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Inventor

Alfred Ludwig

Inventor
Winterthur, CH

Overview

4→
Patents
1979–2007
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling25%
B23KSoldering or unsoldering25%
B23PMetal-working not otherwise provided for25%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure25%
PatentTitleYear
7,234,360'TMR sensor'20076,988,414'Sensor device having a magnetostrictive force sensor'20064,253,006'Apparatus and method for internally weld-cladding pipe elbows'19814,165,245'Method for the fabrication of internally weld-cladded pipe elbows'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1981Patents assigned to SULZER AG (2)· patent assignee history
1979–1981Based in Winterthur, CH· patent location history
2006–2007Patents assigned to INFINEON TECHNOLOGIES AG (2)· patent assignee history
2006Based in Dachau, DE· patent location history
2007Based in Bonn, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INFINEON TECHNOLOGIES AG22006–2007
SULZER AG21979–1981
Locations
LocationPatentsSpan
Winterthur, CH21979–1981
Bonn, DE12007
Dachau, DE12006