Assignee
HERAEUS SCHOTT QUARZSCHMELZE
DE·54 granted patents·1,373 citations·filing 1973–1989
Top patents by PatentIndex Score
54 records- 0198US4720407ADouble-walled quartz-glass tube for semiconductor-technology processesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1986·Granted Jan 19, 1988·341 cites·10 claims
- 0292US4162908AMethod of producing synthetic quartz glass, apparatus for the practice of the method, and use of the synthetic quartz glassHERAEUS SCHOTT QUARZSCHMELZE·Filed 1978·Granted Jul 31, 1979·62 cites·12 claims
- 0391US4431361AMethods of and apparatus for transferring articles between carrier membersHERAEUS SCHOTT QUARZSCHMELZE·Filed 1981·Granted Feb 14, 1984·104 cites·19 claims
- 0488US4466700ALightweight mirror especially for astronomical purposesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1981·Granted Aug 21, 1984·35 cites·13 claims
- 0587US4528163ACrucible for semiconductor manufacturing purposes and a process for manufacturing the crucibleHERAEUS SCHOTT QUARZSCHMELZE·Filed 1982·Granted Jul 9, 1985·47 cites·8 claims
- 0686US4416680AMethod of making quartz glass crucibles, and apparatus carrying out the methodHERAEUS SCHOTT QUARZSCHMELZE·Filed 1981·Granted Nov 22, 1983·85 cites·11 claims
- 0784US4165915ALight conducting fiberHERAEUS SCHOTT QUARZSCHMELZE·Filed 1976·Granted Aug 28, 1979·31 cites·13 claims
- 0882US4653650ARack for supporting wafers for treatmentHERAEUS SCHOTT QUARZSCHMELZE·Filed 1985·Granted Mar 31, 1987·18 cites·10 claims
- 0980US4045198AMethod of preparing a foreproduct for the production of an optical lightconductorHERAEUS SCHOTT QUARZSCHMELZE·Filed 1976·Granted Aug 30, 1977·26 cites·15 claims
- 1078US5049175AMethod of manufacturing a glass body having a non-uniform refractive indexHERAEUS SCHOTT QUARZSCHMELZE·Filed 1988·Granted Sep 17, 1991·43 cites·18 claims
- 1178US4956059AProcess for the purification of granular silicon dioxideHERAEUS SCHOTT QUARZSCHMELZE·Filed 1989·Granted Sep 11, 1990·33 cites·10 claims
- 1275US4447130ALight-weight mirror blank for astronomical purposes and method of making a supporting framework for such blanksHERAEUS SCHOTT QUARZSCHMELZE·Filed 1982·Granted May 8, 1984·22 cites·7 claims
- 1374US4612023AMethod of manufacturing stria-free, bubble-free and homogeneous quartz-glass platesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1985·Granted Sep 16, 1986·32 cites·6 claims
- 1474US4102666AMethod of surface crystallizing quartzHERAEUS SCHOTT QUARZSCHMELZE·Filed 1975·Granted Jul 25, 1978·33 cites·10 claims
- 1572US4331383ALight-weight mirrorHERAEUS SCHOTT QUARZSCHMELZE·Filed 1980·Granted May 25, 1982·28 cites·8 claims
- 1669US4397897ABell of translucent fused silica for the precipitation of polysiliconHERAEUS SCHOTT QUARZSCHMELZE·Filed 1981·Granted Aug 9, 1983·16 cites·5 claims
- 1767US4349203AFlange connection to connect a metallic and a glass or ceramic structural elementHERAEUS SCHOTT QUARZSCHMELZE·Filed 1981·Granted Sep 14, 1982·23 cites·10 claims
- 1865US4676814AMethod for the continuous building of a hollow cylindrical soot body having no internal supportHERAEUS SCHOTT QUARZSCHMELZE·Filed 1986·Granted Jun 30, 1987·17 cites·13 claims
- 1964US4666495AApparatus for manufacturing stria-free, bubble-free and homogeneous quartz-glass platesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1986·Granted May 19, 1987·14 cites·7 claims
- 2063US4842628AMethod of verifying a porous article made out of glass soot and furnace for carrying out the methodHERAEUS SCHOTT QUARZSCHMELZE·Filed 1988·Granted Jun 27, 1989·15 cites·12 claims
- 2160US4488743AFlange connection for quartz tubesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1982·Granted Dec 18, 1984·18 cites·20 claims
- 2260US4445523AApparatus for the surface cleaning of quartz-crystal piecesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1983·Granted May 1, 1984·17 cites·4 claims
- 2360US4437727AQuartz glass envelope tubeHERAEUS SCHOTT QUARZSCHMELZE·Filed 1982·Granted Mar 20, 1984·13 cites·13 claims
- 2459US4340627AWound and sintered vitreous silica article and method of makingHERAEUS SCHOTT QUARZSCHMELZE·Filed 1980·Granted Jul 20, 1982·11 cites·14 claims
