Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7318627 | Recovery head with track seal An apparatus for assembling a liner from a plurality of longitudinal sections of flexible material having longitudinal edges adapted to be joined one to another to form the liner includes a path means along which the longitudinal sections of flexible material can be... | 01/15/2008 |
| 7201242 | Tracked vehicle with improved track drive unit An all-terrain vehicle is supported and driven by endless track units. Each track unit includes a drive belt with rows of interior drive lugs driven by cogs on multiple sprocket wheels of a common drive wheel assembly having an integrated, one-piece drum and hub. Mu... | 04/10/2007 |
| 7185600 | Inflatable keel floor chamber for inflatable kayaks The inflatable kayak includes an inflatable peripheral structure defining at least one buoyancy chamber having elongated side sections that come together at a fore section and a aft section to form a passenger compartment. An inflatable floor cushion supports a floo... | 03/06/2007 |
| 7172203 | Limited movement roller system A limited movement roller device and related method for moving a load includes a frame with a load bearing surface. A plurality of rollers are moveable through the frame and connected with respect to each other. A stop block is positioned within a void between two r... | 02/06/2007 |
| 7017686 | Hybrid human/electric powered vehicle A personal transporter that provides both for propulsion by a user, and, at the same time, for dynamic stabilization by means of a powered actuator. A pitch variable such as pitch or time rate of change of pitch is sensed and used to determine the torque provided to... | 03/28/2006 |
| 7018492 | Carpets with improved fuzz-resistance Tufted carpets bonded with thermoplastic binders and having improved resistance to fuzz formation due to removal of pile yarn filaments from tuft bundles comprise one or more backings, face yarn that forms a pile on one side and stitches on an opposite side, a therm... | 03/28/2006 |
| 6942226 | Pneumatic cot for use with emergency vehicles An ambulance cot is provided having a wheeled carriage, a frame for mounting the wheels, a horizontally oriented patient litter supported from the wheeled carriage and variable, pneumatically powered height scissors frame. The pneumatic actuator is designed to give ... | 09/13/2005 |
| 6478314 | Walking device The present invention provides a means for limiting the hip and elbow movement in a reciprocating leg so as to simulate the gait of a walking animal. This is accomplished through the use of one or more arcuate guides which control the hip and elbow moveme... | 11/12/2002 |
| 6443466 | All-terrain bicycle An all-terrain bicycle is comprised of a bicycle frame having a front and a rear fork to which is removably secured a front and a rear wheel. Each wheel has a circular rim which is interconnected to the hub by spokes. The rear wheel has sprockets secured ... | 09/03/2002 |
| 6364040 | Walking device The present invention provides a walking device adapted to simulate a gait of a legged animal. The walking device includes a frame, a leg, an upper and lower rocking arms, a connecting rod and a crank all of which are axially interconnected together. The ... | 04/02/2002 |
| 6260862 | Walking device The invention provides a walking device which stimulates a gait of a legged animal. The device includes a frame with spaced axial mounts, a leg, axially connected upper and lower rocker arms which limit reciprocating leg motion. The leg is driven by a con... | 07/17/2001 |
| 6039331 | Caterpillar board designed in particular for use on grass slopes The proposed crawler-mounted board (1) is specifically for the purpose of riding over grass or lawn slopes. It features a crawler unit which consists of two slightly concave-curved undercarriage tracks (12), the tracks being connected to one another by fo... | 03/21/2000 |
| 5582114 | Tiltable portable pallet A pallet capable, when supporting a load, of being alternately lifted and transported by a forklift having prongs or manually rolled across a floor. The pallet includes interconnected upper and lower planar members which form a pallet assembly featuring r... | 12/10/1996 |
| 5286044 | Belted multi-purpose trailer A belted multi-purpose trailer vehicle has first and second roller frame assemblies and a main support frame assembly. The roller frame assemblies are connected to the support frame assembly by first, second, and third quick release connecting mechanisms.... | 02/15/1994 |
| 5228528 | Track for tracked motorcycle The invention relates to a track specially designed for vehicles such as motorcycles and bicycles. This track, which is transversely curved, allows the vehicle to move when in an upright position or when tilted sideways. Its main characteristics are that ... | 07/20/1993 |
| 5191951 | Belted undercarriage assembly A belted undercarriage assembly for a vehicle, such as a non-powered towed trailer, includes first and second endless belt assemblies, one positioned on each side of the vehicle, first and second wheel supporting frame assemblies associated respectively w... | 03/09/1993 |
| 4977971 | Hybrid robotic vehicle A hybrid robotic vehicle is provided for use in environments which are hazardous to humans, the vehicle being adapted to carry a payload for use in viewing the area or acquiring other types of sensory data. The hybrid robotic vehicle has a main body and f... | 12/18/1990 |
| 4944353 | Agricultural machine An agricultural machine comprises a self-propelled chassis (1) and an arrangement for displacement of the working member (9) over the field surface, comprising a hermetic chamber (3) with a port (4), a source (2) of a fluid agent pumped into the chamber (... | 07/31/1990 |
