Inventor
Wolfgang Englisch
Inventor
Kelkheim, DE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes20%
C03CChemical composition of glasses, glazes or vitreous enamels20%
C30BSingle-crystal growth8%
B22CFoundry moulding6%
C04BLime, magnesia6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
7,981,824'Quartz glass blank and method for producing said blank'20116,548,131'Quartz glass crucible and process for the manufacture of the crucible'20036,209,354'Method of preparing silica glass article'20015,970,746'Method for preparing silica glass article'19995,866,062'Process for producing shaped bodies of silicon dioxide'19995,831,309'Semiconductor element for an electronic or opto-electronic semiconductor component'19985,790,315'Synthetic silica glass formed article for optical use'19985,736,206'Molded body of quartz glass and process for the production of a molded body of quartz glass'19985,674,792'Shaped body having a high silicon dioxide content and a process for producing such shaped bodies'19975,643,347'Process for manufacture of silica granules'19975,443,607'Process for the production of a homogeneous ream-free body made of quartz glass'19954,956,059'Process for the purification of granular silicon dioxide'19904,842,628'Method of verifying a porous article made out of glass soot and furnace for carrying out the method'19894,025,790'Method for separating isotopes by means of lasers'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to URANIT GMBH (1)· patent assignee history
1977–2011Based in Kelkheim, DE· patent location history
1989–1990Patents assigned to HERAEUS SCHOTT QUARZSCHMELZE (2)· patent assignee history
1995–2011Patents assigned to HERAEUS QUARZGLAS (8)· patent assignee history
1998–2001Patents assigned to HARAEUS QUARZGLAS GMBH (3)· patent assignee history
1998–2001Patents assigned to SHINETSU QUARTZ PROD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HERAEUS QUARZGLAS | 8 | 1995–2011 |
| HARAEUS QUARZGLAS GMBH | 3 | 1998–2001 |
| SHINETSU QUARTZ PROD | 3 | 1998–2001 |
| HERAEUS SCHOTT QUARZSCHMELZE | 2 | 1989–1990 |
| URANIT GMBH | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kelkheim, DE | 14 | 1977–2011 |