Assignee
HERAEUS QUARZGLAS
DE·223 granted patents·64 pending applications·2,491 citations·filing 1990–2025
Top patents by PatentIndex Score
287 records- 0196US6548131B1Quartz glass crucible and process for the manufacture of the crucibleHERAEUS QUARZGLAS·Filed 2000·Granted Apr 15, 2003·82 cites·20 claims
- 0295US6869898B2Quartz glass jig for processing apparatus using plasmaHERAEUS QUARZGLAS·Filed 2001·Granted Mar 22, 2005·79 cites·8 claims
- 0395US5785729AMethod for manufacturing large-sized quartz glass tubeHERAEUS QUARZGLAS·Filed 1997·Granted Jul 28, 1998·70 cites·4 claims
- 0494US6451719B1Silica glass optical material for excimer laser and excimer lamp, and method for producing the sameHERAEUS QUARZGLAS·Filed 2000·Granted Sep 17, 2002·39 cites·37 claims
- 0593US6360563B1Process for the manufacture of quartz glass granulateHERAEUS QUARZGLAS·Filed 2000·Granted Mar 26, 2002·51 cites·26 claims
- 0693US6047564AMethod of producing quartz glass bodiesHERAEUS QUARZGLAS·Filed 1997·Granted Apr 11, 2000·69 cites·13 claims
- 0791US6143676ASynthetic silica glass used with uv-rays and method producing the sameHERAEUS QUARZGLAS·Filed 1998·Granted Nov 7, 2000·76 cites·40 claims
- 0890US9580348B2Method for producing synthetic quartz glass granulesHERAEUS QUARZGLAS·Filed 2013·Granted Feb 28, 2017·8 cites·22 claims
- 0989US11834362B2Method for producing multilayered silica glass bodyHERAEUS QUARZGLAS·Filed 2019·Granted Dec 5, 2023·2 cites·7 claims
- 1089US9960410B2Method for producing composite powder, and for a porous composite material for electrochemical electrodes that is produced using the composite powderHERAEUS QUARZGLAS·Filed 2013·Granted May 1, 2018·7 cites·19 claims
- 1189US7955715B2Method for coating a component for use in a crucible drawing method for quartz glass, and coated component obtained according to the methodHERAEUS QUARZGLAS·Filed 2006·Granted Jun 7, 2011·14 cites·24 claims
- 1289US6849242B1Porous silica granule, method for producing the same, and method for producing synthetic quartz glass powder using the porous silica granuleHERAEUS QUARZGLAS·Filed 2000·Granted Feb 1, 2005·60 cites·40 claims
- 1388US10468712B2Porous carbon particles having a core/shell structure, and method for producing sameHERAEUS QUARZGLAS·Filed 2015·Granted Nov 5, 2019·3 cites·8 claims
- 1488US9272942B2Method for producing synthetic quartz glass and quartz glass for use as cladding material of an optical fiberHERAEUS QUARZGLAS·Filed 2012·Granted Mar 1, 2016·11 cites·9 claims
- 1588US8017536B2Component of quartz glass for use in semiconductor manufacture and method for producing the sameHERAEUS QUARZGLAS·Filed 2007·Granted Sep 13, 2011·13 cites·26 claims
- 1688US7312170B2Optical synthetic quartz glass and method for producing the sameHERAEUS QUARZGLAS·Filed 2004·Granted Dec 25, 2007·16 cites·3 claims
- 1788US6672107B2Quartz glass crucible and process for the production thereofHERAEUS QUARZGLAS·Filed 2000·Granted Jan 6, 2004·30 cites·28 claims
- 1887US6473227B1Silica glass optical material for projection lens to be utilized in vacuum ultraviolet radiation lithography, method for producing the same, and projection lensHERAEUS QUARZGLAS·Filed 2000·Granted Oct 29, 2002·16 cites·25 claims
- 1987US6380110B1Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glassHERAEUS QUARZGLAS·Filed 2000·Granted Apr 30, 2002·35 cites·13 claims
- 2087US6306489B1Quartz glass component for a reactor housing a method of manufacturing same and use thereofHERAEUS QUARZGLAS·Filed 1998·Granted Oct 23, 2001·75 cites·23 claims
- 2186US9718690B2Method for producing a porous carbon productHERAEUS QUARZGLAS·Filed 2014·Granted Aug 1, 2017·6 cites·8 claims
- 2286US7891213B2Vertical drawing method for producing a cylindrical glass body and device for carrying out said methodHERAEUS QUARZGLAS·Filed 2004·Granted Feb 22, 2011·22 cites·22 claims
- 2386US5609666AProcess of producing preforms for silica glass optical waveguides while flowing gas through a tubular substrateHERAEUS QUARZGLAS·Filed 1993·Granted Mar 11, 1997·37 cites·7 claims
- 2485US11485671B2Method for homogenizing glassHERAEUS QUARZGLAS·Filed 2019·Granted Nov 1, 2022·1 cites·13 claims
