Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 6755600 | Cargo bar A cargo bar having reduced costs due in part to being constructed from square tubes and due to being collapsible to a length that fits a 4 foot pallet so as to facilitate shipping and storage. Pressure induced extension of the cargo bar against opposed truck walls i... | 06/29/2004 |
| 6711877 | Food product handling machine A pocket conveyor for use in food processing in which the pockets move independently from each other. Each pocket contains a portion of food which is conveyed from one processing machine to another in the course of food production. Independent movement of the pocket... | 03/30/2004 |
| 6681749 | Vapor fueled engine A vapor fuel producing system for optimizing fuel efficiency including a vapor producing chamber, a controlled level of liquid fuel maintained in the chamber, agitation of the fuel to convert the liquid fuel to vapor, a temperature control for the fuel an... | 01/27/2004 |
| 6675569 | Mower blade A blade for mounting to a rotary mower. The blade has a beveled cutting leading edge and a trailing edge. The mower has a deck providing an over cover for the blade. The trailing edge of the blade is provided with an upwardly directed ramp at the outermos... | 01/13/2004 |
| 6655335 | Small engine for power tools A small engine for outdoor power equipment wherein fuel is pumped to the engine's combustion chamber by a reciprocating piston. A desired rate of reciprocation is determined with the engine under load, e.g., with a grass trimmer cutting grass. Avoidance o... | 12/02/2003 |
| 6643933 | Guide bar for chain saw including stump treatment A guide bar for a chain saw of a tree harvester adapted for applying treatment material to the stump upon severing a tree. The guide bar, typically a laminated bar includes an inner channel in the inner laminate that connects to a series of dispersal hole... | 11/11/2003 |
| 6634222 | System for removing vehicles having unsafe tires from public roadways A four step process for removing vehicles from the public roadways having worn tires including (a) establishing a standard for end of life tire conditions, (b) converting the standard to relate correspondingly to tread wear, (c) providing a visual indicat... | 10/21/2003 |
| 6629608 | Shipping protector A corner protecting device of vacuum molded paper fiber wherein the device is molded onto a porous mold form, the mold form having valleys about twice the width of the material thickness when molded causing the material at the two sides of the valleys to ... | 10/07/2003 |
| 6619171 | Guide bar for tree harvesting including stump treatment A guide bar having fluid conveying channels at the opposed sides. The channel on one side provided by the manufacturer with holes or orifices for dispensing treatment fluid from the channels onto a stump being sawn. The other side provided with markings t... | 09/16/2003 |
| 6612210 | Shape sawing machine A shape sawing system for sawing lumber pieces from a curved cant. The cant is scanned by scanners and the scan data is input to a computer. The computer determines a curved path for the saw to follow in sawing the cant into lumber pieces. The saw is late... | 09/02/2003 |
| 6591588 | Crop material bagger having convertible tunnel A bag filling machine having a tunnel and a bag fitted to the tunnel for transferring material compacted in the tunnel and in the compacted state, into the bag. The tunnel is composed of a bottom portion and alternating top portions that are alternatively... | 07/15/2003 |
| 6591882 | Traction device for vehicle tires A tire chain for adding traction to a vehicle tire riding on snow and/or ice. The tire chain includes side members encircling the sides of the tires and cross members that extend across the tread from side member to side member. Securement devices secure ... | 07/15/2003 |
| 6571636 | Wheel-type transmit/receive ultrasonic inspection device with constant length internal liquid soundpath A wheel-type inspection device includes within the wheel structure a sensor head. The sensor head carries both ultrasonic transducers and a surface tracking structure maintained at fixed distance relative to the transducers. In operation, the surface trac... | 06/03/2003 |
| 6570501 | Hand gun case A hand gun case body that is fully enclosed except for a door opening including a hinged door that latches to the case to close the opening. A slide inside the case body slides into and out of a door opening and carries a hand gun that is accordingly tran... | 05/27/2003 |
| 6557660 | Hub lock for two-wheel/four-wheel drive vehicle An assembly for converting a vehicle between two-wheel and four-wheel drive. The assembly includes a bell form of a constant velocity joint being supported by a bearing mounted to one of the vehicle knuckle and the wheel hub. The bell form further include... | 05/06/2003 |
| 6543604 | Blank for plywood A system for producing blanks for finish plywood which includes development of a recipe of selected veneer sheets, automatically and rapidly, e.g., via linear actuator, arranging the selected veneer sheets for sequential stacking and bonding of the sheets... | 04/08/2003 |
| 6516590 | Bagging machine having feed control A system for compacting organic material such as silage and inserting compacted material into an elongate plastic bag. A feed table delivers material to a rotor that propels and compacts material into an inlet of a tunnel. A proportional valve controlling... | 02/11/2003 |
| 6460671 | Vehicle drive clutch control A clutch control for shifting a vehicle drive system as between automatic four-wheel drive, locked four-wheel drive and two-wheel drive. An engagement system for engaging drive and driven components of the drive system may include roller clutch engagement... | 10/08/2002 |
| 6435070 | Automatically sharpenable saw chain A saw chain formed in part from planar cutting link blanks including a cutter portion having a top edge surface and a side surface that intersect to form a line edge. A leading portion of the cutting link blank is twisted out of the plane of the blank so ... | 08/20/2002 |
