ClassID:

179022

G04B17/227 - CPC Classification

Classification description:

Mechanisms for stabilising frequency; Compensation of mechanisms for stabilising frequency for the effect of variations of temperature composition and manufacture of the material used

Recent Application in this class:
#1
20250199475
2025-06-19

DEVICE FOR SEPARATING WOUND IN BALANCE SPRINGS AFTER AN EXPANSION CYCLE, AND METHOD FOR MANUFACTURING A BALANCE SPRING COMPRISING A SEPARATION STEP CARRIED OUT BY SUCH A DEVICE

#2
20240103442
2024-03-28

SUPPORT MEMBER FOR SUPPORTING A WAFER DURING A HEAT TREATMENT

#3
20230185242
2023-06-15

PIEZOELECTRIC BALANCE SPRING, AND METHOD FOR MANUFACTURING THE BALANCE SPRING

#4
20230136065
2023-05-04

SILICON TIMEPIECE COMPONENT FOR A TIMEPIECE

#5
20220163923
2022-05-26

Process for producing a balance wheel for a timepiece

#6
20210200153
2021-07-01

Balance-spring for horological movement and method for manufacturing same

#7
20210181679
2021-06-17

Balance for timepieces and method for manufacturing the same

#8
20210080909
2021-03-18

Process for fabricating a silicon hairspring

#9
20210026299
2021-01-28

Method for manufacturing silicon timepiece components

#10
20190262896
2019-08-29

Method for manufacturing an amorphous metal part

#11
20190196408
2019-06-27

Process for producing a balance wheel for a timepiece

#12
20190196407
2019-06-27

Balance spring for timepiece movements and method for manufacturing the same

#13
20190079460
2019-03-14

Piezoelectric element for an automatic frequency control circuit, oscillating mechanical system and device comprising the same

#14
20180373202
2018-12-27

Spiral timepiece spring

#15
20180004160
2018-01-04

Tuning Fork Mechanical Oscillator for Clock Movement

#16
20170255165
2017-09-07

Bimetallic device sensitive to temperature variations

#17
20170159145
2017-06-08

Method for fabrication of a timepiece balance spring

#18
20170108831
2017-04-20

Balance spring made of heavily doped silicon for a timepiece

#19
20170108830
2017-04-20

Tuning fork mechanical oscillator for clock movement

#20
20160238994
2016-08-18

Silicon hairspring

#21
20150355600
2015-12-10

Resonator with reduced sensitivity to climatic variations

#22
20150346687
2015-12-03

Mechanical oscillating system for a clock and functional element for a clock

#23
20150344300
2015-12-03

Method for manufacturing a composite compensating balance spring

#24
20150309476
2015-10-29

System and method for manufacturing a light guide hairspring for a timepiece movement

#25
20150301502
2015-10-22

Resonator with reduced sensitivity to climatic variations

#26
20140313866
2014-10-23

Ceramic temperature-compensated resonator

#27
20140219067
2014-08-07

Resonator thermocompensated by a shape-memory metal

#28
20140137411
2014-05-22

Thermocompensated spring and method for manufacturing the same

#29
20140071796
2014-03-13

Oscillating body, mechanical oscillating system for wristwatches with such an oscillating body and watch with such an oscillating system

#30
20130265859
2013-10-10

Magnetic shielding for timepiece balance spring

#31
20130135974
2013-05-30

BALANCE SPRING AND METHOD FOR MANUFACTURING SAME

#32
20130051191
2013-02-28

Controller for a clockwork mechanism, and corresponding method

#33
20120230159
2012-09-13

At least first and second order temperature-compensated resonator

#34
20120087214
2012-04-12

Oscillating body, mechanical oscillating system for wrist watches having such an oscillating body and watch having such an oscillating system

#35
20110310711
2011-12-22

Silicon overcoil balance spring

#36
20100320661
2010-12-23

Thermocompensated spring and method for manufacturing the same

#37
20100290320
2010-11-18

Mechanical oscillator having an optimized thermoelastic coefficient

#38
20100034057
2010-02-11

Thermally compensating balance wheel

#39
20090016173
2009-01-15

Spiral spring made of athermal glass for clockwork movement and method for making same

#40
20060225526
2006-10-12

Mechanical oscillator system

#41
20060187763
2006-08-24

Speed control mechanism and mechanical timepiece having the same