- 2557US4569452ASilica glass tray made for wafersHERAEUS SCHOTT QUARZSCHMELZE·Filed 1985·Granted Feb 11, 1986·12 cites·14 claims
- 2657US4414014AMethod of producing a bubble-free vitreous materialHERAEUS SCHOTT QUARZSCHMELZE·Filed 1981·Granted Nov 8, 1983·13 cites·12 claims
- 2755US4475204AMethod and apparatus for the production of flat, transparent vitreous silica slabs of low bubble contentHERAEUS SCHOTT QUARZSCHMELZE·Filed 1982·Granted Oct 2, 1984·9 cites·15 claims
- 2853US4978836AContinuous ovenHERAEUS SCHOTT QUARZSCHMELZE·Filed 1989·Granted Dec 18, 1990·14 cites·14 claims
- 2953US4523885AApparatus for loading magazines into furnacesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1983·Granted Jun 18, 1985·19 cites·10 claims
- 3053US4235615AMethod for the production of semiproduct for the production of light conducting fibersHERAEUS SCHOTT QUARZSCHMELZE·Filed 1979·Granted Nov 25, 1980·10 cites·10 claims
- 3153US4010022AApparatus for making fused silica tubingHERAEUS SCHOTT QUARZSCHMELZE·Filed 1975·Granted Mar 1, 1977·15 cites·9 claims
- 3253US3957476AMethod of diffusing ions into quartz glassHERAEUS SCHOTT QUARZSCHMELZE·Filed 1973·Granted May 18, 1976·6 cites·3 claims
- 3352US5003284AInfrared radiatorHERAEUS SCHOTT QUARZSCHMELZE·Filed 1989·Granted Mar 26, 1991·13 cites·10 claims
- 3452US4826521AMethod of manufacturing articles of extremely pure synthetic particulate silicon dioxideHERAEUS SCHOTT QUARZSCHMELZE·Filed 1988·Granted May 2, 1989·19 cites·12 claims
- 3550US4898604AMethod of manufacturing a blank for a light-weight mirror with a supporting structureHERAEUS SCHOTT QUARZSCHMELZE·Filed 1988·Granted Feb 6, 1990·17 cites·8 claims
- 3650US4775317AOven for the heat treatment of semiconductor substratesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1987·Granted Oct 4, 1988·11 cites·1 claims
- 3750US4669938AApparatus for automatically loading a furnace with semiconductor wafersHERAEUS SCHOTT QUARZSCHMELZE·Filed 1986·Granted Jun 2, 1987·21 cites·13 claims
- 3849US4019645ACrucible of fused vitreous silicaHERAEUS SCHOTT QUARZSCHMELZE·Filed 1973·Granted Apr 26, 1977·7 cites·5 claims
- 3948US4915624AContinuous oven for soldering electronic componentsHERAEUS SCHOTT QUARZSCHMELZE·Filed 1988·Granted Apr 10, 1990·12 cites·19 claims
- 4046US4662086ARadiant unit in the form of a portal, particularly for use as a drying and baking tunnel for the automobile industryHERAEUS SCHOTT QUARZSCHMELZE·Filed 1985·Granted May 5, 1987·11 cites·12 claims
- 4145US4477112ASemiconductor substrate handling trayHERAEUS SCHOTT QUARZSCHMELZE·Filed 1983·Granted Oct 16, 1984·6 cites·5 claims
- 4245US4392715AOptical fiberHERAEUS SCHOTT QUARZSCHMELZE·Filed 1980·Granted Jul 12, 1983·10 cites·11 claims
- 4345US4368846AMelting burner made of vitreous silica for the production of massive vitreous silicaHERAEUS SCHOTT QUARZSCHMELZE·Filed 1980·Granted Jan 18, 1983·9 cites·12 claims
- 4443US4367768ARefractory protective tube for the heat treatment of semiconductor componentsHERAEUS SCHOTT QUARZSCHMELZE·Filed 1980·Granted Jan 11, 1983·5 cites·9 claims
- 4542US4327057AApparatus for the combustion of harmful gasesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1980·Granted Apr 27, 1982·6 cites·6 claims
- 4641US4339311ABaths and processes for electrodepositing palladiumHERAEUS SCHOTT QUARZSCHMELZE·Filed 1980·Granted Jul 13, 1982·8 cites·6 claims
- 4740US4530818ATransparent fused silica bell for purposes relating to semiconductor technologyHERAEUS SCHOTT QUARZSCHMELZE·Filed 1982·Granted Jul 23, 1985·6 cites·3 claims
- 4836US4915474ATransmission line for optical radiation and applications thereofHERAEUS SCHOTT QUARZSCHMELZE·Filed 1988·Granted Apr 10, 1990·6 cites·8 claims
- 4936US4499191AMethod and apparatus for the decomposition of specimens of solid organic substancesHERAEUS SCHOTT QUARZSCHMELZE·Filed 1982·Granted Feb 12, 1985·6 cites·10 claims
- 5032US4964227AApparatus for drying finely divided solidsHERAEUS SCHOTT QUARZSCHMELZE·Filed 1989·Granted Oct 23, 1990·3 cites·12 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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