Inventor
Rolf Waltenspuhl
Inventor
Hunenberg, CH
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Dprimary
B22DCasting of metals92%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace8%
PatentTitleYear
6,092,701'Fireproof plate and a clamping device for a sliding gate at the outlet of a vessel containing molten metal'20006,045,015'Coupling for a linear actuator and a sliding valve unit for a sliding gate valve of a molten metal vessel'20005,620,627'Discharge assembly and stator and rotor members thereof with two part construction'19975,284,278'Shut off plate assembly for slide gate'19945,223,157'Regulating device for regulating the flow of molten metal from a metallurgical vessel'19935,097,995'Flow starting tube for initiating the flow of molten material from a vessel'19925,085,356'Refractory shutoff assembly and rotor and stator therefor'19925,078,306'Refractory valve unit for controlling the discharge of molten metal in a metallurgical vessel'19925,019,159'Process and apparatus for the introduction of gas into a discharge opening of a metallurgical container containing molten metal'19914,708,327'Discharge nozzle assembly and methods of formation and operation thereof'19874,630,668'Integral casting apparatus for use in continuous casting of molten metal'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2000Patents assigned to STOPINC AG (10)· patent assignee history
1986Based in Zug, CH· patent location history
1987–2000Based in Hunenberg, CH· patent location history
1992–2000Patents assigned to DIDIER WERKE AG (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STOPINC AG | 10 | 1986–2000 |
| DIDIER WERKE AG | 3 | 1992–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hunenberg, CH | 10 | 1987–2000 |
| Zug, CH | 1 | 1986 |