Patents
Patents for G04D 3 - Watchmakers' or watch-repairers' machines or tools for working materials (564)
07/1993
07/27/1993US5230132 Method of use for a multiple bond sizing and repairing device
05/1993
05/11/1993US5208929 Multiple band sizing and repairing device
04/1993
04/14/1993CN1020263C Manually controlled surface surface machining method for pocket watch bottom train
04/07/1993EP0535189A1 Method of manufacturing a case for a timepiece.
10/1992
10/29/1992WO1992018915A1 Method of manufacturing a case for a timepiece
10/29/1992CA2085237A1 Process for producing a case for receiving a watchwork
08/1992
08/19/1992EP0329651B1 Polishing disk of fibrous material and process for utilizing same
08/11/1992US5138518 Method for manufacturing a selective call receiver
05/1992
05/19/1992US5114283 Spring barrel busher attachment
05/05/1992US5109635 Method for manufacturing watch dials of murrino glass and dials obtained with this method
03/1992
03/18/1992CN2099329U Character making machine for watch surface
03/05/1992WO1992003767A1 Marking jig
01/1992
01/01/1992CN2092115U Means for cutting hairspring off to definite length and clinching it
12/1991
12/31/1991US5077710 Watchcase having caseband fashioned from a contoured strip
11/1991
11/07/1991DE4106151A1 Producing fine irregular engaged patterns on polished metal surfaces - using interference strips produced by overlapping laterally displaced laser beam with original beam
10/1991
10/30/1991CN1014553B Time wheel and making method thereof
09/1991
09/12/1991DE4005104A1 Copying mechanism for milling-cutter grinding - has lead-screw with trapezium profile inclined to slide movement direction
07/1991
07/17/1991CN1013229B Timepiece
06/1991
06/19/1991CN1012921B Watchcase made from a contoured strip
12/1990
12/19/1990EP0402685A2 Method for manufacturing watch dials of murrino glass and dials obtained with this method
08/1990
08/21/1990US4949738 Small parts catcher for high pressure fluid cleaning apparatus
07/1990
07/24/1990US4942755 Watchcase support fashioned from a contoured strip
06/1990
06/06/1990CN2058019U Welding apparatus for wrist watch spiral power spring
09/1989
09/08/1989WO1989008069A1 Spring winding tool
08/1989
08/30/1989EP0329651A1 Polishing disk of fibrous material and process for utilizing same.
08/17/1989DE3802252A1 Apparatus for grinding the teeth of a hob for spur gears in precision mechanics for overhead cutting
07/1989
07/12/1989CN1033888A Watchcase having a caseband fashioned from a contoured strip
07/05/1989CN1033700A Watchcase support fashioned from a contoured strip
06/1989
06/28/1989EP0321901A1 Watch case support made of an extruded strip
06/28/1989EP0321900A1 Watch case centre made from an extruded strip
04/1989
04/19/1989EP0312254A2 Forming thermo-plastics materials
04/12/1989CN2035898U Forming mould for time and word mark of wrist watch
02/1989
02/01/1989CN1030830A Timepiece
02/01/1989CN1030829A Timepiece wheel and method for preparing the same
01/1989
01/12/1989WO1989000092A1 Polishing disk of fibrous material and process for utilizing same
08/1988
08/17/1988CN86102093A Manually controlled surface machining method for pocket watch bottom train plate
05/1988
05/05/1988DE3626087C1 Hob for spur wheels used in precision mechanisms and intended for the head-first cutting method
03/1987
03/10/1987US4648722 Plastic watch casing with plastic crystal and process for joining the crystal to the casing
10/1986
10/01/1986CN85203770U Half auto-machine for processing word-character of watch disk
02/1986
02/05/1986EP0169859A1 Watch part, jewellery part or element of such part
12/1985
12/17/1985US4558957 Plastic watch casing with plastic crystal and process for joining the crystal to the casing
08/1985
08/01/1985WO1985003364A1 Watch part, jewellery part or element of such part
12/1984
12/18/1984US4488345 Method and apparatus for assembling a watch case having improved structure for installing a battery cell
06/1984
06/19/1984US4455199 Method of manufacturing a timepiece component
04/1984
04/25/1984EP0106806A1 Method to manufacture an exterior part of a time piece, and part obtained thereby
02/1984
02/29/1984EP0101663A1 Method of producing a watch and watch obtained by this method
09/1983
09/13/1983US4404067 Method of manufacturing a timepiece component
05/1983
05/03/1983US4382172 Method for fabricating a watch case
01/1983
01/25/1983CA1140170A1 Vise with watch component engaging jaw accessories
06/1981
06/30/1981US4276630 Electronic watch movement
11/1980
11/26/1980EP0018980A1 Process for machining rough middle parts for watch cases
10/1980
10/07/1980US4226144 Vise with watch component engaging jaw accessories
10/07/1980US4226082 Ornamental part for watches and method of producing the same
07/1980
07/01/1980US4210798 Device for detachably mounting glass on timepiece cases
01/1980
01/10/1980WO1980000042A1 Process for machining rough middle parts for watch cases
01/09/1980EP0006649A1 Method of making a watch case and watch obtained by this method
02/1979
02/20/1979US4140401 Cleaning apparatus and method
02/13/1979CA1048606A1 Apparatus for automatic adjustment of frequency of mechanical resonators
01/1979
01/23/1979CA1047113A1 Apparatus for automatic adjustment of frequency of mechanical resonators
12/1978
12/19/1978CA1044761A1 Apparatus for sorting mechanical resonators according to inherent frequency
06/1977
06/14/1977US4028967 Watch jeweling tool
09/1976
09/28/1976US3982386 Watches, and a method of making them
07/1976
07/13/1976US3969640 Microresonator packaging and tuning
06/1976
06/08/1976US3962558 Method and apparatus for drilling watch jewels or other workpieces by means of laser beams
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