Inventor
Joachim Geissler
Inventor
Stammham, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B23KSoldering or unsoldering8%
B41CProcesses for the manufacture or reproduction of printing surfaces8%
C01BNon-metallic elements8%
H01JElectric discharge tubes or discharge lamps8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
5,492,079'Process for producing rods or blocks of semiconductor material and an apparatus for carrying out the process'19964,759,887'Apparatus and process for the manufacture of shaped bodies from silicon granulates'19884,447,289'Process for the manufacture of coarsely crystalline to monocrystalline sheets of semiconductor material'19844,028,523'Energy-beam engraving method and an apparatus for carrying it out'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to STEIGERWALD STRAHLTECH (1)· patent assignee history
1977Based in Munich, DE· patent location history
1984–1988Patents assigned to HELIOTRONIC GMBH (2)· patent assignee history
1984–1996Based in Stammham, DE· patent location history
1996Patents assigned to WACKER CHEMITRONIC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HELIOTRONIC GMBH | 2 | 1984–1988 |
| STEIGERWALD STRAHLTECH | 1 | 1977 |
| WACKER CHEMITRONIC | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stammham, DE | 3 | 1984–1996 |
| Munich, DE | 1 | 1977 |