| Patents for A44C 27 - Making jewellery or other personal adornments (2,638) |
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| 04/18/1989 | US4821533 Method of setting precious stones, as well as jewelry made by this method |
| 03/07/1989 | US4810539 Particles entrained in hardened plastic yield micro-dots; inserts for jewelery |
| 03/07/1989 | US4809416 Method of making costume jewelry resembling black hills gold |
| 01/03/1989 | CA1247874A1 Jewelry rope chain |
| 12/29/1988 | WO1988010162A1 Costume jewelry |
| 12/29/1988 | DE3719024A1 Device for temporarily holding small parts, in particular precious stones |
| 12/27/1988 | US4793045 Article forming method |
| 12/13/1988 | US4791017 Carbonitrides of titanium, vanadium, hafnium, zirconium match color and brilliance to disguise wear |
| 11/30/1988 | EP0293229A2 Apparatus and process for coloring objects by plasma coating |
| 11/22/1988 | US4785647 Method and apparatus for sizing rings |
| 10/11/1988 | US4777098 Titanium core, chromium and/or molybdenum layer and sheath |
| 10/05/1988 | EP0284699A1 Intermetallic compound and its use |
| 09/28/1988 | EP0284259A1 Badges and a method for their manufacture |
| 08/09/1988 | US4761971 For earrings, nonirritating |
| 08/09/1988 | US4761865 Process for the mechanized production of jewelry comprising a plurality of small contiguous stones set in a metal support |
| 07/27/1988 | EP0276184A1 Method for setting a gem, and a piece of juwelery obtained by this method |
| 07/13/1988 | EP0274239A1 Scratch resistant platinum article |
| 07/05/1988 | US4754535 Method and machine for the embellishment of precoined metal strip, utilizing continuous stock or discrete lengths |
| 06/29/1988 | CN85106328B Fusing-junction method for amber |
| 06/21/1988 | US4751954 Method of casting bimetallic articles |
| 06/16/1988 | WO1988004146A1 Twisted wire and strip for decorative purposes |
| 06/14/1988 | US4750394 Cutting machine for decoration chains |
| 05/18/1988 | EP0267318A2 Alloy for ornamental purposes |
| 05/17/1988 | US4745035 Article having a wear resisting precious metal coating |
| 05/17/1988 | US4744552 Craftsman's jewelry support tool |
| 04/26/1988 | US4740935 Watchcase having mechanism for securing crystal to case |
| 04/21/1988 | DE3712839C1 Use of platinum alloys having spring properties for jewellery pieces |
| 04/12/1988 | US4737252 Sputtered protective coating |
| 03/22/1988 | US4731913 Process for making jewelry comprising one or more rows of stones and jewelry obtained by these processes |
| 03/15/1988 | US4730961 Edging machine preferably for chains |
| 02/16/1988 | US4725511 Computer-generated diffraction pattern on semiconductor substrate |
| 02/16/1988 | US4724995 Pin joining method and apparatus |
| 02/04/1988 | DE3625215A1 Method for the manufacture of articles of jewellery |
| 01/28/1988 | DE3634540C1 Use of silver alloys as a material for wires for the manufacture of jewellery chains |
| 01/05/1988 | US4716750 Process for obtaining composite hollow members from variegated longitudinal strips, embodied with or without a removable core |
| 12/23/1987 | EP0250321A2 Ornamental article |
| 12/03/1987 | DE3717044A1 Material for decorative applications |
| 11/17/1987 | US4707238 Method of processing a metal surface |
| 10/22/1987 | DE3612694A1 Process for the partial surface decoration of moulded articles |
| 10/21/1987 | EP0241625A2 Locking device for a brooch |
| 10/21/1987 | EP0241621A1 Manufacturing method and device of a metallic jewelry chain |
| 09/30/1987 | EP0239398A1 Cutting machine for decorative chains |
| 09/10/1987 | DE3706818A1 Process for producing a decorative material |
| 09/08/1987 | US4691903 Holder for small parts |
| 08/26/1987 | EP0233831A1 Method for manufacturing jewellery comprising adjoining set gems |
| 08/25/1987 | US4689464 Apparatus for manufacturing rings |
| 08/13/1987 | DE3704403A1 Process for producing a composite metal plate for jewellery articles |
| 07/21/1987 | US4681664 Process for producing pieces of jewelry from precious metals and pieces of jewelry produced by it |
| 07/14/1987 | US4679391 Method of manufacturing jewelry chains from decorated helicoid members and/or links |
| 07/02/1987 | DE3546178A1 Decorated porcelain and process for its manufacture |
