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Class Information
Number: 180/7.4
Name: Motor vehicles > Special driving device > Propeller type
Description: Motor vehicle wherein the special driving device is a rotary fluid reaction type impeller.

Patents under this class:

Patent Number Title Of Patent Date Issued
7546190 Adaptive dead-zone compensation for steering systems Jun. 9, 2009
7267530 Windmill apparatuses and methods of mounting blades to enhance their performance Sep. 11, 2007
5222569 Propulsion means Jun. 29, 1993
4657207 Kit for converting a motorcycle to an airborne vehicle Apr. 14, 1987
4505346 Rolling vehicle Mar. 19, 1985
4460055 System to increase vehicle fuel efficiency Jul. 17, 1984
4419085 Amphibious vehicle Dec. 6, 1983
4327808 Aerodynamic propeller-driven land vehicle May. 4, 1982
4276950 Power assisted pedicycle Jul. 7, 1981
4260036 Powered ski Apr. 7, 1981
4230198 Fluid-stream driven ground vehicle Oct. 28, 1980
4189019 Propulsion support unit Feb. 19, 1980
4059168 Runner attachment for bicycles with a reaction thrust device Nov. 22, 1977

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