LexDanaLexDanabeta
Inventor

Michael Friedrich

Inventor
Frankfurt am Main, DE

Overview

2→
Patents
1985–2011
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F01Kprimary
F01KSteam engine plants14%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application14%
F28GCleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes or boilers14%
G01RMeasuring electric variables14%
G08BSignalling systems, e.g. personal calling systems14%
H01FMagnets14%
H03KPulse technique14%
PatentTitleYear
8,069,003'Monitoring of heat exchangers in process control systems'20114,525,699'Electronic monitoring system with malfunction indicator'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to IFM ELECTRONIC GMBH (1)· patent assignee history
1985Based in Kressbronn, DE· patent location history
2011Patents assigned to FRIEDRICH MICHAEL (1)· patent assignee history
2011Patents assigned to GRIEB HERBERT (1)· patent assignee history
2011Patents assigned to MUELLER-HEINZERLING THOMAS (1)· patent assignee history
2011Patents assigned to PFEIFFER BERND-MARKUS (1)· patent assignee history
2011Based in Frankfurt am Main, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FRIEDRICH MICHAELself12011
GRIEB HERBERT12011
IFM ELECTRONIC GMBH11985
MUELLER-HEINZERLING THOMAS12011
PFEIFFER BERND-MARKUS12011
Locations
LocationPatentsSpan
Frankfurt am Main, DE12011
Kressbronn, DE11985