| 06/23/1987 | US4674311 Method and apparatus for automatic shaping/decoration of longitudinal members in modular units of preset size from which ultimately to fashion articles of jewelry in precious metal and articles of costume jewelry |
| 05/19/1987 | US4666790 Process for the manufacture of semi-finished polychrome composites from thin gage metals, and a semi-finished composite obtained with such a process |
| 05/13/1987 | EP0221492A2 Article coated with a wear-resistant film of a precious metal |
| 04/22/1987 | EP0091585B1 Jewel made of platinum and high carat gold, especially fine gold |
| 02/25/1987 | EP0211286A1 Device for mechanical connecting of pins with a joining plate |
| 01/27/1987 | US4639426 Decorative hard golden ceramic article |
| 12/23/1986 | US4630346 Article forming method |
| 11/19/1986 | CN85106328A Fusing-junction method for amber |
| 10/15/1986 | EP0197871A1 Method of manufacturing jewels with one or more rows of stones, and jewels obtained by this method |
| 09/24/1986 | EP0195132A2 Process for manufacturing precious metal jewels, and jewels thus obtained |
| 08/13/1986 | EP0190426A1 Use of nickel alloys for ornamental objects and parts of watches |
| 08/05/1986 | US4604329 High technology decorative materials and fabrication of same |
| 07/08/1986 | US4599251 Appearance of color in reflected light |
| 07/01/1986 | US4597146 Method of making badges or emblems |
| 06/24/1986 | CA1206343A1 Article of jewelry of platinum and fine gold |
| 06/03/1986 | US4592780 Production of flat products in strip sheet or like form |
| 04/08/1986 | US4581088 Finger jewels |
| 12/10/1985 | US4557895 Yellow gold alloy |
| 11/06/1985 | EP0160409A1 Improvements in and relating to the production of flat products in strip, sheet or like form |
| 11/06/1985 | EP0160114A1 Process for making a strap, especially a watch strap, and strap produced by this process |
| 10/01/1985 | US4543803 Lightweight, rigid, metal product and process for producing same |
| 09/03/1985 | CA1192730A1 Industrial process for manufacturing jewelry, such as rings, preferably in precious metal, set with stones, device for carrying out said process and the resulting jewels |
| 08/06/1985 | US4533605 Alternating thin films of metal and an oxide, spinel or glass |
| 05/14/1985 | US4517217 Dielectric oxides |
| 04/16/1985 | US4511665 Decorative hard golden ceramic article |
| 04/02/1985 | US4508156 Personalized items and process for making them |
| 01/29/1985 | CA1181614A1 Process of depositing a hard coating of a gold compound on a substrate for coating jewelry and the like |
| 01/22/1985 | US4495254 Thin films; abrasion resistance; non-discoloring |
| 01/15/1985 | US4493736 Tarnish-resistant copper alloy and method of preparation |
| 01/15/1985 | US4493196 Ring construction and method of making same |
| 12/25/1984 | US4490440 High technology jewelry and fabrication of same |
| 12/19/1984 | EP0128420A2 Jewel and process for manufacturing wires or the like from metal, in particular from alloys with precious metals |
| 07/10/1984 | US4458401 Sleeving method and apparatus |
| 07/03/1984 | US4457460 Wristwatch strap with protective layer that contacts the wrist |
| 07/03/1984 | US4457056 Carrying out said process and the resulting jewels |
| 06/19/1984 | US4454638 Special lathe, particularly for making settings exactly fitting the gem or the like |
| 05/01/1984 | US4446102 Yellow gold jewelry alloy |
| 12/06/1983 | US4419193 Method for making hollow pendants |
| 10/19/1983 | EP0091585A2 Jewel made of platinum and high carat gold, especially fine gold |
| 10/18/1983 | US4410475 Preparation of metallic article |
| 09/06/1983 | US4403014 Group eight metal with group four nitrides, carbides, or borides |
| 06/14/1983 | US4388350 Process for decorating articles |
| 06/14/1983 | CA1147991A1 Special lathe, particularly for making settings exactly fitting the gem or the like |
| 06/07/1983 | US4386506 Earring and method of making same |
| 01/26/1983 | EP0070745A1 Engraved jewellery ring and method for its engraving |
| 12/28/1982 | US4366199 Decorative textile element |
| 10/19/1982 | US4354301 Method for manufacturing stripe-patterned metal plate |
| 10/12/1982 | US4353765 Process for making single ornament stones coated with heat-activated adhesive |
| 09/28/1982 | CA1132348A1 Ornamental textiles, their manufacture and their use |
| 08/25/1982 | EP0058174A1 Decorative articles |