Inventor
Heinz Gunter Klein
Inventor
Cologne, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Mprimary
A61MDevices for introducing media into, or onto, the body20%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers20%
C03CChemical composition of glasses, glazes or vitreous enamels20%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing20%
C25DProcesses for the electrolytic or electrophoretic production of coatings20%
PatentTitleYear
7,234,460'Metering valve for a metered dose inhaler providing consistent delivery'20074,919,680'High-extraction chrome tanning process'19904,055,458'Etching glass with HF and fluorine-containing surfactant'19774,006,064'Process for the electrodeposition of chrome plate using fluorine-containing wetting agents'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1990Patents assigned to BAYER AG (3)· patent assignee history
1977Based in Cologne, DE· patent location history
1990Based in Bergisch Gladbach, DE· patent location history
2007Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
2007Based in Bonn, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 3 | 1977–1990 |
| 3M INNOVATIVE PROPERTIES CO | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cologne, DE | 2 | 1977 |
| Bonn, DE | 1 | 2007 |
| Bergisch Gladbach, DE | 1 | 1990 |