Inventor · disambiguated record
Walter Lehmann
Also filed as: LEHMANN WALTER · LEHMANN WALTER E
24 granted patents·14 pending applications·81 citations·filing 1997–2024
92Inventor score
Files withHERAEUS QUARZGLAS32LEHMANN WALTER2FRONTIER REFRIGERATION AND AIR1Heraeys Quarzglas GmbH & Co KG1KAYSER THOMAS1
Top patents by PatentIndex Score
38 records- 0190US9580348B2Method for producing synthetic quartz glass granulesHERAEUS QUARZGLAS·Filed 2013·Granted Feb 28, 2017·8 cites·22 claims
- 0285US11485671B2Method for homogenizing glassHERAEUS QUARZGLAS·Filed 2019·Granted Nov 1, 2022·1 cites·13 claims
- 0382US12246981B2Method for homogenizing glassHERAEUS QUARZGLAS·Filed 2022·Granted Mar 11, 2025·0 cites·4 claims
- 0482US10336645B2Rare earth metal-doped quartz glass and method for producing the sameHERAEUS QUARZGLAS·Filed 2017·Granted Jul 2, 2019·2 cites·11 claims
- 0579US5839295ARefrigeration/heat pump moduleFRONTIER REFRIGERATION AND AIR·Filed 1997·Granted Nov 24, 1998·53 cites·18 claims
- 0676US10730780B2Preparation of a quartz glass body in a multi-chamber ovenHERAEUS QUARZGLAS·Filed 2016·Granted Aug 4, 2020·1 cites·14 claims
- 0775US10618833B2Preparation of a synthetic quartz glass grainHERAEUS QUARZGLAS·Filed 2016·Granted Apr 14, 2020·1 cites·11 claims
- 0872US11708290B2Preparation of a quartz glass body in a multi-chamber ovenHERAEUS QUARZGLAS·Filed 2020·Granted Jul 25, 2023·0 cites·19 claims
- 0972US7637126B2Method for the production of laser-active quartz glass and use thereofHERAEUS QUARZGLAS·Filed 2004·Granted Dec 29, 2009·13 cites·18 claims
- 1069US10287705B2Pulling a semiconductor single crystal according to the Czochralski method and silica glass crucible suitable thereforHERAEUS QUARZGLAS·Filed 2017·Granted May 14, 2019·0 cites·26 claims
- 1169US8347650B2Method of producing a quartz glass crucibleHERAEUS QUARZGLAS·Filed 2009·Granted Jan 8, 2013·1 cites·13 claims
- 1265US2025051222A1Tubular composite body made of quartz glass and method for producing and using the sameHERAEUS QUARZGLAS·Filed 2024·Application pending·0 cites
- 1364US2025051223A1Device for holding a tubular sio2 blank in an external deposition process and method for manufacturing a tubular sio2 blankHERAEUS QUARZGLAS·Filed 2024·Application pending·0 cites
- 1462US8789391B2Method and apparatus for producing a crucible of quartz glassKAYSER THOMAS·Filed 2009·Granted Jul 29, 2014·1 cites·11 claims
- 1561US11459262B2Method and device for homogenizing glassHERAEUS QUARZGLAS·Filed 2019·Granted Oct 4, 2022·0 cites·5 claims
- 1660US2025051211A1Tubular composite body of quartz glass and method for producing and using the sameHERAEUS QUARZGLAS·Filed 2024·Application pending·0 cites
- 1759US12246982B2Process for the preparation of synthetic quartz glassHERAEUS QUARZGLAS·Filed 2021·Granted Mar 11, 2025·0 cites·7 claims
- 1856US12060293B2Process for the preparation of synthetic quartz glassHERAEUS QUARZGLAS·Filed 2021·Granted Aug 13, 2024·0 cites·7 claims
- 1954US10851008B2Method for producing a component of rare earth metal-doped quartz glassHERAEUS QUARZGLAS·Filed 2018·Granted Dec 1, 2020·0 cites·17 claims
- 2054US2022185716A1Process for the preparation of synthetic quartz glassHERAEUS QUARZGLAS·Filed 2021·Application pending·0 cites
- 2152US11299417B2Preparation of a quartz glass body in a melting crucible of refractory metalHERAEUS QUARZGLAS·Filed 2016·Granted Apr 12, 2022·0 cites·10 claims
- 2252US9856576B2Pulling a semiconductor single crystal according to the Czochralski methodHERAEUS QUARZGLAS·Filed 2013·Granted Jan 2, 2018·0 cites·22 claims
- 2351US11512017B2Method and apparatus for producing a glass componentHERAEUS QUARZGLAS·Filed 2020·Granted Nov 29, 2022·0 cites·14 claims
- 2449US9409810B2Method for producing synthetic quartz glass granulesHERAEUS QUARZGLAS·Filed 2013·Granted Aug 9, 2016·0 cites·24 claims
- 2546US2015052948A1Method for producing a molded body from an electrically melted synthetic quartz glassHeraeys Quarzglas GmbH & Co KG·Filed 2013·Application pending·0 cites
- 2645US11492285B2Preparation of quartz glass bodies from silicon dioxide granulateHERAEUS QUARZGLAS·Filed 2016·Granted Nov 8, 2022·0 cites·16 claims
- 2744US2019152827A1Preparation of quartz glass bodies from silicon dioxide powderHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 2843US2019062194A1Steam treatment of silicon dioxide powder in the preparation of quartz glassHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 2943US2019071342A1Preparation and post-treatment of a quartz glass bodyHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 3043US2018370838A1Ammonia treatment of silicon dioxide powder in the preparation of quartz glassHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 3143US2019077688A1Preparation of a quartz glass body in a hanging metal sheet crucibleHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 3242US9003832B2Method of making a silica crucible in a controlled atmosphereKEMMOCHI KATSUHIKO·Filed 2009·Granted Apr 14, 2015·0 cites·35 claims
- 3341US8387413B2Method for producing a component with a layer of transparent quartz glassLEHMANN WALTER·Filed 2010·Granted Mar 5, 2013·0 cites·11 claims
- 3441US2019092676A1Preparation of a quartz glass body in a hanging sinter crucibleHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 3540US2019077672A1Reducing carbon content of silicon dioxide granulate and the preparation of a quartz glass bodyHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 3638US9828691B2Silicon block, method for producing the same, crucible of transparent or opaque fused silica suited for performing the method, and method for the production thereofHERAEUS QUARZGLAS·Filed 2015·Granted Nov 28, 2017·0 cites·8 claims
- 3738US2019031554A1Preparation of a quartz glass body in a standing sinter crucibleHERAEUS QUARZGLAS·Filed 2016·Application pending·0 cites
- 3836US2013219963A1Method for producing synthetic quartz glass granulesLEHMANN WALTER·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →