Inventor
Hans Kolaska
Inventor
Bottrop, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys40%
B22FWorking metallic powder30%
C04BLime, magnesia20%
C23CCoating metallic material10%
PatentTitleYear
6,124,040'Composite and process for the production thereof'20005,670,726'Cermet and method of producing it'19975,403,628'Process for producing a coated hard-metal cutting body'19955,352,533'Ceramic composite body, process for producing a ceramic composite'19945,223,020'Hard-metal body'19935,173,107'Composite hard metal body and process for its production'19924,944,800'Process for producing a sintered hard metal body and sintered hard metal body produced thereby'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to KRUPP WIDIA GMBH (4)· patent assignee history
1990–2000Based in Bottrop, DE· patent location history
1995Patents assigned to KRUPP WIDIE GMBH (1)· patent assignee history
1997–2000Patents assigned to WIDIA GMBH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KRUPP WIDIA GMBH | 4 | 1990–1994 |
| WIDIA GMBH | 2 | 1997–2000 |
| KRUPP WIDIE GMBH | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bottrop, DE | 7 | 1990–2000 |