← Back to Patent Explorer
DE401052C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process and device for promoting methane production in sludge digesters of waste water treatment plants

Assignee: GERHARDT STRASSBURGER
•
Filing: 1922-09-19
•
Granted: 1924-08-25
•
Expires: 1942-09-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-27 21:22
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28; Y; Y02; Y02E; Y02E50/00; Y02E50/30

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag