Inventor
Wolfgang Krumbe
Inventor
Leichlingen, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements15%
C30BSingle-crystal growth15%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds8%
C03CChemical composition of glasses, glazes or vitreous enamels8%
C04BLime, magnesia8%
C08CTreatment or chemical modification of rubbers8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C08LCompositions of macromolecular compounds8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
PatentTitleYear
8,975,361'Process for the production of water and solvent-free polymers'20156,165,425'Melting pot with silicon protective layers, method for applying said layer and the use thereof'20006,013,872'Directionally solidified, multicrystalline silicon, a process for the production thereof and its use, and solar cells containing this silicon and a process for the production thereof'20005,039,632'SI C powder, a process for its production and its use'19914,948,762'Process for the preparation of finely divided carbides and nitrides from ceramic precursor-compounds'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2000Patents assigned to BAYER AG (4)· patent assignee history
1990–1991Based in Krefeld, DE· patent location history
2000–2015Based in Leichlingen, DE· patent location history
2015Patents assigned to FELLER ROLF (1)· patent assignee history
2015Patents assigned to KLOPPENBURG HEIKE (1)· patent assignee history
2015Patents assigned to KRUMBE WOLFGANG (1)· patent assignee history
2015Patents assigned to LANXESS DEUTSCHLAND GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 4 | 1990–2000 |
| FELLER ROLF | 1 | 2015 |
| KLOPPENBURG HEIKE | 1 | 2015 |
| KRUMBE WOLFGANGself | 1 | 2015 |
| LANXESS DEUTSCHLAND GMBH | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leichlingen, DE | 3 | 2000–2015 |
| Krefeld, DE | 2 | 1990–1991 |