| 4932677 | Mobile cooler A mobile cooler having a flexible tank track for moving the cooler over sand or irregular ground surfaces. The track members of the flexible tank track are normally made of rubber and are recessed into the outermost surfaces of the side walls of the insul... | 06/12/1990 |
| 4923257 | Belted vehicle suspension system A suspension system for a non-powered belted vehicle includes a pair of wheel assemblies positioned on each side of the vehicle, a flexible endless belt encircling each pair of wheel assemblies, and an axle assembly extending transverse to the wheel assem... | 05/08/1990 |
| 4689903 | Earth digging machine for use on soft or undulating terrain, particularly for the clearing of ponds, swamps or canals A soft terrain earth digging machine, especially for the clearing and dredging of ponds, swamps or canals, of a type consisting of a bearing structure fitted with a central and lateral stabilizers and equipped with at least one earth digging device such a... | 09/01/1987 |
| 4627630 | Chain link runner assembly A runner assembly consists of a hollow support providing a track, and a chain link belt revolving in the track, the hollow support consisting of a pair of frame members contoured in mirror symmetry, and which are joined together to provide flanges facing ... | 12/09/1986 |
| 4620602 | Track drive converter A track drive converter for two or four wheel driven vehicles is disclosed. The converter has three interworking elements: a track, a wheel disc and a roller assembly. Each set of tires on a vehicle's side is overfitted with one track. Each wheel is fitte... | 11/04/1986 |
| 4537416 | Trailer hitch alignment device A trailer hitch alignment device comprising an upwardly directed generally arcuate cradle with a vertically elongated tubular socket pivotally mounted therein. The socket receives the lower end of a trailer jack shaft. A locking pin selectively locks the ... | 08/27/1985 |
| 4440253 | Crawler-type transport apparatus The invention relates to a transport apparatus having at least one crawler vehicle with means for establishing a supporting air cushion between the chassis of the crawler vehicle and the upper side of the ground-engaging track part of the crawler vehicle,... | 04/03/1984 |
| 4440408 | Recreational sleigh A recreational device for use on snow or grass-covered slopes consisting of a ski having a circular seat mounted thereon with at least one handle, preferably a pair of diametrically opposed handles, projecting radially from said seat or below said seat. A... | 04/03/1984 |
| 4411329 | Vehicle with multi-directional movement capabilities Mobile vehicles, such as lift trucks, are normally mounted on pairs of front and rear wheels for locomotion purposes. The rear wheels are steerable to move the truck into various work positions. However, the turning radius and maneuverability of vehicles ... | 10/25/1983 |
| 4350355 | Wheel means for container handling A wheel mechanism for mounting beneath a container to allow the container to be moved comprises a ground-engaging device such as a wheel or roller assembly swivelably connected to a locking and locating device. The locking and locating device may include ... | 09/21/1982 |
| 4261589 | Suspension system A self-righting rolling suspension system is disclosed which has two ground contact zones and has self-righting stability in perpendicular planes, one of which includes the contact zones and one of which is perpendicular thereto. The system includes rolli... | 04/14/1981 |
| 4248446 | Slopemobile vehicle This vehicle enables a person to safely descend slopes of varying grades, and it consists primarily of a frame, having a forward tube, which is spring-loaded, and pivotally secured to a tractor pod, which grippingly engages the ground surface. It further ... | 02/03/1981 |
| 4247127 | Vehicular suspension system A wheelchair and rolling suspension system are supported by a pair of inclined, nested circular hoops. The hoops may be manually driven by lever arms accessable to the chair occupant. Moreover, the drive system permits the chair to negotiate straight line... | 01/27/1981 |
| 4218070 | Unpowered support vehicle A belted-track vehicle, unpowered and attached to a cantilevered apparatus to support the apparatus clear of the ground and adapted to be driven by the apparatus.... | 08/19/1980 |
| 4092031 | Tracked support for a cabinet A tracked support having a large load-bearing area is provided for movably supporting a cabinet. The support comprises an elongated horizontal carrier mounted to the cabinet and a continuous flexible track is formed into an encircling band and rotatably m... | 05/30/1978 |
| 4072203 | Small, personal, all terrain vehicle A small, personal, all terrain vehicle is disclosed of the articulated, multi-unit type. A first and second unit, having track members pivotably mounted thereto, are also pivotably and rotatably interconnected to each other. A motor is provided in the sec... | 02/07/1978 |
| 3995909 | Vehicle anti-skid mechanisms A vehicle anti-skid mechanism is a wheel attachment and fits on the outside of a vehicle wheel. The mechanism includes a central portion having an inner pair of plates between an outer pair of plates and tread members pivoted to each pair of plates. Turni... | 12/07/1976 |
| 3971597 | All terrain vehicle A hollow body including spaced apart side walls, with a plurality of longitudinally spaced, laterally extending wall-support members surmounting a plurality of laterally spaced longitudinally extending floor reinforcement members. A track structure includ... | 07/27/1976 |
