| Patents for C03B 21 - Severing glass sheets, tubes, or rods while still plastic (320) |
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| 10/05/2004 | US6801369 Preform for an optical lens, an optical lens, and a method of manufacturing an optical lens |
| 09/23/2004 | DE10310026A1 Hot separation of small thin glass parts from a glass substrate with a tool having upper and lower tools useful in glass technology |
| 08/25/2004 | CN1524064A Optical lens-use base material, optical lens, and production method for optical lens |
| 07/22/2004 | US20040142639 Optical lens-use base material, optical lens, and production method for optical lens |
| 07/22/2004 | US20040141236 Optical lens base material, optical lens, and method of producing optical lens |
| 06/23/2004 | CN1507570A Optical lens base material, optical lens, and method of producing optical lens |
| 06/23/2004 | CN1507568A Optical lens-use base material, optical lens, and production method for optical lens |
| 03/18/2004 | US20040050894 Automated flat glass separator |
| 03/03/2004 | EP1394572A1 Optical lens base material, optical lens, and method of producing optical lens |
| 02/12/2004 | WO2004013057A1 A one-step molding process for forming glass products with curved surfaces and the manufacture system thereof |
| 02/12/2004 | US20040025539 Method and device for cutting glass tubes |
| 02/04/2004 | EP1387188A1 Optical lens-use base material, optical lens, and production method for optical lens |
| 02/04/2004 | EP1386888A1 Optical lens-use base material, optical lens, and production method for optical lens |
| 09/09/2003 | US6616025 Automated flat glass separator |
| 04/10/2003 | WO2003029155A1 Method and device for severing a glass rod during a drawing process |
| 03/26/2003 | EP1177155B1 Method for making float glass, implementing device and resulting products |
| 02/06/2003 | US20030024268 Method of producing glass balls |
| 02/05/2003 | CN1394821A Method for producing glass ball |
| 01/30/2003 | US20030021036 Preform for an optical lens, an optical lens, and a method of manufacturing an optical lens |
| 12/19/2002 | DE10130811A1 Production of glass balls comprises partially softening glass fibers or glass rods on their ends, removing, spraying or atomizing portions from the softened parts of the fibers or rods, and forming glass balls by cooling the glass portions |
| 11/14/2002 | WO2002091038A1 Optical lens-use base material, optical lens, and production method for optical lens |
| 11/14/2002 | WO2002091036A1 Optical lens base material, optical lens, and method of producing optical lens |
| 11/14/2002 | WO2002090274A1 Optical lens-use base material, optical lens, and production method for optical lens |
| 08/28/2002 | EP0834044B1 Glass-ceramic cooking plate for gas cookers, and method for making same |
| 07/09/2002 | US6415631 Method and apparatus for making an article from a formable material |
| 06/19/2002 | EP0932424B1 Method and apparatus for making an article from a formable material |
| 04/25/2002 | DE10048057A1 Process for automatically preparing hot glass gob used in the production of drinking glasses comprises re-heating and portioning a cold glass rod |
| 04/25/2002 | DE10047850A1 Verfahren und Vorrichtung zum Ablängen von Glasrohren Method and apparatus for cutting glass tubes |
| 04/04/2002 | WO2002026644A1 Method and device for cutting glass tubes |
| 03/20/2002 | CN1340468A Automatic separator for plate glass |
| 02/06/2002 | EP1177155A1 Method for making float glass, implementing device and resulting products |
| 01/10/2002 | WO2001042646A3 Method for producing a glass body |
| 06/21/2001 | DE19959506A1 Verfahren zur Herstellung eines Glaskörpers A process for producing a glass body |
| 06/14/2001 | WO2001042646A2 Method for producing a glass body |
| 04/17/2001 | US6216493 Method and apparatus for making an article from a formable material |
| 11/16/2000 | WO2000068156A1 Method for making float glass, implementing device and resulting products |
| 11/01/2000 | CN2403779Y Glass micro bead forming machine |
| 10/24/2000 | US6134919 Method for forming a glass article possessing an aperture |
| 08/08/2000 | US6098426 Method and apparatus for forming a glass article possessing an aperture |
| 02/23/2000 | CN2365213Y Glass tube pinch roller mechanism |
| 01/12/2000 | CN2358072Y Glass tube cutter |
| 12/15/1999 | CN1238703A Method and apparatus for making article from formable material |
| 08/04/1999 | EP0932424A1 Method and apparatus for making an article from a formable material |
| 08/03/1999 | US5931152 Glass-ceramic cooking plate for gas cookers, and method for making same |
| 05/11/1999 | US5902368 Separation by drawing at a point to reduce the wall thickness without formation a bead |
| 03/17/1999 | EP0901871A1 Method for laser cutting glass |
| 02/18/1999 | DE19735357A1 Laser cutting of glass |
| 10/06/1998 | US5817162 Method of making a container from a bottle |
| 08/12/1998 | CN2287623Y Hand held wheel type glass cutter |
| 06/04/1998 | DE19649030A1 Glass bottle stopper |
| 04/08/1998 | EP0834044A1 Glass-ceramic cooking plate for gas cookers, and method for making same |
| 04/02/1998 | WO1998013086A1 Method and apparatus for making an article from a formable material |
| 04/02/1998 | CA2266678A1 Method and apparatus for making an article from a formable material |
| 04/23/1997 | EP0665821B1 Method of making a container from a bottle |
| 01/03/1997 | WO1997000407A1 Glass-ceramic cooking plate for gas cookers, and method for making same |
| 06/19/1996 | EP0717011A2 Method for the heat-softening separation of class tubes or glass plates |
| 08/09/1995 | EP0665821A1 Method of making a container from a bottle. |
| 03/22/1995 | CN2192620Y Hot cutting linkage system for microcrystal glass plate |
| 02/28/1995 | US5392758 Bracing device for the blades of a saw mill, saw mill using a device of this type |
| 01/12/1995 | DE4320895A1 Method and device for making a recess in a glass body |
| 04/28/1994 | WO1994008909A1 Method of making a container from a bottle |
| 04/28/1994 | CA2147505A1 Method of making a container from a bottle |
| 01/27/1994 | DE4224282A1 Glass structuring, engraving or cutting removes glass - uses a laser beam with a given wavelength to give very small widths in min. working time |
| 09/08/1993 | EP0559006A1 Spacer for mounting multiple circular saw blades on a single spindle and set of saw blades using the spacer |
| 08/17/1993 | CA1321345C Discrete glass cutting and edge shaping |
| 07/14/1993 | CN2138121Y Mosaic and colour tile shaping machine |
| 05/25/1993 | US5213601 Method and apparatus for producing curved panes having a two-level curving station |
| 05/12/1993 | CN2132744Y Cutting head first cutting device for glass tube |
| 11/05/1992 | DE4113900A1 Viscous material strip-parting method - by subjecting strip briefly to load exceeding its mechanical strength causing crack propagation |
| 08/18/1992 | CA1306359C Ribbon severing support |
| 08/04/1992 | CA1305858C Discrete part cutting |
| 05/13/1992 | EP0484836A1 Method and apparatus for punching holes in glass |
| 05/09/1992 | CA2052879A1 Method for punching holes in glass |
| 02/05/1992 | EP0469640A2 Process and apparatus for bending glass sheets |
| 12/03/1991 | US5069704 Method and apparatus for shaping curved glass sheets |
| 11/06/1991 | CN1014599B Discrete part cutting |
| 09/11/1991 | CN2084475U Preliminary cutting device for glass tube drawing machine |
| 05/22/1991 | CN1012638B Uncontinuous glass cutting and edge form dresser |
| 09/12/1990 | EP0386382A1 Removal of defective quantities in an installation for bending and tempering glass sheets |
| 07/11/1990 | CN2059159U Automatic measuring cutting device for quartz glass tube |
| 06/30/1990 | CA2004426A1 Method for cutting hot glass |
| 06/27/1990 | EP0375535A1 Production line for bent windshields |
| 06/26/1990 | US4936891 Process and apparatus for the vertical drawing of glass tubes with sealed bottoms |
| 06/21/1990 | CA2006181A1 Method and apparatus for producing curved glazing |
| 05/08/1990 | US4923608 Micro/ultrafiltration membranes with a fixed pore size formed through irradiation with pulsed lasers and process for manufacturing the same |
| 03/01/1990 | DE3828539A1 Method of pushing through the mouth in pressed bottle bodies made of glass which are completed in a further step of the method by welded on bottom plates |
| 01/25/1990 | DE3924238A1 Glass element mfr. - prevents traces of knife cut by faster lowering of capturing mould |
| 01/02/1990 | US4891054 Method for cutting hot glass |
| 11/01/1989 | CN2046888U 20 axil glass horn machine |
| 09/06/1989 | CN1035278A Uncontinuous glass cutting and edge form dresser |
| 08/02/1989 | EP0325752A1 Micro/ultrafiltration membranes of defined pore size and process for their manufacturing by means of pulsed laser irradiation |
| 06/28/1989 | EP0321838A1 Discrete glass cutting and edge shaping |
| 06/28/1989 | CN1033519A Discrete part cutting |
| 05/09/1989 | US4828900 Discrete glass cutting and edge shaping |
| 07/06/1988 | EP0273285A1 Ribbon severing support |
| 06/15/1988 | EP0270897A1 Method and apparatus for shearing glass along a selected line of cut |
| 06/07/1988 | US4749400 Cutting while maintaining optical quality |
| 05/10/1988 | US4743284 Ribbon severing support |
| 07/21/1987 | US4682003 Laser beam glass cutting |
| 07/15/1987 | CN86206751U Inserting type cutter of couple rollers |