CH97686A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the production of finned tubes for heat exchange devices, the fins of which are disk-shaped and have a beaded edge.
Assignee: Winkelmueller Fritz
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Filing: 1921-07-20
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Granted: —
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Expires: 1941-07-20
Abstract
No abstract record available.
Inventors
- 👤 Winkelmueller Fritz
- 👤 Winkelmueller Karl
- 👤 Winkelmueller Johann
- 👤 Winkelmueller Max
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-07 17:54
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; B21C37/24
Claims Analysis
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References Cited (Backward Citations)
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