ClassID:

148896

F16D2121/28 - CPC Classification

Classification description:

Type of actuator operation force; Electric or magnetic using electrostrictive or magnetostrictive elements, e.g. piezoelectric elements

Sub-classes:
Recent Application in this class:
#1
20250033909
2025-01-30

VARIABLE BRAKING SYSTEMS AND DEVICES

#2
20220364620
2022-11-17

Residual braking torque indication devices, systems, and methods

#3
20220097985
2022-03-31

Variable braking systems and devices

#4
20220089134
2022-03-24

Disc brake apparatus using generator-combined motor means

#5
20210318197
2021-10-14

Braking device positionable on test benches of correct operation of industrial screwdrivers

#6
20200326746
2020-10-15

Input device

#7
20200248766
2020-08-06

Piezoelectric braking device

#8
20200096069
2020-03-26

Transmission clutch assembly

#9
20200088256
2020-03-19

Residual braking torque indication devices, systems, and methods

#10
20190286184
2019-09-19

Operation device

#11
20190084543
2019-03-21

Hybrid brake-by-wire system using a motor-magnetostrictive actuator combination

#12
20190072143
2019-03-07

Method for manufacturing a sensorized braking element, in particular a brake pad and a sensorized brake pad obtained thereby

#13
20180106319
2018-04-19

Residual braking torque indication devices, systems, and methods

#14
20170343068
2017-11-30

Coupling

#15
20170106222
2017-04-20

Variable distance eddy current braking system

#16
20160072409
2016-03-10

Precise-motion motor

#17
20160061675
2016-03-03

System for reproducing a dry friction torque applied to an actuator of a valve located in a hydraulic line of an engine of a spacecraft including an electrical actuator controlling orthogonal forces of plates on a disc to apply resistive torque to a shaft of the actuator

#18
20150275993
2015-10-01

Using phase change materials for temperature management in clutch assemblies, torque converter clutch assemblies, and brake assemblies

#19
20150144442
2015-05-28

Braking device

#20
20150136548
2015-05-21

Braking device

#21
20150090544
2015-04-02

Frictional control system

#22
20130048442
2013-02-28

Piezo-actuated braking system and method for a stepper motor

#23
20120076570
2012-03-29

Spherical joint with internal brake

#24
20110240410
2011-10-06

ELEVATOR BRAKE ACTUATOR HAVING A SHAPE-CHANGING MATERIAL FOR BRAKE CONTROL

#25
20110229064
2011-09-22

Linear guiding device with braking apparatus

#26
20110132713
2011-06-09

SWITCHING ELEMENT COMPRISING AT LEAST ONE ELECTROACTIVE DIELECTRIC DEFORMATION MEMBER

#27
20110045932
2011-02-24

Dual differential semi-active actuator fit for interaction tasks and fast motion

#28
20100310305
2010-12-09

Spherical joint with internal brake

#29
20100101901
2010-04-29

ELECTRIC CONTROL BRAKING DEVICE

#30
20100032249
2010-02-11

Disk brake

#31
20100018823
2010-01-28

Apparatus for producing a frictional and/or form-fitting connection between two components which are arranged such that they can be moved linearly or rotated relative to one another

#32
20090178397
2009-07-16

Servo system augmented with an active material component

#33
20090047489
2009-02-19

Composite article having adjustable surface morphology and methods of making and using

#34
20090045042
2009-02-19

Active material based bodies for varying frictional force levels at the interface between two surfaces

#35
20080238247
2008-10-02

Piezo-electric motor

#36
20080230330
2008-09-25

BRAKING DEVICE HAVING A WEDGE MECHANISM

#37
20070114887
2007-05-24

Materials of active-piston actuators

#38
20060279177
2006-12-14

Materials of the cylinders of active-piston actuators

#39
20060191753
2006-08-31

Electric brake device

#40
20060108861
2006-05-25

Electronic control brake system with piezoelectric actuator

#41
20050082137
2005-04-21

Modular ultrasonic clutch brake mechanism

#42
20050067236
2005-03-31

Piezoelectric actuator

#43
20050006949
2005-01-13

Brake actuator apparatus and method for actuating a brake

#44
16894847
2021-10-19

Mechanism and method to engage/disengage a sprag clutch using actuators