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Inventor

Manfred Trefalt

Inventor
Wien, AT

Overview

2→
Patents
1993–1997
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.

F02Dprimary
F02DControlling combustion engines50%
G05BControl or regulating systems in general25%
Y02TClimate change mitigation technologies related to transportation25%
PatentTitleYear
5,640,075'Method for controlling a stepping motor'19975,247,217'Safety system for a stepper-motor drive'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to SIEMENS AG (1)· patent assignee history
1993Based in Vienna, AT· patent location history
1997Patents assigned to SIEMENS SKTIENGESELLSCHAFT (1)· patent assignee history
1997Based in Wien, AT· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AG11993
SIEMENS SKTIENGESELLSCHAFT11997
Locations
LocationPatentsSpan
Wien, AT11997
Vienna, AT11993