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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 |
| 6637554 | Rail brake element A rail brake element, in particular in connection with rail brake buffer blocks, comprising a pair of clamping plates C-shaped in cross section and having upper and lower leg portions, the clamping plates engaging a rail head on opposite sides, at least o... | 10/28/2003 |
| 6240852 | Highway-vehicle system with improved braking, enhanced stability and provisions for electric power take-off A highway-vehicle system for high speed travel which comprises a below-ground structure defining a cavity and a narrow slot extending upwardly therefrom to the roadway surface. Each vehicle in the system is equipped with a projecting member which, in its ... | 06/05/2001 |
| 6237726 | Rail brake element The invention relates to a rail brake element, in particular for use in rail brake buffer blocks, comprising a pair of clamping plates extending about a rail head from each side and supported against its top surface, which clamping plates are clamped agai... | 05/29/2001 |
| 6227336 | Linear guide A linear guide having a carrier body that can be moved along a guide track is provided having a brake device with brake shoes acting upon the guide track and a piston which is located in a pressure chamber which can be displaced by a pressure medium in th... | 05/08/2001 |
| 6152042 | Railcar retarder assembly A railcar retarder assembly for use in a railroad trackwork such as a railcar classification yard is provided with a fixed base plate, a vertically-oriented pivot shaft secured to the base plate, an elongated and curved cam member mounted on the pivot sha... | 11/28/2000 |
| 5865122 | Apparatus for attaching buffer stop to railroad track A shoe or clamp assembly for securing a buffer stop or bumping post to railroad track with a predetermined magnitude of retardation against sliding movement of the buffer stop when the same is engaged by a moving railcar to be stopped. The shoe assembly w... | 02/02/1999 |
| 5836252 | Rail brake element The invention relates to a rail brake element, in particular for use in rail brake buffer blocks, comprising a pair of clamping plates extending about a rail head from each side and supported against its top surface, which clamping plates are clamped agai... | 11/17/1998 |
| 5211266 | Rail skate An improved rail skate intended for mounting on the top of a rail, including an upwardly inclined ramp portion and an entry or toe portion whereby a wheel of an approaching railcar will roll up on top of the entry or toe portion and engage the ramp thereb... | 05/18/1993 |
| 5209165 | Buffer stop In a friction buffer stop, each side wall of the buffer structure has at its lowermost edge mutually spaced slots extending parallel to the adjacent rail, each slot being directly opposite to and of the same length as a slot in the other side wall. Pairs ... | 05/11/1993 |
| 4785739 | Tracked transportation system comprising emergency car braking system In a tracked transportation system independent cars are drawn along by a common cable. A car comprises a rolling chassis with a cabin suspended above the chassis by a set of chains. The chains are coupled to a shaft forming apparatus for weighing the cabi... | 11/22/1988 |
| 4721044 | Rail car skid insertion device A rail car skid insertion device for remotely inserting a skid onto a rail head of a rail spur to impede movement of a rail car is disclosed. The device includes a skid removably attached to a carrier arm mounted on a slide bar. The skid is attached to th... | 01/26/1988 |
| 4535701 | Device for slowing down and stopping machines rolling on rails The device comprises a body (1) for placing on a rail (R) for the purpose of receiving a wheel of a machine to be slowed down and stopped and forming an abutment for the wheel, and an arrangement for connecting the device to the rail. The connecting arran... | 08/20/1985 |
| 4498561 | Retractable wheel chock for railway wagons A retractable wheel chock assembly for railway wagons comprises the combination of a wheel chock (12) designed to act on the flange of a wagon wheel, and a friction brake (36) attached to the wheel chock and sliding along a guide rail (3) mounted just out... | 02/12/1985 |
| 4168664 | Braking buffer device for buffer stop assemblies A braking device for buffer stop assemblies comprises a buffer rail which is displaceably guided on a buffer stop construction, there being provided at least one friction element and bolts for clamping the friction element in braking frictional engagement... | 09/25/1979 |
| 4062295 | Emergency slipper for high-speed vehicles An emergency slipper of the type usually spaced above a track but which comes into sliding engagement with the track in an emergency. The slipper comprises slide blocks having bottom surfaces which slide easily along the track, and scraper means for scrap... | 12/13/1977 |
