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Inventor

Rolf Eichenwald

Inventor
Setauket, NY, US

Overview

3→
Patents
1987
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters50%
H02KDynamo-electric machines25%
H03KPulse technique25%
PatentTitleYear
4,709,199'Velocity feedback control of step motors'19874,675,547'High power transistor base drive circuit'19874,647,824'Output voltage control for a DC servo amplifier'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to KOLLMORGEN TECH CORP (2)· patent assignee history
1987Patents assigned to EICHENWALD ROLF (1)· patent assignee history
1987Patents assigned to WANG XIAN T (1)· patent assignee history
1987Based in Setauket, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOLLMORGEN TECH CORP21987
EICHENWALD ROLFself11987
WANG XIAN T11987
Locations
LocationPatentsSpan
Setauket, New York, US31987