Inventor
Johann Leist
Inventor
Altenstadt, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes30%
C03CChemical composition of glasses, glazes or vitreous enamels27%
Y10TTechnical subjects covered by former us classification13%
C30BSingle-crystal growth10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B24CAbrasive or related blasting with particulate material3%
B82YSpecific uses or applications of nanostructures3%
C04BLime, magnesia3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
8,408,027'Method for the production of a composite body from a basic body of opaque quartz glass and a tight sealing layer'20137,350,378'Method for producing rotationally symmetrical quartz glass crucibles'20086,684,664'Process for manufacture of a component made of opaque synthetic quartz glass'20046,672,107'Quartz glass crucible and process for the production thereof'20046,660,671'Method of producing a composite material having a high SiO2 content, composite material obtained according to the method, and permanent mold made thereof'20036,548,131'Quartz glass crucible and process for the manufacture of the crucible'20036,381,987'Process for making opaque quartz glass and opaque component made according to the process'20026,380,110'Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glass'20026,306,489'Quartz glass component for a reactor housing a method of manufacturing same and use thereof'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2013Patents assigned to HERAEUS QUARZGLAS (9)· patent assignee history
2001–2013Based in Altenstadt, DE· patent location history
2013Patents assigned to LEIST JOHANN (1)· patent assignee history
2013Patents assigned to WERDECKER WALTRAUD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HERAEUS QUARZGLAS | 9 | 2001–2013 |
| LEIST JOHANNself | 1 | 2013 |
| WERDECKER WALTRAUD | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Altenstadt, DE | 9 | 2001–2013 |