- 2585US9878933B2Method for the manufacture of doped quartz glassHERAEUS QUARZGLAS·Filed 2015·Granted Jan 30, 2018·3 cites·12 claims
- 2685US5736206AMolded body of quartz glass and process for the production of a molded body of quartz glassHERAEUS QUARZGLAS·Filed 1994·Granted Apr 7, 1998·57 cites·22 claims
- 2785US5665132AProcess for the sintering of hollow cylinders of silicon dioxide sootHERAEUS QUARZGLAS·Filed 1995·Granted Sep 9, 1997·35 cites·6 claims
- 2884US12428332B2Method for producing a preform of an anti-resonant hollow-core fiberHERAEUS QUARZGLAS·Filed 2021·Granted Sep 30, 2025·1 cites·15 claims
- 2984US12099234B2Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiberHERAEUS QUARZGLAS·Filed 2020·Granted Sep 24, 2024·2 cites·20 claims
- 3084US7981824B2Quartz glass blank and method for producing said blankHERAEUS QUARZGLAS·Filed 2005·Granted Jul 19, 2011·8 cites·13 claims
- 3184USRE41249EQuartz glass body having improved resistance against plasma corrosion, and method for production thereofHERAEUS QUARZGLAS·Filed 2006·Granted Apr 20, 2010·4 cites·27 claims
- 3284US6484540B1Method for welding a quartz glass tube for use as an optical fiber preformHERAEUS QUARZGLAS·Filed 1999·Granted Nov 26, 2002·38 cites·16 claims
- 3384US5837024AProcess for the production of quartz glass bodiesHERAEUS QUARZGLAS·Filed 1997·Granted Nov 17, 1998·35 cites·4 claims
- 3484US5788730AProcess and apparatus for the production of a quartz glass blankHERAEUS QUARZGLAS·Filed 1996·Granted Aug 4, 1998·37 cites·14 claims
- 3584US5674792AShaped body having a high silicon dioxide content and a process for producing such shaped bodiesHERAEUS QUARZGLAS·Filed 1996·Granted Oct 7, 1997·44 cites·9 claims
- 3683US10508973B2Method for determining the refractive index profile of a cylindrical optical object, particularly a preform for an optical fiberHERAEUS QUARZGLAS·Filed 2017·Granted Dec 17, 2019·6 cites·13 claims
- 3783US6106610AQuartz glass crucible for producing silicone single crystal and method for producing the crucibleHERAEUS QUARZGLAS·Filed 1998·Granted Aug 22, 2000·33 cites·16 claims
- 3883US5837334ALarge sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiberHERAEUS QUARZGLAS·Filed 1996·Granted Nov 17, 1998·44 cites·3 claims
- 3982US12246981B2Method for homogenizing glassHERAEUS QUARZGLAS·Filed 2022·Granted Mar 11, 2025·0 cites·4 claims
- 4082US10732519B2Mirror blank for EUV lithography without expansion under EUV radiationHERAEUS QUARZGLAS·Filed 2014·Granted Aug 4, 2020·3 cites·20 claims
- 4182US10336645B2Rare earth metal-doped quartz glass and method for producing the sameHERAEUS QUARZGLAS·Filed 2017·Granted Jul 2, 2019·2 cites·11 claims
- 4282US9957185B2Method and apparatus for producing a tube of glassHERAEUS QUARZGLAS·Filed 2016·Granted May 1, 2018·2 cites·13 claims
- 4382US7749930B2Holder made from quartz glass for the processing of semiconductor wafers and method for production of the holderHERAEUS QUARZGLAS·Filed 2006·Granted Jul 6, 2010·7 cites·17 claims
- 4482US6508084B1Method for producing optical quartz glass for excimer lasers and vertical-type heating furnaceHERAEUS QUARZGLAS·Filed 2000·Granted Jan 21, 2003·12 cites·5 claims
- 4582US5769921AMethod of producing quartz glass bodyHERAEUS QUARZGLAS·Filed 1996·Granted Jun 23, 1998·32 cites·5 claims
- 4682US5637284AProcess for continuous refining of quartz powderHERAEUS QUARZGLAS·Filed 1996·Granted Jun 10, 1997·48 cites·9 claims
- 4781US11952303B2Increase in silicon content in the preparation of quartz glassHERAEUS QUARZGLAS·Filed 2016·Granted Apr 9, 2024·2 cites·20 claims
- 4881US9481108B2Method for producing a quartz-glass hollow cylinderHERAEUS QUARZGLAS·Filed 2013·Granted Nov 1, 2016·8 cites·10 claims
- 4981US5443607AProcess for the production of a homogeneous ream-free body made of quartz glassHERAEUS QUARZGLAS·Filed 1993·Granted Aug 22, 1995·39 cites·13 claims
- 5080US6796439B2Vertical type wafer supporting jigHERAEUS QUARZGLAS·Filed 2002·Granted Sep 28, 2004·35 cites·12 claims
Showing the top 50 of 287 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when HERAEUS QUARZGLAS files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →