Patent DE687022C successfully refreshed from Google Patents.
DE687022C
Expired / Lapsed
DE
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Rotary piston internal combustion engine with two conical piston support disks rolling on one another and with pistons extending between the two
Assignee: Individual
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Filing: 1937-06-17
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Granted: 1940-01-20
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Expires: 1957-06-17
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Fink
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 12:11
CPC Classifications
B; B60; B60K; B60K6/00; B60K6/20; B60K6/42; B60K6/48; B60K6/485; B60K6/22; B60K6/24; F; F01; F01C; F01C9/00; F01C9/002; F02; F02B; F02B53/00; F02B2730/00; F02B2730/03; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T10/60; Y02T10/62
Claims Analysis
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References Cited (Backward Citations)
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