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A method of launching foodstuffs into a crowd for promotional and entertainment purposes.
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| Number | Title | Issue Date |
| 7164100 | High-frequency de-icing of cableways High-frequency AC voltage with a frequency in a range of from 60 to 100 kHz supplied from a power source at 3 to 15 kV is applied to an electrical conductor within about 30 cm of a cableway. The high-frequency AC voltage generates an alternating electric field. Capa... | 01/16/2007 |
| 7038125 | Low-frequency de-icing of cableways Low-frequency AC power in a range of about from 50 to 200 Hz flows through a cableway, providing 5 to 100 watts per meter of cableway. Through separate connections to a power bus, a cableway is electrically divided into branches of a parallel circuit that use low vo... | 05/02/2006 |
| 5456962 | Ice guard for grooved trolley wire An ice guard for a grooved trolley wire including a canopy supported on the wire by support members which extend inwardly from the canopy and are frictionally fit in the grooves of the trolley wire.... | 10/10/1995 |
| 4212378 | Device for de-icing power cables A device for de-icing power cables consisting of one or more wheeled dollies mounted for rolling movement along a cable, being movable along the cable by "loping" of the cable in wind when ice has formed on the cable, and having scrapers thereon capable o... | 07/15/1980 |
| 4101014 | Apparatus for removing ice and sleet from a third rail of an electrified railway vehicle Electrically nonconductive rotary cleaner elements supported for movement into and out of contact with a third rail of an electrified railway vehicle includes sets of cleaner elements arranged in tandem along one side of an adjustable carriage. The carria... | 07/18/1978 |