| 6431345 | High speed board feeder A high speed board feeder for transferring boards from an infeed conveyor onto a secondary conveyor. The boards on the infeed conveyor are transported in an edge to edge configuration against a fixed stop. Hold down mechanism is provided to secure the boa... | 08/13/2002 |
| 6422369 | Vehicle wheel end clutch This invention is directed to a wheel end assembly for engaging and disengaging the wheel end of a vehicle that is convertible between four-wheel and two-wheel drive. The invention is further directed to clutch ring engagement at the inboard end of a whee... | 07/23/2002 |
| 6413126 | Steering mechanism for jet boat A jet boat having remote steering to enable pivotal side-to-side steering of a steering nozzle from a pilot seat. A primary coupling between the steering wheel and the steering nozzle. A first pivot arm pivoted by the side-to-side steering of the steering... | 07/02/2002 |
| 6402651 | Emergency drive belt An emergency belt for use on a motor drive unit that does not require tools for installation. A buckle on one end of the belt has an opening through which the opposite end of the belt is inserted. The buckle has a latching mechanism that engage notches fo... | 06/11/2002 |
| 6397452 | Guide bar including stump treatment A guide bar for the treatment of tree stumps. A channel formed in the bar length is fitted with a soft metal tube. The tube is pierced with a piercing tool that produces hole forms leaving a center opening inset toward the tube center with flared sides th... | 06/04/2002 |
| 6390644 | Lamp display system A table lamp display system secures a lamp on a tilted shelf or block for display purposes. A coupler is attached to the stub end of a center tube of the lamp. A hollow tube extension of suitable length is inserted through a slot of the shelf or block and... | 05/21/2002 |
| 6386252 | Traction device for vehicle wheels A traction device for vehicle wheels comprises an expandable and contractible member (10) mounted next to a wheel (70) or in between dual wheels (12, 14). In another embodiment the device comprises an air chamber (106, 134) formed in the tread of the tire... | 05/14/2002 |
| 6386375 | Lubrication system for vibrating flat screens A vibrating screen supported by springs and vibrated via rotating gear sets. The gears are provided with off center weights synchronized to produce angularly directed vibration for moving the material from end to end on the screen. The gears are lubricate... | 05/14/2002 |
| 6383090 | Golf clubs A golf club that has a reinforcement wall within the body of the club in close proximity behind the striking face.... | 05/07/2002 |
| 6374716 | High speed harvester cutting chain A high speed harvester cutting chain has increased cutter height to provide an increased space for removal of the cut material from the saw kerf. The increased height of the cutter links eliminates the compacting of the material cut away by the cutter lin... | 04/23/2002 |
| 6371268 | Retention mechanism for vehicle wheel assembly A wheel end assembly including a live spindle secured to a wheel hub at an outboard end. A bearing surrounding the spindle and abutted against a shoulder on the spindle. Said bearing preloaded by a retention structure that slidably engages the bearing to ... | 04/16/2002 |
| 6339972 | Motorcycle foot peg A foot pedal for a cycle has adjustable components on its surface to alter the engagement of the pedal with the boot of a rider of the cycle. Pegs are threadably installed in bores in the pedal and are adjustable upwardly and downwardly to provide a varia... | 01/22/2002 |
| 6334832 | Control for vehicle differential A control for a differential for controlling the relative rotation of a pair of axles extended from the differential to a front or rear pair of wheels. An indicator shaft is coupled to the axles, e.g., through a planetary gear arrangement (the indicator s... | 01/01/2002 |
| 6334269 | Winch actuator for ATV An actuator for raising and lowering a blade mounted to a vehicle. A winch assembly is mounted to the blade and is powered by the vehicle battery. The motor has a low amperage draw and has a gear reduction unit to provide mechanical advantage. The cable e... | 01/01/2002 |
| 6328552 | Injection molding machine and method A generic mold base for an injection molding machine to permit the production of multiple parts from the same mold base. The mold base has mold insert receiving sections in which the mold insert sections are removably mounted. The mold insert sections are... | 12/11/2001 |
| 6308789 | Drill bit for directional drilling A drill bit that is arranged to change the direction of drilling. A cone head is rotatably mounted on a shank portion extending from an elongate housing. When the housing is rotated, the cone head generates a concave hole. When a change in direction is re... | 10/30/2001 |
| 6290271 | Vehicle brush and grill guard A vehicle having a brush and grill guard fabricated to blend with the contour of the vehicle so that the design features of the vehicle are not compromised. Frame extensions are mounted to the frame and support a pair of vertical support plates. A winch c... | 09/18/2001 |
| 6290150 | Bark dust unloading system A bark dust unloading system has a mechanism for moving material in a container to an opening at the rear of the container. An auger assembly in combination with rotating rake assemblies move the material from the sides of the container to the opening. A ... | 09/18/2001 |
| 6284094 | Method for recycling bale of recycling paper A paper cord is formed using wet lap paper of about 8" to 11" in width which is twisted into a cord form of about 1/4" to 3/8" diameter. The cord is used to bind bales of compressed used paper having a volume of about 100 cubic feet and a weight of about ... | 09/04/2001 |
| 6282816 | Insole for footwear An insole for a shoe or boot produced by molding together a stiff outer plastic shell, a dual foam inner layer of rubber-like material and a fabric upper layer engaged by the foot. A more dense foam is provided for the inner layer at the arch of the foot.... | 09/04/2001 |
| 6280066 | Lamp display system A table lamp display system secures a lamp on a tilted shelf or block for display purposes. A coupler is attached to the stub end of a center tube of the lamp. A hollow tube extension of suitable length is inserted through a slot of the shelf or block and... | 08/28/2001 |
