Patent DE332440C successfully refreshed from Google Patents.
← Back to Patent Explorer
DE332440C Expired / Lapsed DE ⏱️ 0.0 years remaining

Control device for electric motors for automatic control of furnaces

Assignee: Siemens Schuckertwerke AG
•
Filing: 1918-09-05
•
Granted: 1921-02-05
•
Expires: 1938-09-05
📄 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 2026-11-04 15:39
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/04; F; F23; F23N; F23N1/00; F23N5/00; F23N5/26; G; G05; G05B; G05B11/00; G05B11/01; G05B11/36; G05B11/42; G05D; G05D23/00; G05D23/19; G05D23/30; G05D23/32; H05; H05B; H05B7/00; H05B7/02; H05B7/144; H05B7/148; Y; Y02; Y02P; Y02P10/00; Y02P10/25

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