Inventor
Thomas Altmann
Inventor
Haiming, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing35%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1035%
Y10TTechnical subjects covered by former us classification10%
B08BCleaning in general5%
B23BTurning5%
C01BNon-metallic elements5%
C11DDetergent compositions5%
PatentTitleYear
10,711,224Compositions and methods useful for removing tablet coatings20207,927,571'Method and device for producing high purity polycrystalline silicon with a reduced dopant content'20117,631,407'Machine tool and method for cutting machining of work pieces'20096,899,762'Epitaxially coated semiconductor wafer and process for producing it'20056,861,360'Double-sided polishing process for producing a multiplicity of silicon semiconductor wafers'20056,793,837'Process for material-removing machining of both sides of semiconductor wafers'20046,645,862'Double-side polishing process with reduced scratch rate and device for carrying out the process'20036,583,050'Semiconductor wafer with improved flatness, and process for producing the semiconductor wafer'20036,514,424'Process for the double-side polishing of semiconductor wafers and carrier for carrying out the process'20036,458,688'Semiconductor wafer with improved flatness, and process for producing the semiconductor wafer'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Patents assigned to WACKER SILTRONIC HALBLEITERMAT (3)· patent assignee history
2002–2005Based in Burghausen, DE· patent location history
2003–2011Based in Haiming, DE· patent location history
2004–2005Patents assigned to SILTRONIC AG (3)· patent assignee history
2009Patents assigned to STAMA MASCHINENFABRIK GMBH (1)· patent assignee history
2009Based in Lauterstein, DE· patent location history
2011Patents assigned to WACKER CHEMIE AG (1)· patent assignee history
2020Patents assigned to ECOLAB USA INC (1)· patent assignee history
2020Based in Dormagen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SILTRONIC AG | 3 | 2004–2005 |
| WACKER SILTRONIC HALBLEITERMAT | 3 | 2002–2003 |
| ECOLAB USA INC | 1 | 2020 |
| STAMA MASCHINENFABRIK GMBH | 1 | 2009 |
| WACKER CHEMIE AG | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Haiming, DE | 5 | 2003–2011 |
| Burghausen, DE | 3 | 2002–2005 |
| Dormagen, DE | 1 | 2020 |
| Lauterstein, DE | 1 | 2009 |