Inventor
Waldemar Wolpert
Inventor
Dinslaken, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Bprimary
B21BRolling of metal31%
C21DModifying the physical structure of ferrous metals23%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling8%
B23KSoldering or unsoldering8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C22CAlloys8%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
7,086,264'Combined drive for a four-or-six-high rolling stand and an operating method for the same'20066,284,069'Hot-rolling steel strip'20015,694,799'Hot-rolling process and hot-rolling mill for metal strip'19974,994,118'Process for the production of hot rolled steel or heavy plates'19914,917,969'Process for the production of clad hot rolled strip and the resulting product'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1991Patents assigned to THYSSEN STAHL AG (2)· patent assignee history
1990–2006Based in Dinslaken, DE· patent location history
1997Patents assigned to SCHLOEMANN SIEMAG AG (1)· patent assignee history
2001Patents assigned to THYSSENKRUPP STAHL AG (1)· patent assignee history
2006Patents assigned to SMS DEMAG AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THYSSEN STAHL AG | 2 | 1990–1991 |
| SCHLOEMANN SIEMAG AG | 1 | 1997 |
| SMS DEMAG AG | 1 | 2006 |
| THYSSENKRUPP STAHL AG | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dinslaken, DE | 5 | 1990–2006 |