Patents
Patents for A44C 27 - Making jewellery or other personal adornments (2,638)
04/1992
04/28/1992CA2094609A1 Locket, and process for manufacturing locket-halves
04/02/1992WO1992004840A1 Ornament made of silicon
04/01/1992EP0477266A1 Method and machine for the engraving of articles.
02/1992
02/20/1992WO1992002157A1 Metallic mesh for ornamental goods and method of manufacture thereof
02/12/1992CN2095568U Lighting decoration articles for shoe hat ring and necklace
02/11/1992US5087528 Fashion article
01/1992
01/28/1992US5084108 Forming a ring shaped circle, annealing, heat treatment to inc rease yield strength and cooling
01/23/1992WO1992000685A1 Chain forming method and chain obtained by the method
01/23/1992DE4123702A1 Multicoloured fashion accessory prodn. - using laser beam to structure cover layer on coloured metal layer
01/08/1992EP0465073A1 Platinum electroforming and platinum electroplating
01/02/1992DE4020329A1 Goldlegierung zum schwarz-faerben, behandelte bzw. bearbeitete artikel aus schwarz gefaerbter goldlegierung und verfahren zur herstellung der behandelten bzw. bearbeiteten artikel Gold alloy for black-dyeing, treated or processed items from black-colored gold alloy and process for making the treated or processed items
12/1991
12/27/1991EP0462228A1 Method and layered structure for adhering gold to a substrate
12/24/1991US5075126 Protecting against allergic reactions
12/24/1991US5075066 Method of making ornaments
12/12/1991DE4015895C1 Appts. for welding of small titanium (alloy) parts e.g. jewellery - comprises enclosure which can be sealed gas-tight and which contains gas inlet for welding torch
12/10/1991US5070586 Compound of gems and a method of producing it
11/1991
11/21/1991EP0457350A1 Precious metal article, method for manufacturing same, moldable mixture for use in manufacture of same and method for producing moldable mixture
10/1991
10/22/1991US5058252 Apparatus and method for finishing chain assembly
10/15/1991US5056656 Storage strip for gems or other small pieces
10/01/1991US5052195 Coin holder and method therefor
09/1991
09/12/1991DE4006872A1 Plastic costume jewellery - made by injection moulding two incompatible components to give fibrous surface
09/03/1991US5045280 Intermetallic compounds
08/1991
08/14/1991EP0441138A1 Ornamental chain
08/14/1991CN1053741A Metal platelet compound
08/07/1991EP0440053A1 Structure of metallic plates
08/06/1991US5037708 Silver palladium alloy
08/06/1991US5037517 Method of forming layered structure for adhering gold to a substrate
08/06/1991US5037496 Cobalt-containing precious metal material for decoration
08/01/1991CA2034133A1 Metal platelet compound
07/1991
07/31/1991EP0438980A1 Cobalt-containing precious metal material for decoration and process for preparing the same
07/31/1991CN2081658U Micro-control pearl braider
07/16/1991US5032437 Jewelry and methods for making jewelry and other decorative devices
06/1991
06/26/1991EP0433334A1 Hollow jewellery objects and method.
05/1991
05/28/1991US5019335 Gold colored metal alloy
05/01/1991CN1012463B Shell ornaments and their prodn process
04/1991
04/24/1991EP0423569A1 Group of ornamental stones and method of producing the same
04/17/1991CA2026541A1 Compound of gems and a method of producing it
04/10/1991EP0421731A1 PtAl2 intermetallic compounds with additions of copper.
03/1991
03/19/1991US5000209 Jewelry cleaning system
03/06/1991EP0415130A1 Method to eliminate the filling in wrought hollow gold and wrought hollow gold thus processed
02/1991
02/27/1991EP0413780A1 Jewellery
01/1991
01/31/1991DE3908472C1 Process for producing mounts from metals for precious and semiprecious stones
01/22/1991US4987038 Jewelry
01/22/1991US4986067 Lightweight jewelry
12/1990
12/25/1990US4979276 Method of manufacturing articles suitably used as necklaces, bracelets and similar items
12/16/1990WO1990015723A1 Method and machine for the engraving of articles
12/16/1990CA2058773A1 Method and machine for the engraving of articles
12/13/1990DE3923157A1 Producing costume jewellery pieces - by setting ornamental features in depressions on bored plate, covering with thermoplastic sheet, drawing, etc.
