| Patents for C03B 17 - Forming glass by flowing out, pushing-out, or drawing downwardly or laterally from forming slits or by overflowing over lips (1,999) |
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| 09/23/1998 | EP0866035A1 Method and apparatus for delivering a cased glass stream |
| 09/22/1998 | US5810900 Method and apparatus for delivering a cased glass stream |
| 09/08/1998 | US5803942 Method and apparatus for delivering a cased glass stream |
| 08/13/1998 | WO1998034882A1 How to increase the fusion viscosity index of hollow glassware for of a more efficient cooling |
| 08/13/1998 | DE19706014A1 Verfahren zur Viskositätserhöhung von Hohlglaskörper-Schmelzen zum Zweck der effektiveren Abkühlung Method for increasing the viscosity of hollow glass body melts for the purpose of effective cooling |
| 07/30/1998 | WO1998018731A3 Method of forming glasses |
| 07/28/1998 | US5785726 Controlling partial pressure of hydrogen outside vessel relative to pressure inside vessel to minimize surface blistering caused by relase of oxygen bubble, without arsenic compounds |
| 07/07/1998 | US5776221 Method for delivering a glass stream for forming charges of glass |
| 06/24/1998 | EP0848688A1 Method for making an article having a gradient of composition |
| 06/17/1998 | CN1184787A Method and apparatus for delivering cased glass stream |
| 06/17/1998 | CN1184786A Method and apparatus for delivering cased glass stream |
| 05/22/1998 | WO1998021154A1 Method for forming an internally channeled glass article |
| 05/07/1998 | WO1998018731A2 Method of forming glasses |
| 05/07/1998 | CA2269843A1 Method of forming glasses |
| 04/28/1998 | US5743928 Method and apparatus for extruding glass tubing |
| 04/07/1998 | US5735925 Method and apparatus for delivering a cased glass stream |
| 03/25/1998 | EP0831068A2 Method and apparatus for delivering a cased glass stream |
| 03/25/1998 | EP0831067A1 Method and apparatus for delivering a cased glass stream |
| 01/29/1998 | WO1998003442A1 Arsenic-free glasses |
| 01/28/1998 | CN1171374A Case gob structural support and service system |
| 01/07/1998 | EP0816295A2 Case gob structural support and service system |
| 12/10/1997 | CN1167091A Technology for producing carving-imitated craft glass |
| 11/18/1997 | US5688300 Drawing |
| 11/04/1997 | US5683482 Device and method for shaping rods, especially of glassy material |
| 10/29/1997 | CN1163603A Danner muffle |
| 10/15/1997 | EP0800488A1 Danner muffle |
| 09/04/1997 | WO1997031868A1 Process for forming flat glass |
| 06/25/1997 | EP0780344A2 Process and apparatus for levitating a liquid substance by means of a gaseous layer |
| 06/20/1997 | CA2192750A1 Method and installation for confinement of a liquid mass by a gas layer |
| 03/13/1997 | WO1997009278A1 Method for making an article having a gradient of composition |
| 12/18/1996 | EP0748299A1 Capillary tube and methods for producing said tube |
| 12/04/1996 | EP0745565A1 Manufacturing method for an internally channeled glass article and a lighting device comprising said article |
| 12/04/1996 | EP0745564A1 Manufacturing method for an internally chanelled glass article |
| 10/23/1996 | EP0738690A1 Method and device for manufacturing a rod of a material having a cross-sectional composition gradient |
| 10/23/1996 | EP0738689A1 Device and method for shaping rods, especially of a glassy material |
| 10/22/1996 | CA2051208C Method of manufacturing silica glass optical waveguide preform |
| 10/16/1996 | EP0668849B1 Process for the manufacture of an object displaying a message |
| 07/30/1996 | US5540746 Glass forming apparatus |
| 07/24/1996 | EP0722908A2 Method and apparatus for delivering a coated glass stream for forming charges of glass |
| 07/24/1996 | EP0722907A2 Method and apparatus for delivering a glass stream for forming charges of glass |
| 06/13/1996 | DE4440708C1 Dannermuffel Dannermuffel |
| 05/23/1996 | WO1996015073A1 Danner muffle |
| 01/30/1996 | US5487863 Extrusion die for protrusion and/or high cell density ceramic honeycomb structures |
| 01/11/1996 | DE19508536A1 Prodn. of multi-coloured glass strands |
| 01/04/1996 | DE4422536A1 Hollow fibre mfg. process |
| 09/08/1995 | WO1995023770A1 Capillary tube and methods for producing said tube |
| 08/30/1995 | EP0668849A1 Process for the manufacture of an object displaying a message. |
| 12/22/1994 | DE4312744A1 Extruded multi-chamber glass profiles |
| 11/15/1994 | US5364432 Method for producing a composite glass body with drawing of concentric melts |
| 05/31/1994 | USRE34624 Extrusion die for forming thin walled honeycomb structures |
