opposite end. A locking dog is ... | 06/13/2006 |
| 7048070 | Quick coupler assembly with dual hook members An coupling mechanism includes a cross member, left and right side members projecting from the cross member, and a pair of attaching members which are removably attached to the side members. Each attaching member has an elongated body, a first hook fixed to a first ... | 05/23/2006 |
| 7040644 | Hydraulic three point hitch A combination of a tractor hydraulic arm assembly and a hitch adapter installed between the two arms of the arm assembly, the hitch adapter consisting of a length of āUā shaped steel channel, having a plurality of holes formed in the top surface, with trailer hi... | 05/09/2006 |
| 6973976 | Self-aligning and self-locking hitch assembly A hitch assembly including a triangular flat portion mounted on the base plate of a guidable member for connecting an arm to the triangular flat portion and to a housing mounted above a plate on which is mounted a tube section having a reinforcing plate that is conn... | 12/13/2005 |
| 6739402 | Transport drawbar A transport drawbar for an agricultural tractor has an elongate forward drawbar section of substantially uniform rectangular cross section that mounts on the tractor in the conventional way. An elongate second drawbar section extends to the rear from the forward sec... | 05/25/2004 |
| 6481734 | Trailer hitch cover assembly A trailer hitch cover assembly includes a clamp assembly having an aperture extending longitudinally therethrough to fit over a hitch tube of a trailer hitch on a motor vehicle. The clamp assembly also includes an inner clamp disposed over the hitch tube ... | 11/19/2002 |
| 6425596 | Vehicle winch arrangement A winch arrangement fitted to a vehicle chassis (1) comprises a winch (2) mounted at an intermediate position between chassis front end (3) and chassis rear end (4), and a winch cable (5) extended from the winch (2) to a pulley block (6) mounted on the ch... | 07/30/2002 |
| 6390490 | Quick connect tractor hitch coupling A quick hitch coupling for use with a powered machine and a drawn machine. The coupling comprises a receiving unit attached to forward end of an implement in a substantially stationary position and an engaging unit attached to the powered machine which ma... | 05/21/2002 |
| 5901792 | Vertically adjustable hitch A vertically adjustable hitch for an agricultural tractor includes a pair of guide rails and a retainer which moves up and down on the rails. A chain has fixed ends and a central region which engages a pair of pulleys which are rotatably mounted on the re... | 05/11/1999 |
| 5738176 | Automatic hitching system A battery-powered grass mower (12) is hitched to en electric garden tractor (10). The hitching system has arms (27) pivoted (29) to the tractor, which can be raised and lowered by means of ah electric actuator strut (45). To hitch, the tractor is maneuver... | 04/14/1998 |
| 5647441 | Combined tractor and dump truck vehicle A self-contained, modular three-point hitch including a three-point hitch fixture with a power take off drive bearing, a pair of lifting arm mounts, a fixed third point hitch, and a channel housing a lifting arm drive device; and a lifting arm subassembly... | 07/15/1997 |
| 5586702 | Vehicle cargo carrier A vehicle cargo carrier for storing and transporting luggage, gear, equipment and the like on the exterior of a vehicle. The carrier is attached to a common trailer hitch and is particularly well suited for use with a mini-van or sport utility vehicle whi... | 12/24/1996 |
| 5581129 | Automatic MFD kickout switch The MFD kickout switch controls the drive system on a tractor's front wheels in response to the controlled movement of a three point hitch. Tractors which are equipped with a system that disengages the front drive wheels when a tighter turning radius is n... | 12/03/1996 |
| 5289435 | Capactive force transducer A capacitive electro-mechanical transducer for responding to both push and pull, for example in a road vehicle drawbar, involves axially spaced flanges (3) on the one force-transmitting member lying on opposite sides of a transverse portion (1) of the oth... | 02/22/1994 |
| 4723473 | Detachable connection between a military tank and a mine roller assembly A detachable hinge-like connection between a military tank and a mine rol assembly; the hinge connection is designed to be broken (disconnected) from a remote point, e.g. from within the tank, whereby the mine roller assembly can be left on the battlefie... | 02/09/1988 |
| 4282621 | Releasable locking device A device is provided for releasably securing a parked vehicle to an adjacent structure. The device is provided with a first member hingedly mounted for movement between an operative mode and an inoperative mode. When the first member is in an operative mo... | 08/11/1981 |