Inventor · disambiguated record
Johann Leist
Also filed as: LEIST JOHANN
9 granted patents·1 pending application·281 citations·filing 1998–2008
90Inventor score
Top patents by PatentIndex Score
10 records- 0196US6548131B1Quartz glass crucible and process for the manufacture of the crucibleHERAEUS QUARZGLAS·Filed 2000·Granted Apr 15, 2003·82 cites·20 claims
- 0288US6672107B2Quartz glass crucible and process for the production thereofHERAEUS QUARZGLAS·Filed 2000·Granted Jan 6, 2004·30 cites·28 claims
- 0387US6380110B1Process 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
- 0487US6306489B1Quartz 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
- 0579US7350378B2Method for producing rotationally symmetrical quartz glass cruciblesHERAEUS QUARZGLAS·Filed 2001·Granted Apr 1, 2008·11 cites·21 claims
- 0676US6381987B1Process for making opaque quartz glass and opaque component made according to the processHERAEUS QUARZGLAS·Filed 2000·Granted May 7, 2002·10 cites·8 claims
- 0769US6660671B2Method of producing a composite material having a high SiO2 content, composite material obtained according to the method, and permanent mold made thereofHERAEUS QUARZGLAS·Filed 2002·Granted Dec 9, 2003·26 cites·13 claims
- 0866US6684664B2Process for manufacture of a component made of opaque synthetic quartz glassHERAEUS QUARZGLAS·Filed 2001·Granted Feb 3, 2004·12 cites·17 claims
- 0954US8408027B2Method for the production of a composite body from a basic body of opaque quartz glass and a tight sealing layerWERDECKER WALTRAUD·Filed 2008·Granted Apr 2, 2013·0 cites·26 claims
- 1036US2004115440A1Quartz glass component and method for the production thereofFiled 2002·Application pending·0 cites
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