ClassID:

149378

F16F1/041 - CPC Classification

Classification description:

Springs made of steel or other material having low internal friction ; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant; Wound springs with means for modifying the spring characteristics

Recent Application in this class:
#1
20250377030
2025-12-11

TAPERED SPRING WITH CHANGEABLE TOP SIZE, SPRING MODULE, AND ELASTIC CUSHION

#2
20250375044
2025-12-11

SPRING STRUCTURE WITH ADJUSTABLE HARDNESS AND SPRING PACKAGE

#3
20250092931
2025-03-20

PRELOAD ADJUSTER

#4
20210071730
2021-03-11

Electromechanical spring system

#5
20200400206
2020-12-24

Spring apparatus

#6
20200300325
2020-09-24

Electromechanical spring system

#7
20200096070
2020-03-26

Torsion spring adjustment assembly for a finger wheel rake

#8
20190291768
2019-09-26

Suspension system for stroller

#9
20190248440
2019-08-15

System and method for adjusting spring rate of a coil spring in a bike suspension

#10
20190210646
2019-07-11

Member for centering and/or steering assist

#11
20190136435
2019-05-09

Spring device for spring-mounting a functional unit of an electrical appliance, and method for influencing a spring device of this kind

#12
20190024746
2019-01-24

Elastic mechanism

#13
20180325275
2018-11-15

Stiffness adjustment device

#14
20180320747
2018-11-08

Springs with Dynamically Variable Stiffness and Actuation Capability

#15
20180291851
2018-10-11

Fuel injection valve with an anti bounce device

#16
20180266402
2018-09-20

Variable-stiffness actuator

#17
20180187734
2018-07-05

Apparatus for damping vibration

#18
20170370435
2017-12-28

Air intake device

#19
20170261130
2017-09-14

Telescopable spring support

#20
20170204927
2017-07-20

BALL SCREW ASSEMBLY FOR SPRING DOWNFORCE ACTUATOR ADJUSTMENT

#21
20160201749
2016-07-14

Method and apparatus for adjusting spring characteristics of a spring

#22
20160084333
2016-03-24

Electromechanical spring system

#23
20140327328
2014-11-06

Deformation control device for a resonant spring in a linear driving unit

#24
20140265078
2014-09-18

Methods and mechanisms for the adjustment of stiffness in various equipment and devices

#25
20140265072
2014-09-18

ELECTRONICALLY CONTROLLED DAMPING STRUCTURE IN FITNESS EQUIPMENT

#26
20140191454
2014-07-10

Telescoping spring assembly for mattresses and the like

#27
20140077429
2014-03-20

Spring assembly and method

#28
20130175394
2013-07-11

ADJUSTABLE SPRING SYSTEM AND METHOD OF ADJUSTING SPRING RATE

#29
20120285212
2012-11-15

Method and apparatus for adjusting spring characteristics of a spring

#30
20090266662
2009-10-29

Shock absorption apparatus for a treadmill

#31
20090039216
2009-02-12

Automatic level controlling apparatus

#32
20080210842
2008-09-04

BALANCING DEVICE

#33
20080121778
2008-05-29

Pivot mechanism

#34
20080116624
2008-05-22

Long travel, high force combination spring

#35
20070182079
2007-08-09

Adjusting mechanism with a helical spring of large diameter

#36
20060049560
2006-03-09

Long travel, high force combination spring

#37
20060016651
2006-01-26

Shock absorber of a seat of a wheelchair

#38
20060016648
2006-01-26

Shock absorber of a seat of a wheelchair

#39
20050258582
2005-11-24

Adjusting method and adjusting mechanism for remedying the coil pitch tolerance and fatigue deformation of adjustable helical spring

#40
20050035513
2005-02-17

Device for holding one end of a helical spring

#41
20050006833
2005-01-13

Vibration isolator for a ceiling fan

#42
13525451
2015-03-17

Apparatus for a compact adjustable passive compliant mechanism