DE853202C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
For the recovery of heat from the exhaust air for preheating the fresh air, suitable device for room ventilation
Assignee: Individual
•
Filing: 1950-07-26
•
Granted: 1952-10-23
•
Expires: 1970-07-26
Abstract
No abstract record available.
Inventors
- 👤 Hans Studer
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 08:22
CPC Classifications
F; F24; F24F; F24F12/00; F24F12/001; Y; Y02; Y02B; Y02B30/00; Y02B30/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE386899C
Cited
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