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Class Information
Number: 188/270
Name: Brakes > Internal-resistance motion retarder > Operating against ambient atmosphere
Description: Device wherein the medium comprises air that surrounds the mechanism and flows relative thereto, and wherein the first member extends into or causes the flow of air.

Patents under this class:

Patent Number Title Of Patent Date Issued
8256587 Shock absorber Sep. 4, 2012
8246019 Air spring for vehicle closure Aug. 21, 2012
8061483 Windage braking Nov. 22, 2011
7806390 Spring system, in particular for bicycles Oct. 5, 2010
6609597 Dampening apparatus Aug. 26, 2003
5454619 Aerodynamically responsive vehicular safety spoiler system Oct. 3, 1995
5374098 Aerodynamic stabilizer for use with a motor vehicle Dec. 20, 1994
5222438 Aerodynamic fairing/brake for high-speed trains Jun. 29, 1993
5085101 Apparatus for exerting a braking torque upon a rotating shaft Feb. 4, 1992
4611796 Aerodynamic retarder Sep. 16, 1986
4469196 Fire escape device Sep. 4, 1984
4273333 Gear train governors in spinning reel games Jun. 16, 1981
4264033 Shut-off plate for combustion spaces adjustable by motor Apr. 28, 1981
4216694 Solenoid dashpot pedal actuator assemblies Aug. 12, 1980
4162053 Brake device for rotating body Jul. 24, 1979
4160494 Fluid-dynamic emergency brakes Jul. 10, 1979
4029298 Escape device Jun. 14, 1977

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