CH383280A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Method and device for introducing gases into liquids, in particular for aeration of waste water, preferably in activated sludge systems
Assignee: Passavant Werke
•
Filing: 1960-05-09
•
Granted: —
•
Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Auler Herbert
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 16:09
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/231; B01F23/23105; B01F23/2312; B01F23/23122; C12; C12M; C12M29/00; C12M29/06; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.