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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 |
| 7934572 | People moving vehicle with reduced turn radius having omni-directional cab A vehicle with a omni-directional cab having a circular frame revolvably coupled to a chassis having an axle, wheels and passenger seats. Two independent drive wheels located on an axis through the center of the cab are mounted at the same distance from a central ve... | 05/03/2011 |
| 7694758 | People moving vehicle with reduced turn radius having omni-directional cab A vehicle with a omni-directional cab having a circular frame revolvably coupled to a chassis having an axle, wheels and passenger seats. Two independent drive wheels located on an axis through the center of the cab are mounted at the same distance from a central ve... | 04/13/2010 |
| 7588104 | Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft receiving power from the prime mover, a pair of first axles, and a h... | 09/15/2009 |
| 7117962 | Articulated forklift truck An articulated forklift truck for use in narrow aisles comprises a front chassis section (10) having a first pair of ground-engaging wheels (20) and a rear chassis section (12) having a second pair of ground-engaging wheels (22). The fron... | 10/10/2006 |
| 6948576 | Driving and transmission unit for use in rolling vehicles A driving unit for use with a rolling vehicle is provided containing a first and second motor mechanically coupled to two wheels via a transmission unit which is pivotable about the steering axis of the driving unit and adapted to establish a driving relationship be... | 09/27/2005 |
| 6935445 | Back-up steering system for track laying vehicles A back-up steering system is provided having a hydraulic pump, an accumulator, a mode control valve, a main solenoid valve, and a pair of back-up solenoid valves. The system is connected, to left and right service brakes. The hydraulic pump and the accumulator are b... | 08/30/2005 |
| 6283237 | Method and apparatus for steering articulated machines using variable speed devices A steering system for turning a machine has a plurality of wheels that include a first and second wheel that share a first axis of rotation. The plurality of wheels also includes at least one tether wheel that has a second axis of rotation and may be pivo... | 09/04/2001 |
| 6119061 | Method and apparatus for controlling an electro-hydraulic differential steering system A device for controlling an electro-hydraulic differential steering system of a work machine. A first processing device receives a first signal indicative of a desired steering path, a second signal indicative of a ground speed, a third signal indicative ... | 09/12/2000 |
| 6039133 | Steering control system for an articulating work machine having a steering fluid cylinder and a fluid-powered differential An articulating work machine, such as a scraper, wheel loader, or truck, is disclosed. The articulating work machine includes a fluid-powered differential and a pair of fluid-powered steering cylinders. The fluid-powered differential and the steering cyli... | 03/21/2000 |
| 4470475 | Hydrostatic drive and steering system for an articulated vehicle A hydrostatic all wheel drive system for an articulated vehicle, which system due to its special arrangement is also able to steer the vehicle. The hydraulic system includes two powered hydraulic pumps variable as to their output capacity and flow directi... | 09/11/1984 |
| 3998289 | Brake system for an articulated vehicle A brake system for an articulated vehicle having two portions pivoted together and with each portion including ground-supporting wheels such that there are two right-side wheels and two left-side wheels on the vehicle. Steering mechanism controls the arti... | 12/21/1976 |
