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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 6664688 | Rotor for a motor To provide a rotor for a motor capable of effecting improved torque variation due to improvement in the induced voltage waveform and of effecting improved magnet torque in a permanent magnet type synchronous motor utilizing reluctance torque. A rotor 11 c... | 12/16/2003 |
| 6622671 | Engine exhaust control A snowmobile is powered by an internal combustion engine. The engine has an exhaust timing control valve, a control unit and a generator. The control unit determines the positioning of the control valve as a function of engine speed. Additionally, the con... | 09/23/2003 |
| 6622806 | Air inlet for ATV An all terrain vehicle has a frame assembly. A pair of front wheels and a pair of rear wheels support the frame assembly. A front fender assembly extends over at least a portion of the front wheels. An engine is disposed between the front wheels and the r... | 09/23/2003 |
| 6240866 | Anti-vibration structure for watercraft with straddle type bench seat A watercraft includes a plastic hull and a plastic deck which are joined together in a vertical direction. An upwardly extending portion on a part of the deck defines a seat platform at its top side. A straddle type seat for a rider is installed upon the ... | 06/05/2001 |
| 6237710 | Locking arrangement for motorcycle A motorcycle includes an integrated locking system. The locking system actuates a seat lock from the main switch as well as a handlebar or steering lock. The steering lock is structured such that an overlap of components results in a locking pin passage t... | 05/29/2001 |
| 5852994 | Induction control system for multi-valve engine A number of embodiments of induction systems for multiple valve internal combustion engines wherein the performance of the engine is improved throughout the engine speed and load ranges by providing variable effective areas for the induction passages. The... | 12/29/1998 |
| 4838022 | Control system for controlling DC control motor which controls operation condition of internal combustion engine A control system for controlling a DC control motor which controls an internal combustion engine to follow-up a target value varying continuously depending on the operation condition of the engine, the current flowing through the DC control motor being co... | 06/13/1989 |
| 4827802 | Automatic step transmission for small vehicles An apparatus for automatically operating the transmission of a small internal combustion engine includes an elongate actuator rod pivotally attached at one end to a pivotally mounted gear shift lever. The other end of the rod is contained in a housing, an... | 05/09/1989 |
| 4754859 | One-way clutch and application therefor A number of embodiments of one-way clutches and applications therefor. In all embodiments, the one-way clutch is comprised of an outer member that is formed from a first portion that defines caging recesses for receiving the wedging members of the clutch ... | 07/05/1988 |
| 4754833 | Cooling chain drive for a motorcycle having balloon tire A suspension and drive arrangement for an off the road motorcycle having a balloon tired rear wheel. The rear wheel is suspended for movement relative to the frame by a Y-shape trailing arm and a pair of vertically extending suspension elements are interp... | 07/05/1988 |
| 4738326 | Off the road vehicle Several embodiments of off the road vehicles of the type suspended on balloon tires and embodying a motorcycle-type power unit having an internal combustion engine and a crankcase contained change speed transmission. In each embodiment, an auxiliary trans... | 04/19/1988 |
| 4737070 | Water powered device A number of embodiments of water powered devices that are adapted to be positioned in a stream of moving water and which carry water wheels for driving a driven device. The driven device may comprise a generator and a number of embodiments are illustrated... | 04/12/1988 |
| 4736809 | Vehicular internal combustion engine with subsidiary transmission An off the road vehicle embodying an improved power unit having a compact transmission assembly comprising a main transmission and an auxiliary transmission. The transmissions are separated by a common partition wall of a major casting of the engine and t... | 04/12/1988 |
| 4735105 | Transmission and drive arrangement for vehicle An improved driving arrangement for a four wheel off the road vehicle having a combined engine and transmission with the engine output shaft and transmission primary and secondary shafts extending transversely relative to the longitudinal axis of the vehi... | 04/05/1988 |
| 4735299 | One-way clutch and improved spring therefor Several embodiments of one-way clutches employing an improved, light weight and easily formed construction. In each embodiment, the one-way clutch is comprised of an outer member that defines recesses that receive wedging members and an inner member. The ... | 04/05/1988 |
| 4727834 | Vertical engine for walk behind lawn mower A lawn mower or other similar walk behind type of implement that is designed to be operated in a normally erect position and which is tilted to its side for servicing. An engine is provided for the lawn mower having an output shaft rotatable about a verti... | 03/01/1988 |
| 4727829 | Intake system for internal combustion engine Several embodiments of induction systems for an internal combustion engine wherein each cylinder is served by a pair of intake passages having significantly different lengths for tuning them for different engine running requirements. A throttle valve arra... | 03/01/1988 |
| 4726331 | Means for variable valve timing for engine Several embodiments of variable valve timing arrangements for double overhead camshaft engines having cylinder banks disposed at an angle to each other. In each embodiment, the variable timing is achieved by means of a pair of idler sprockets that are dis... | 02/23/1988 |
| 4726328 | Induction system for vehicle powered by an air propeller A vehicle driven by an air propeller which is, in turn, powered by an internal combustion engine. An improved induction system is provided wherein both the carburetor fuel bowl vent and the air intake of the engine are protected from pressure differences ... | 02/23/1988 |
| 4719984 | Drive and braking system for vehicle An improved drive and braking arrangement for an off the road single rider multi-wheeled vehicle. The drive arrangement includes a shaft drive and the brake includes a brake disk that is fixed for rotation with the drive shaft. The brake disk is contained... | 01/19/1988 |
