Patents for G04B 19 - Indicating the time by visual means (7,220)
06/1991
06/05/1991CN2078455U Clock and watch with indicating day and night function
05/1991
05/29/1991EP0428981A1 Time display device
05/22/1991CN2077558U Globe-type clock with universal time zones
05/21/1991US5018118 Replaceable watch face improvement
05/08/1991DE3936879A1 Decorative clock - has hinged hands to operate on partial face plates not in same plane
05/02/1991EP0425430A1 Time piece
05/01/1991CN2076249U Pointer clock (watch)
04/1991
04/25/1991DE4032879A1 Vehicle time display instrument - has one-piece hour, minute and auxiliary shafts and pointers, snapping together to operate, suitable for journey recorders
04/23/1991US5010533 Dial face for clock or watch
04/18/1991WO1991005291A1 World time device
04/17/1991CN2075356U Electronic quartz clock
04/17/1991CN2075355U Universal watch for whole world time zone
04/17/1991CN2075354U Separating type luminous word and ornament block
04/17/1991CN2075353U Clock for displaying physiological rhythm of human body
04/17/1991CN1012391B Structure of three-hand type clock
04/16/1991US5008867 Ornamental clock with decorative time indicating device
04/11/1991DE4032039A1 Analogue display module or mechanism for clockwork - uses dial with eccentric minute pointer covering 10 divisions and eccentric hour pointer covering scale of at least 10 minute graduations
04/11/1991DE4032038A1 Analogue display module or mechanism for clockwork - includes week scale with 52 or 53 graduations around circumference and describing one revolution per year
04/11/1991DE4030744A1 Vorrichtung zur bestimmung der zeit an jedem ort der welt relativ zu einem ausgewaehlten geographischen gebiet Apparatus for determination of the time and at any place of the world relative to a selected geographic area
04/11/1991DE4003655C1 Analogue timepiece using single pointer dial - has minute segment lying in appropriate position between row of hour numbers with passed hours shaded
04/10/1991CN1050621A World time device
04/09/1991US5007034 Operation indicator of timepiece and so on
04/09/1991CA1282808C World time device
03/1991
03/27/1991EP0419421A1 Watch with a linear scale
03/21/1991WO1991003774A1 Clock with day/night differentiation facility
03/21/1991DE3929950A1 Hours display for analogue timepiece - uses two offset hours hands for simultaneous display of different times
03/13/1991CN2073124U Lunar calendar clockwork unit
03/13/1991CN2073123U Multifunction wrist watch
03/12/1991US4999822 Dial face for clock or watch
03/06/1991CN2072695U Colour-changing dial plate
03/05/1991US4998230 Timepiece with mechanism for indicating the time of different time zones
02/1991
02/27/1991EP0414635A1 Watch provided with a device permitting the choice of the sex of a child according to the fertilization time-selection method
02/27/1991CN2072240U Light decoration device for clocks and watches
02/27/1991CN2072239U Watch core attachment for indicating different times of time zone
02/27/1991CN2072238U Clock and watch with universal time-piece
02/27/1991CN2072237U Clock and watch hands and indicator
02/21/1991DE3918647A1 Astronomical year timepiece showing sun and moon positions - has sun disc visible only within elliptical section of dial eccentric to central axis
02/20/1991CN2071801U Illumination ornament for clock (watch)
02/20/1991CN2071800U Calendar and phase display for watch
02/20/1991CN2071799U Universal clock (watch)
02/20/1991CN2071798U Double-time watch
02/20/1991CN2071797U Second motion display for quartz clock (watch)
02/19/1991US4995021 Time measuring device and method for using the same
02/19/1991US4995016 Timepiece with light emitting device
02/13/1991CN2071351U Mechanical hanging lock with calendar
02/13/1991CN2071350U Cam drive system
02/12/1991US4993005 Power supply system for luminous hands
02/12/1991US4993002 Nautical moon and tide clock apparatus
02/06/1991CN2070920U World time-zone clock
02/05/1991US4991154 Timepiece
01/1991
01/30/1991CN2070464U Terrestrial globe type world clock
01/23/1991CN1048757A Method for making dials with unsaturated resin
01/16/1991EP0408513A1 Device for fitting pointers on a clockwork-movement
01/16/1991EP0408512A1 Chronograph wrist-watch
01/16/1991CN2069575U Ceramics technological quartz clock
01/15/1991US4985876 Global clock apparatus
01/10/1991WO1991000554A1 Device for presentation of information via optical effects, for particular use with measuring apparatus
01/08/1991US4984223 Analog style electronic watch
01/01/1991US4982388 Apparatus dial and watch
12/1990
12/27/1990EP0403717A1 Watch with a rotating bezel
12/26/1990CN2068249U Multi-face clock synchronous combination control structure
12/19/1990EP0402685A2 Method for manufacturing watch dials of murrino glass and dials obtained with this method
12/19/1990CN2067843U Quartz clock
12/18/1990US4979155 Structure of clock
12/12/1990CN2067420U Force generating training device
12/12/1990CN2067419U Rotary disc indication type mechanical alarm clock
12/11/1990US4977548 Clock security device
12/05/1990CN2066999U 国际时钟 International Clock
12/05/1990CN1010714B Apparatus for compounding resin hand shaft
12/04/1990US4975893 Watch with a metal rotating rim
11/1990
11/28/1990CN2066597U Multi-face clock
11/27/1990US4974242 Calendar watch having a centrally pivoted date indicator
11/27/1990US4974217 Scale indicator used with electronic setting apparatus for setting numerical values of physical quantities or the like
11/21/1990CN2066160U Multi-functional astronomy wrist watch device
11/20/1990US4972394 Multipurpose external watch face illuminator
11/20/1990US4972393 Calendar display apparatus
11/20/1990US4972392 Time conversion clock
11/14/1990EP0397028A1 Astronomical clock, a visible part of which simulates the movement of an astral body
11/14/1990EP0396807A1 Time conversion clock
11/14/1990CN2065773U Single mechanism two-side display quartz clock
11/14/1990CN1046986A Watch comprising means for lateral positioning of the movement in the watch case
11/07/1990EP0396473A1 Method of/and device for displaying tidal movement
11/07/1990EP0396007A1 Watch with lateral positioning means of the clockwork-movement in the case
11/07/1990CN2065334U Eight-functional clock or watch with human biorhythm clock
11/07/1990CN2065333U Globe-shaped zone time displaying clock
10/1990
10/24/1990EP0394215A2 Display assembly for a watch
10/24/1990CN2064514U Clocks using world standard time
10/18/1990WO1990012345A1 Clock mechanisms
10/17/1990CN2064074U Calendar mechanism of wristwatch
10/17/1990CN2064073U Multifunction 24 hours indicator for clock
10/10/1990CN2063657U Clock (watch)
10/10/1990CN2063656U Nine-function three-calendar clock (watch)
10/10/1990CN2063655U Watch dail plate
10/04/1990DE3910479A1 Timepiece, in particular a wrist watch
10/03/1990EP0389739A1 Analogical display module for a clockwork movement
10/03/1990EP0389732A1 Digital-analog display
10/03/1990CN2063244U Dial unit of locks and watches for displaying shichen and shuxiang
09/1990
09/26/1990EP0389441A2 Modular construction watch
09/26/1990EP0389411A1 Hybrid display time piece comprising one or several LCD elements
09/26/1990EP0389290A2 Timepiece
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