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Inventor

Alfredo Lietz

Inventor
Frechen, DE

Overview

2→
Patents
2003
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Hprimary
H01HElectric switches50%
B22FWorking metallic powder25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
6,574,864'Method for manufacturing a contact arrangement for a vacuum switching tube'20036,524,525'Method for producing a contact material for contact pieces for vacuum switch devices, and a contact material and contact pieces therefor'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to MOELLER GMBH (2)· patent assignee history
2003Patents assigned to METALOR TECHNOLOGIES INT (1)· patent assignee history
2003Based in Frechen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOELLER GMBH22003
METALOR TECHNOLOGIES INT12003
Locations
LocationPatentsSpan
Frechen, DE22003