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Class Information
Number: 188/72.4
Name: Brakes > Wheel > Axially movable brake element or housing therefor > With means for actuating brake element > By fluid pressure piston
Description: Apparatus wherein said component-pressing means includes a movable disc or cylinder fitted closely within a hollow tube or cylinder and moved by a force applied via a liquid or gaseous medium.










Sub-classes under this class:

Class Number Class Name Patents
188/72.6 And/or mechanical linkage 158
188/72.5 Piston for each of plural elements 101


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8689947 Disc brake device Apr. 8, 2014
8662259 Force-multiplier brake Mar. 4, 2014
8651254 Apparatus for a disk brake Feb. 18, 2014
8646583 Dust boot Feb. 11, 2014
8631912 Brake caliper Jan. 21, 2014
8616349 Disc brake Dec. 31, 2013
8596425 Brake structure of rotary table Dec. 3, 2013
8596426 Electric linear motion actuator and electric brake assembly Dec. 3, 2013
8567574 Brake caliper Oct. 29, 2013
8561762 Brake piston with steel core and phenolic outer layer Oct. 22, 2013
8550218 Remote control for braking system of progressive cavity pump Oct. 8, 2013
8464849 Disk brake Jun. 18, 2013
8463506 Rear wheel toe angle control system Jun. 11, 2013
8448754 Disc brake May. 28, 2013
8448755 Disk brake May. 28, 2013
8443946 Vehicle disc brake device May. 21, 2013
8408366 Disk brake Apr. 2, 2013
8380412 Control devices for a booster brake system of a vehicle and method for operating a booster brake system of a vehicle Feb. 19, 2013
8376101 Piston roll back device Feb. 19, 2013
8371422 Torque plate for a brake assembly Feb. 12, 2013
8360215 Two-stage slave cylinder Jan. 29, 2013
8348030 Piston with improved displacement properties Jan. 8, 2013
8342615 Braking system for motor vehicles Jan. 1, 2013
8281905 Caliper disc brake Oct. 9, 2012
8261889 Opposed-piston disc brake Sep. 11, 2012
8205724 Disc brake device Jun. 26, 2012
8167090 Apparatus for safely lowering user from structure May. 1, 2012
8162111 Brake caliper with reduced brake squeal Apr. 24, 2012
8151946 Rotor brake for a rotary-wing aircraft Apr. 10, 2012
8132612 Brake caliper for disc brake assembly and method and apparatus for producing same Mar. 13, 2012
8127897 Caliper brake system Mar. 6, 2012
8091689 Automatic parking brake Jan. 10, 2012
8061488 Clamping or braking device Nov. 22, 2011
7980366 Hydraulically actuated multi-piston disc brake Jul. 19, 2011
7971689 Hydraulic caliper brake assembly for a bicycle Jul. 5, 2011
7958799 Brake for gear cone transmission Jun. 14, 2011
7950504 Disk brake May. 31, 2011
7882940 Piston for brake calipers, and brake caliper comprising said piston Feb. 8, 2011
7866763 Automatic parking brake device Jan. 11, 2011
7849980 Disk braking device and motorcycle provided with the disk braking device Dec. 14, 2010
7798293 Table clamp device Sep. 21, 2010
7757822 Disc brake caliper Jul. 20, 2010
7721434 Methods and apparatus for replacing objects on horizontal shafts in elevated locations May. 25, 2010
7669699 Brake caliper Mar. 2, 2010
7628252 Drum brake apparatuses Dec. 8, 2009
7597178 Caliper brake Oct. 6, 2009
7584693 Bottomed cylindrical piston and method of manufacturing bottomed cylindrical piston Sep. 8, 2009
7559413 Automatic parking brake Jul. 14, 2009
7481303 Multi-pot type disc brakes Jan. 27, 2009
7455152 Disc brake caliper Nov. 25, 2008

1 2 3 4 5 6 7










 
 
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