| 05/26/1994 | WO1994011316A1 Process for the manufacture of an object displaying a message |
| 05/26/1994 | CA2149430A1 Process for the manufacture of an object displaying a message |
| 05/18/1994 | EP0596888A1 Extruded glass sections |
| 05/03/1994 | US5308371 Method of forming fluoride glass fiber preform |
| 12/08/1993 | EP0437477B1 Camera apparatus for preventing double exposure |
| 10/19/1993 | CA1323396C Method of making a fluorescent lamp |
| 10/13/1993 | EP0564707A1 Process and apparatus for making a composite glass preform |
| 09/07/1993 | US5242293 Apparatus for producing an extrusion of material with a central opening |
| 06/01/1993 | CA1318485C Extrusion die for protrusion and/or high cell density ceramic honeycomb structures |
| 05/25/1993 | US5213599 Method of manufacturing tube glass |
| 04/14/1993 | EP0536633A1 Glass forming apparatus and method |
| 03/23/1993 | CA1314690C Extrusion die for forming thin-walled honeycomb structures |
| 03/18/1993 | WO1993004991A1 Extruded glass sections |
| 02/09/1993 | US5185021 Heating to temperature between high sag and low crystalline start, extrusion, cooling |
| 01/28/1993 | DE4112195A1 Coloured glass tubes - have structured colour inserts in continuously drawn glass for precise colour arrangements |
| 12/29/1992 | CA1311917C Flow control means for molten glass or the like |
| 12/22/1992 | CA1311616C Layered glass article and method for making it |
| 12/15/1992 | US5171503 Method of extruding thin-walled honeycomb structures |
| 12/08/1992 | US5169421 Method of manufacturing silica glass optical waveguide preform |
| 09/02/1992 | EP0501562A1 Method of manufacturing tube glass |
| 06/24/1992 | EP0491257A1 Device for the manufacturing of a rope-like formed mass with a central opening |
| 04/14/1992 | US5104432 Passing stream through plasma arc coupling zone; thermal and electrical treatment |
| 03/25/1992 | EP0476537A2 Method of manufacturing silica glass optical waveguide preform |
| 01/14/1992 | US5080705 Method and apparatus for manufacturing profiled glass tubing |
| 11/19/1991 | US5066215 Extrusion die for forming thin-walled honeycomb structures |
| 10/15/1991 | US5057136 Method and apparatus for manufacturing profiled glass tubing |
| 09/11/1991 | CN2084475U Preliminary cutting device for glass tube drawing machine |
| 07/24/1991 | CN1013272B Flow control means for molten glass or like |
| 06/25/1991 | US5026413 Process for manufacturing quartz glass pipes having a high content of silica with only minor diameter deviations |
| 04/03/1991 | EP0420239A1 Method of manufacturing preform for nonoxide glass fiber |
| 01/22/1991 | US4986939 Method for the production of cylindrically symmetric bodies with a radial gradient |
| 01/22/1991 | CA1279289C Extruding reduced viscosity silica into green body, purification and sintering |
| 11/22/1990 | EP0398699A1 A process for the treatment of liquid materials |
| 11/21/1990 | CN1010475B Manufacturing method of colour glassware |
| 10/31/1990 | EP0394640A1 Method for making silica tubes or tubes with a high content of silicic acid with low diameter variation |
| 08/01/1990 | EP0380232A2 Extrusion die assembly for forming honeycomb structures having thickened outer skin |
| 07/11/1990 | CN2059160U Intermittent mechanical tube-drawing device for glass tube |
| 06/28/1990 | DE3843425A1 Method and device for machine manufacture of hollow glass bodies |
| 06/26/1990 | US4936891 Process and apparatus for the vertical drawing of glass tubes with sealed bottoms |
| 05/10/1990 | DE3837372A1 Installation for the machine shaping of hollow products made of flashed glass with a colour coating |
| 05/08/1990 | US4923497 Method for the continuous production of a tube or rod of vitreous fused silica |
| 04/19/1990 | WO1990004200A1 Camera apparatus for preventing double exposure |
| 04/19/1990 | DE3835228A1 Verfahren und vorrichtung zum herstellen mehrschichtiger hohlglaskoerper A method and apparatus for manufacturing multilayer hohlglaskoerper |
| 04/11/1990 | EP0362892A1 Camera apparatus for preventing double exposure |
| 04/10/1990 | US4915612 Extrusion die assembly for forming honeycomb structures having thickened outer skin |
| 03/07/1990 | EP0357271A1 Extrusion die |
| 02/20/1990 | US4902216 Extrusion die for protrusion and/or high cell density ceramic honeycomb structures |
| 12/06/1989 | EP0344360A2 Method for continuously making tubes or rods from quartz glass |
| 10/31/1989 | US4878075 Camera apparatus for preventing double exposure |
| 10/24/1989 | US4875917 Method for making a layered glass article |