Patent EP0442765A1 successfully refreshed from Google Patents.
Patent DE890482C successfully refreshed from Google Patents.
DE890482C
Expired / Lapsed
DE
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Polishing rod housing guide (horse head) for deep pump drives
Assignee: Salzgitter Maschinen AG
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Filing: 1949-12-13
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Granted: 1953-09-21
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Expires: 1969-12-13
Abstract
No abstract record available.
Inventors
- 👤 Clemens Holtermann
- 👤 Konrad Muehlenschlaeger
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 10:55
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/12; E21B43/121; E21B43/126; E21B43/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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