Inventor
Gunter Schwab
Inventor
Emmerting, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1039%
C30BSingle-crystal growth11%
F01DNon-positive displacement machines or engines, e.g. steam turbines11%
B01FMixing, e.g. dissolving, emulsifying or dispersing6%
B08BCleaning in general6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
G05GControl devices or systems insofar as characterised by mechanical features only6%
H01HElectric switches6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
7,829,467'Method for producing a polished semiconductor'20107,083,741'Process and device for the wet-chemical treatment of silicon'20066,767,841'Process for producing a semiconductor wafer'20046,610,213'Process for the wet chemical treatment of a semiconductor wafer'20036,530,381'Process for the wet-chemical surface treatment of a semiconductor wafer'20035,587,046'Process for treating semiconductor material with an acid-containing fluid'19965,451,267'Process for the wet-chemical treatment of disk-shaped workpieces'19954,837,413'Rotary switch'19894,102,600'Moving blade ring of high circumferential speed for thermal axially passed through turbines'19784,080,102'Moving blade row of high peripheral speed for thermal axial-flow turbo machines'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to MASCHF AUGSBURG NUERNBERG AG (2)· patent assignee history
1978Based in Nuremberg, DE· patent location history
1989Patents assigned to STANDARD ELEKTRIK LORENZ AG (1)· patent assignee history
1989Based in Pforzheim, DE· patent location history
1995Patents assigned to WACKER CHEMITRONIC (1)· patent assignee history
1995–2004Based in Emmerting, DE· patent location history
2003Patents assigned to WACKER SILTRONIC HALBLEITERMAT (2)· patent assignee history
2004–2010Patents assigned to SILTRONIC AG (3)· patent assignee history
2006–2010Based in Neuötting, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SILTRONIC AG | 3 | 2004–2010 |
| MASCHF AUGSBURG NUERNBERG AG | 2 | 1978 |
| WACKER SILTRONIC HALBLEITERMAT | 2 | 2003 |
| STANDARD ELEKTRIK LORENZ AG | 1 | 1989 |
| WACKER CHEMITRONIC | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Emmerting, DE | 5 | 1995–2004 |
| Neuötting, DE | 2 | 2006–2010 |
| Nuremberg, DE | 2 | 1978 |
| Pforzheim, DE | 1 | 1989 |