| 4715333 | Valve timing control means for engine A camshaft drive arrangement for an internal combustion engine including an improved arrangement for adjusting the valve timing during running of the engine. The timing is adjusted by means of a pair of pulleys that are engaged with opposite flights of a ... | 12/29/1987 |
| 4714061 | Inline multiple cylinder engine for motorcycles A motorcycle having an improved engine construction wherein the combined crankcase transmission assembly of the power plant is formed from upper and lower members that have mating faces that lie in a plane that is disposed at a downwardly extending angle ... | 12/22/1987 |
| 4700444 | Method for making a composite engine cylinder block with preformed liner A method and apparatus for making engine cylinders comprising the steps of punching cylindrical tubes with openings from the inside to the outside and then surrounding the thus formed tubes with a different body of material. In accordance with the method,... | 10/20/1987 |
| 4593657 | Camshaft bearing arrangement An internal combustion engine of the multiple valve type embodying an improved supporting arrangement for a camshaft that directly operates one valve and indirectly operates a pair of valves. The camshaft is provided with bearing surfaces on opposite side... | 06/10/1986 |
| 4592311 | Intake system for two-cycle multi-cylinder engines A motorcycle having a V4 crankcase compression, two-cycle internal combustion engine having an improved, compact induction system. The induction system for the cylinders of one bank discharges directly into the crankcases of those cylinders and is fed wit... | 06/03/1986 |
| 4592314 | Valve actuating mechanism for internal combustion engine An improved lubricating and valve actuating system for an internal combustion engine having plural valves per combustion chamber. Two valves are operated by the same camshaft, one directly and the other through a rocker arm. A lubricating system is provid... | 06/03/1986 |
| 4587937 | Automatic speed control system for motorcycles An automatic speed control mechanism for a motorcycle embodying an actuator device for automatically positioning the throttle of the engine. The automatic device is able to generate sufficient force so as to overcome the normal closing bias of the throttl... | 05/13/1986 |
| 4588200 | Braking arrangement for wheeled vehicle A four wheel off the road vehicle having a pair of dirigibly supported front wheels each carrying a respective brake. The front wheels are steered by a centrally journaled steering shaft that carries a handlebar at its upper end with a brake actuator. A b... | 05/13/1986 |
| 4584975 | Oil drain arrangement for internal combustion engine An internal combustion engine having an improved cylinder head draining arrangement for accumulating oil that may leak from the cylinder head and its cover in use or which may flow from the cylinder head when the cover is removed for surfacing. The drain ... | 04/29/1986 |
| 4585277 | Wire wheel with spokes having crank shaped section A wire wheel construction consisting of a rim, a hub having a pair of spaced flanges and pairs of spokes that are fixed at their opposite ends to the rim and at an intermediate portion to a respective flange of the hub. The arrangement is such that the en... | 04/29/1986 |
| 4582157 | Suspension and drive arrangement for three wheel vehicle Several embodiments of improved three wheel vehicles particularly adapted for off the road use. In each embodiment, the rear wheels are suspended by a suspension system that includes a suspension element that has its line of action is disposed at a relati... | 04/15/1986 |
| 4580537 | Automatic speed control system for motorcycles Two embodiments of automatic speed control devices for motorcycles that permits release of the device from automatic mode in response to throttle closing movement of the accelerator grip. In one embodiment, the release is effective by permitting a protect... | 04/08/1986 |
| 4577712 | Off-the road vehicle for recreational and work applications An off-the-road recreational vehicle is described which has at least one steerable front wheel, two driving rear wheels, an engine unit mounted in the vicinity of the center of the vehicle frame for transmitting power from the engine's shaft to the rear d... | 03/25/1986 |
| 4576131 | Intake control system for multi-valve type internal combustion engine Several embodiments of induction systems for internal combustion engines embodying pairs of intake passages each serving a single cylinder of the engine. In accordance with each embodiment of the invention, a device is provided for restricting the communi... | 03/18/1986 |
| 4550700 | Intake system for multi-intake valve type engine Several embodiments of induction systems for internal combustion engines that achieve high power outputs without sacrificing low and medium speed running characteristics or without adverse transitional effects. Each embodiment employs a pair of intake val... | 11/05/1985 |
| 4546842 | Slide rail track drive system for a snowmobile A snowmobile track drive system wherein the track drive sprockets and idler wheels are mounted to a hollow framed enclosure interior to the track. Slide rails are also mounted to the edges of the enclosure and about which the endless track revolves. The h... | 10/15/1985 |
| 4542910 | Motorcycle suspension system Two embodiments of motorcycle suspension systems that are particularly adapted for use with the steered front wheel. Each embodiment achieves a non-linear suspension rate through the use of a linkage system for loading the suspension element upon relative... | 09/24/1985 |
| 4531606 | Air cleaner for three wheel vehicle A three wheel off the road vehicle having a configuration that facilitates servicing of the air filter element. The air cleaner housing is positioned at the rear of the vehicle between the rear wheels and with a portion in an open area for direct access. ... | 07/30/1985 |
| 4527831 | Motorcycle A seat arrangement for a motorcycle in which the passenger seat is adjustable relative to the driver's seat so as to increase the view of a passenger.... | 07/09/1985 |
| 4522282 | Exhaust system for motorcycle An exhaust system for a motorcycle having a V type engine with forwardly and rearwardly facing banks of cylinders. The exhaust system includes relatively short exhaust pipes that are affixed to the rear bank of cylinders and connecting pipes that are deta... | 06/11/1985 |
