F16F1/047 - CPC Classification Index

ClassID:

149383 ⎘

F16F1/047 - 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 characterised by varying pitch

Recent Application in this class:

20260036181

2026-02-05

COIL SPRINGS, POCKETED COIL SPRINGS ASSEMBLIES, AND MATTRESSES INCLUDING THE SAME

20250243919

2025-07-31

HANDGUN MAGAZINE SPRING

20250172183

2025-05-29

COIL SPRINGS, POCKETED COIL SPRINGS ASSEMBLIES, AND MATTRESSES INCLUDING THE SAME

20240191641

2024-06-13

TWISTED VALVE SPRING

20210324930

2021-10-21

Coil spring

20210190162

2021-06-24

Coil spring

20200217384

2020-07-09

Coil springs with non-linear loading responses and mattresses including the same

20200208728

2020-07-02

Filtering pulley

20200141463

2020-05-07

METHOD OF PRODUCING COIL SPRING

#10

20200088309

2020-03-19

SPOOL VALVE UNIT AND VALVE DEVICE

#11

20190211789

2019-07-11

Check valve, high-pressure component, and high-pressure fuel pump

#12

20190186571

2019-06-20

Drive device and pump device

#13

20190113094

2019-04-18

Coil spring

#14

20190085927

2019-03-21

Coil spring

#15

20180209753

2018-07-26

AMMUNITION MAGAZINE AND RESILIENT MEMBER

#16

20170335914

2017-11-23

Coil springs with non-linear loading responses and mattresses including the same

#17

20170307996

2017-10-26

Coil spring, coil spring holder, and image forming apparatus

#18

20170307318

2017-10-26

AMMUNITION MAGAZINE AND RESILIENT MEMBER

#19

20170268590

2017-09-21

Spring assembly and damper device including spring assembly

#20

20170255163

2017-09-07

Reduced dimension balance spring of constant double section

#21

20170115629

2017-04-27

Compact balance spring of variable section

#22

20170108072

2017-04-20

Coil spring

#23

20170102037

2017-04-13

Torque converter clutch

#24

20170050486

2017-02-23

Suspension coil spring

#25

20160281812

2016-09-29

Thickness Increase Spring

#26

20160146368

2016-05-26

Solenoid valve with progressive spring inside anchor

#27

20160123688

2016-05-05

Ammunition magazine and resilient member

#28

20160069313

2016-03-10

Fuel pump for a direct injection system

#29

20160046165

2016-02-18

Suspension coil spring and strut type suspension

#30

20150360894

2015-12-17

Image forming apparatus

#31

20150226504

2015-08-13

AMMUNITION MAGAZINE AND RESILIENT MEMBER

#32

20150202747

2015-07-23

Ratchet wrench actuator structure

#33

20150121736

2015-05-07

Ammunition magazine and resilient member

#34

20150084251

2015-03-26

HIGH TENSION COIL-SPRING FOR BED MATTRESS HAVING MEANS FOR PREVENTING FRICTIONAL NOISE

#35

20150068568

2015-03-12

OPENING SPRING FOR MULTIPLE FOLD AUTOMATIC OPEN-CLOSE UNBRELLA

#36

20140283922

2014-09-25

Spring assemblies for use in gas turbine engines and methods for their manufacture

#37

20140042768

2014-02-13

Push-out device

#38

20140014190

2014-01-16

Differential pressure valve with parallel biasing springs and method for reducing spring surge

#39

20130099435

2013-04-25

Coil spring

#40

20130062821

2013-03-14

Coil spring forming apparatus and coil spring formed thereby

#41

20130031726

2013-02-07

ENCASED HOURGLASS COILS AND MATTRESS CORES

#42

20120292142

2012-11-22

Cable-Operated Device

#43

20120019277

2012-01-26

SPRING WIRE ROD, CONTACT PROBE, AND PROBE UNIT

#44

20110169205

2011-07-14

Plastic spring and method and apparatus for making the same

#45

20100052231

2010-03-04

Coil spring forming apparatus and coil spring formed thereby

#46

20090106908

2009-04-30

Asymmetrical combined cylindrical and conical springs

#47

19045929

2026-05-12

Gun magazine spring state indication system and method