12/13/1990DE3918920A1 Galvano-plastic process for producing e.g. hollow jewellery parts - involves electrolytic metal coating of a cpd. core incorporating a structural part made of metal of similar fineness to metal coating
11/1990
11/28/1990EP0399072A1 Piece of jewellery
11/20/1990US4970878 Jewelry mounting structure employing rotatable display members
10/1990
10/17/1990EP0392331A1 Web strips for precious stones or other components
09/1990
09/26/1990EP0388444A1 Use of a silicone as a coating for surfaces of metallic objects in direct contact with human skin
08/1990
08/23/1990WO1990009464A1 Method and layered structure for adhering gold to a substrate
08/16/1990EP0381831A2 Method of composition of manufactured articles suited to realize necklaces, bracelets and similar items and items obtained with said method
08/10/1990CA2001918A1 Floral centerpiece construction
08/02/1990DE3903007A1 Surface decoration for jewellery, useful and artistic articles
08/02/1990DE3902989A1 Brooch, earring, jewellery pendant
08/01/1990EP0284699B1 Intermetallic compound and its use
08/01/1990CN1044211A Hollow jewellery objects and method
07/1990
07/24/1990US4943486 Coated article and method of production
07/24/1990US4943326 Superelastic nickel-titanium-iron alloy wire used in bracelet
06/1990
06/21/1990DE3841903A1 Process for producing a decoration of rare metal
06/20/1990EP0373624A2 Method of making ornaments
06/20/1990CN2058310U Multineedle high-efficiency pearl threading machine
06/14/1990WO1990006068A1 Jewellery
06/12/1990US4932203 Machine for the production of "bow-type" ornamental chains
05/1990
05/29/1990US4928367 Earring clutch
05/23/1990EP0369156A1 Use of a high gold content alloy in jewellery
05/22/1990US4926792 Apparatus and process for coloring objects by plasma coating
04/1990
04/17/1990US4917967 Jewelry with bronze intermediate layer;hypoallergenic
04/11/1990CN1041098A Shell ornaments and their prodn process
03/1990
03/27/1990US4911762 Jewelry; Group 8 or 1b metal with aluminum, gallium, indium, and(or) silica
03/27/1990US4910954 Apparatus for the formation of ornamental chains
03/22/1990WO1990002828A1 Hollow jewellery objects and method
02/1990
02/27/1990US4903475 Apparatus for the production of ornamental chains of the type known as "peacock eye"
02/20/1990US4901422 Badges and a method for their manufacture
02/08/1990DE3826607A1 Use of an improved palladium/white gold alloy for the manufacture of jewellery
02/06/1990US4898768 Layered structure for adhering gold to a substrate and method of forming such
01/1990
01/25/1990DE3824574A1 Method for casting precision castings
01/11/1990WO1990000185A1 Use of a silicone as a coating for surfaces of metallic objects in direct contact with human skin
01/02/1990US4891276 Article of jewelry of platinum and fine gold
01/02/1990US4891251 Floral centerpiece construction
12/1989
12/27/1989CA1264025A1 Apparatus and process for coloring objects by plasma coating
12/14/1989DE3917376A1 Antiallergic compound for application to articles of costume jewellery
12/14/1989DE3818967A1 Metal jewellery
10/1989
10/19/1989DE3841155A1 Jewel holder
10/04/1989EP0335126A2 Jeweler's multi-axial work support and positioning device
09/1989
09/26/1989CA1260219A1 Process for producing a flat product and the flat product thereof
09/20/1989CN2044432U Porcelain jewelry as well as calcine apparatus and polisher for producing it
09/19/1989EP0329733A4 Costume jewelry.
09/12/1989US4865809 Indium, palladium, silver, dentistry, jewelry
09/07/1989DE3806722A1 Ring-bending pliers
08/1989
08/30/1989EP0329733A1 Costume jewelry.
08/29/1989US4861658 Hypoallergenic jewelry and method of making the same
07/1989
07/04/1989US4843699 Method of making an earring clutch
05/1989
05/09/1989US4828933 Scratch resistant platinum article
04/1989
04/26/1989EP0313070A2 Ornament and method of manufacturing the same
04/20/1989WO1989003187A1 Item of jewellery set with gems and process for manufacturing said gems
04/19/1989EP0312115A1 Jewelry provided with stones and process for manufacturing the stones for that purpose
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