G04B - Mechanically-driven clocks or watches; Mechanical parts of clocks or watches in general; Time-pieces using the position of the sun, moon, or stars

More topics under "G04B - Mechanically-driven clocks or watches; Mechanical parts of clocks or watches in general; Time-pieces using the position of the sun, moon, or stars" (28,973)
G04B 1 - Driving mechanisms (748)
G04B 11 - Click devices,stop clicks orclutches for winding (174)
G04B 13 - Gearwork (1,123)
G04B 15 - Escapements (785)
G04B 17 - Mechanisms for stabilising frequency (1,381)
G04B 18 - Mechanisms for setting frequency (186)
G04B 19 - Indicating the time by visual means (7,220)
G04B 21 - Indicating the time by acoustic means (423)
G04B 23 - Arrangements producing acoustic signals at preselected times (666)
G04B 25 - Indicating the time by other means or by combined means (457)
G04B 27 - Mechanical devices for setting the time-indicating means (818)
G04B 29 - Frameworks (426)
G04B 3 - Normal winding of clockworks by hand or mechanically; Winding-up several mainsprings or driving weights simultaneously (547)
G04B 31 - Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor (325)
G04B 33 - Calibers (302)
G04B 35 - Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears (103)
G04B 37 - Cases (4,934)
G04B 39 - Watch crystals; Fastening or sealing crystals; Clock glasses (679)
G04B 41 - Locking or holding devices for pendulums, chimes, or the like, for use during transport (11)
G04B 43 - Protecting clockworks by shields or other means against external influences, e.g. magnetic fields (147)
G04B 45 - Time-pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effect (1,513)
G04B 47 - Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece (5,144)
G04B 49 - Time-pieces using the position of the sun, moon, or stars (206)
G04B 5 - Automatic winding-up (427)
G04B 7 - Combined normal and automatic winding-up (11)
G04B 9 - Supervision of the state of winding, e.g. indicating the amount of winding (206)
G04B 99 - Subject matter not provided for in other groups of this subclass (11)

Patents for G04B - Mechanically-driven clocks or watches; Mechanical parts of clocks or watches in general; Time-pieces using the position of the sun, moon, or stars (56)
01/2014
01/16/2014	US20140016447 Timing system and device and method for making the same
10/2009
10/13/2009	US7600430 Device for arranging the measurement of pressure in a wristop instrument
07/2009
07/01/2009	CN100507763C Perpetual calendar for a timepiece
01/2009
01/13/2009	US7477229 Clock with intelligent backlight device
11/2008
11/12/2008	EP1690142A4 Perpetual calendar for a timepiece
08/2007
08/08/2007	CN101014535A Ormosil aerogels containing silicon bonded polymethacrylate
07/2007
07/26/2007	DE102006056128A1 Anordnung zum Durchführen der Messung eines Drucks in einem Wristop-Instrument Arrangement for carrying out the measurement of a pressure in an instrument wristop
05/2007
05/31/2007	US20070121424 Arrangement for arranging the measurement of pressure in a wristop instrument
04/2007
04/03/2007	US7198401 Watch-winding apparatus
03/2007
03/08/2007	WO2005098553A3 Ormosil aerogels containing silicon bonded polymethacrylate
12/2006
12/20/2006	CN1882887A Perpetual calendar for a timepiece
10/2006
10/25/2006	EP1714195A2 Ormosil aerogels containing silicon bonded polymethacrylate
08/2006
08/16/2006	EP1690142A2 Perpetual calendar for a timepiece
07/2006
07/13/2006	DE69501676C5 Mechanische Uhr mit einem Drehgestell Mechanical clock with a bogie
05/2006
05/03/2006	CN2777659Y Prompting device for taxi passenger
04/2006
04/19/2006	CN2773751Y Spring device on watch
04/11/2006	US7027361 Perpetual calendar for a timepiece
03/2006
03/30/2006	US20060066556 Clock with intelligent backlight device
03/08/2006	CN2763860Y Desk clock
02/2006
02/01/2006	CN2755648Y Pointer watch with LCD screen
01/2006
01/26/2006	US20060018199 Watch-winding apparatus
10/2005
10/20/2005	WO2005098553A2 Ormosil aerogels containing silicon bonded polymethacrylate
10/20/2005	WO2005052698A3 Perpetual calendar for a timepiece
10/20/2005	CA2551843A1 Ormosil aerogels containing silicon bonded polymethacrylate
09/2005
09/01/2005	US20050192366 Ormosil aerogels containing silicon bonded polymethacrylate
07/2005
07/28/2005	WO2005026849A3 Ring re-sizer and protector
07/20/2005	CN2711779Y Pointer clock capable of playing MP3
06/2005
06/09/2005	WO2005052698A2 Perpetual calendar for a timepiece
05/2005
05/19/2005	US20050105398 Perpetual calendar for a timepiece
04/2005
04/06/2005	CN1196043C Assembled clock and watch
03/2005
03/24/2005	WO2005026849A2 Ring re-sizer and protector
01/2005
01/27/2005	WO2004077172A3 Timing system and device and method for making the same
12/2004
12/15/2004	CN2664030Y Automatic luminous watch
11/2004
11/23/2004	US6822931 Device comprising first part having base with photographic medium capable of being activated to change color indicating passage of time, second part having means to activate photographic medium when parts are brought into contact
09/2004
09/22/2004	CN1167984C Device for input or output data of portable article like clock
09/10/2004	WO2004077172A2 Timing system and device and method for making the same
08/2004
08/25/2004	CN1163802C 腕部装置 Wrist device
01/2004
01/21/2004	CN1135247C Sticking fixing article, electronic apparatus and clock and watch
11/2003
11/05/2003	CN1127003C Clock movement with time zone display
08/2003
08/14/2003	US20030151985 Timing system and device and method for making the same
12/2002
12/18/2002	CN2526892Y Structure attached to computer
12/11/2002	CN1096010C Mechanical timepiece with rotary escapement speed governor
08/2002
08/21/2002	CN2507039Y Clock with lighting decorative strip
05/2002
05/22/2002	CN1350214A Clock movement with time zone display
01/2002
01/23/2002	CN1332396A Assembled clock and watch
10/2001
10/10/2001	CN1316680A Device for input or output data of portable article like clock
09/2001
09/17/2001	CA2340818A1 Means for loading or extracting data from a portable object, such as, in particular, a timepiece
04/2001
04/04/2001	CN1289950A 腕部装置 Wrist device
08/2000
08/30/2000	EP1031895A2 Clock displaying both the local time and the corresponding time of the twenty-four time zones
07/2000
07/26/2000	CN2389382Y Automatic day and night indication mechanism for alarm clock
01/2000
01/05/2000	CN2357351Y Hand digital double displaying timer
06/1999
06/02/1999	CN2322168Y Automatic alarm switch for quartz clock movement
07/1998
07/15/1998	CN1187642A Sticking fixing article, electronic apparatus, and clocks and watches
03/1997
03/04/1997	US5608694 Mechanical timepiece provided with a tourbillon
12/1995
12/13/1995	CN1113326A Mechanical timepiece provided with a tourbilion
11/1995
11/08/1995	EP0681227A1 Mechanical timepiece provided with a tourillon