Patents for G04B 39 - Watch crystals; Fastening or sealing crystals; Clock glasses (679)
04/1991
04/17/1991CN1012392B Bonding structure for timepiece case
04/03/1991EP0420814A1 Water-resistant watch
12/1990
12/26/1990CN1048108A Timepiece with simplified exterior parts
12/05/1990EP0400449A1 Time-piece with a simplified exterior
11/1990
11/13/1990US4970708 Watch case including a hollowed-out caseband
10/1990
10/30/1990US4967402 Sealed watchcase
08/1990
08/29/1990CN1044996A Fixing method for plastic case of watch and windscreen
08/01/1990EP0379974A1 Watch case with a hollow middle part
07/1990
07/31/1990US4945523 Timepiece glass assembly and a timepiece
07/11/1990CN1043803A Process for the manufacture of watch case comprising two components bonded together and process for assembling watch comprising this case
06/1990
06/27/1990EP0374711A1 Method for manufacturing a watch case provided with two components stuck to each other, and method for constructing a watch provided with this case
06/13/1990EP0372882A2 A timepiece glass assembly and a timepiece
06/13/1990EP0372143A1 Watch
05/1990
05/08/1990US4924453 Watch having a glass retaining strap
05/02/1990EP0366613A1 Watch-case
02/1990
02/07/1990EP0353283A1 Wrist watch
10/1989
10/04/1989CN1036084A Capped watch case
09/1989
09/27/1989EP0334182A1 Watch case provided with a cap
08/1989
08/16/1989EP0328018A1 Watch case
08/16/1989EP0327829A1 Water-proof watch case
08/10/1989WO1989007287A1 Watch, in particular wrist watch
08/10/1989DE3802756A1 Uhr, insbesondere armbanduhr Clock, in particular wristwatch
07/1989
07/18/1989US4849299 Sapphire with ion implanted amorphous zones
06/1989
06/21/1989EP0320524A1 Watch glass and method for manufacturing such a glass
05/1989
05/16/1989US4831607 Watch case with glass-to-metal seal
04/1989
04/26/1989EP0313548A2 Astrological watch
03/1989
03/28/1989US4817064 Structure for fabricating jewelry parts or wrist watches
03/08/1989EP0305626A1 Wrist watch
10/1988
10/20/1988DE3727071A1 Global clock
08/1988
08/24/1988EP0279186A2 Wrist watch
08/10/1988EP0277510A1 Watch case with a central part, a glass and means for fitting the glass to it
08/09/1988US4763312 Bonding structure for timepieces
07/1988
07/13/1988CN87108392A Bonding structure for timepiece case
06/1988
06/08/1988EP0269872A1 Watch case
05/1988
05/17/1988US4745590 Anniversary clock with glass case
05/03/1988US4742502 Wristwatch
03/1988
03/01/1988USRE32617 Watchcase
02/1988
02/23/1988US4727525 Watch case
12/1987
12/08/1987US4711586 Clock
11/1987
11/10/1987US4706238 Clock
10/1987
10/27/1987US4702616 Clock
08/1987
08/26/1987EP0233309A1 Wrist-watch
08/04/1987US4684264 To prevent scratching or other damage
06/1987
06/23/1987US4674892 Wrist watch having certain parts covered with extra hard material
05/1987
05/26/1987US4668101 Water resistant seal for watch case
04/1987
04/02/1987DE3632622A1 Watchglass with diffraction grating
03/1987
03/10/1987US4648722 Plastic watch casing with plastic crystal and process for joining the crystal to the casing
02/1987
02/04/1987EP0210199A1 Method for fabricating jewellery parts or wrist watches
01/1987
01/20/1987US4637734 Watch case
12/1986
12/02/1986US4626108 Wristwatch with seal
11/1986
11/18/1986US4623262 Timepiece having a transparent element partially covered by a coating
11/04/1986US4620798 Watch case
10/1986
10/29/1986EP0199207A1 Wrist watch with parts covered by an extra hard material
10/15/1986EP0197518A1 Watch case
08/1986
08/14/1986WO1986004696A1 Method for fabricating jewellery parts or wrist watches
06/1986
06/10/1986US4594008 Watertight case for watches
05/1986
05/20/1986US4589886 Method of making part of a watch case
01/1986
01/15/1986EP0168010A1 Watch case
12/1985
12/31/1985US4561783 Watchcase
12/17/1985US4558957 Plastic watch casing with plastic crystal and process for joining the crystal to the casing
12/17/1985US4558956 Water-tight watch
12/17/1985US4558955 Wrist watch
11/1985
11/19/1985US4553851 Timepiece operated by solar cells
11/13/1985EP0160655A1 Digital watch magnifying element
10/1985
10/29/1985CA1195851A1 Water-resistant fixing device of a mirror on an element of a watch case
10/22/1985US4548514 Wristwatch having tubular seal and method for assembly
10/08/1985US4545688 Watch case having synthetic material seals between detachable parts thereof
10/01/1985US4544284 Leakproof watch case
08/1985
08/07/1985EP0150746A2 Watch case
08/07/1985EP0150527A1 Water-resistant watch
07/1985
07/23/1985CA1190755A1 Water tight watch-case
06/1985
06/25/1985US4525079 System for retaining a wall on a clock housing
06/25/1985CA1189329A1 Case for a clock
05/1985
05/21/1985US4518093 Watch case
05/09/1985WO1985002027A1 Digital watch magnifying element
04/1985
04/16/1985US4511261 Wristwatch protector
04/09/1985US4509866 Waterproof watchcase with multi-layered resin-coated glass
03/1985
03/19/1985US4505598 Case for a clock
02/1985
02/05/1985US4497584 Wrist watch case with vulcanized gasket
02/05/1985US4497583 Fluid-tight watch case with U-shaped bezel
01/1985
01/29/1985US4496248 Structure for a watch case made of cemented carbide
01/15/1985US4493562 Water tight watch-case
12/1984
12/27/1984EP0129274A1 Water-tight watch case
12/25/1984US4490052 Watchcase
12/12/1984EP0127651A1 Quartz watch with monobloc case, without press-button or crown on the outside
12/11/1984US4487513 Watch case structure
12/05/1984EP0127111A1 Water-tight watch case
12/05/1984EP0127078A1 Watch case
11/1984
11/21/1984EP0125376A1 Wrist watch
10/1984
10/30/1984US4479724 Water-resisting structure for a watch
10/02/1984US4474482 Watchcase
09/1984
09/25/1984US4473306 Wristwatch case
09/25/1984US4473305 Watchcase having resilient snap-fit for rigid crystal
08/1984
08/28/1984US4468134 In a timepiece
08/07/1984US4464063 Watch case comprising resilient U-shape clamping members connecting crystal and case
08/01/1984EP0114566A1 Decorated glass face for a measuring instrument, particularly a wrist watch, and method for its manufacture
08/01/1984EP0114565A1 Method of making a decoration on a glass, case or dial of a measuring instrument
07/1984
07/31/1984US4462697 Integral plastic strap and bezel for a wristwatch
07/18/1984EP0113641A1 Watch case and method to manufacture the same
07/10/1984US4459038 Protecting device of a descriptive information appearing on a watchcase piece
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