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Inventor

Holger Haddenhorst

Inventor
Gelsenkirchen, DE

Overview

2→
Patents
2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B22Dprimary
B22DCasting of metals25%
C22BProduction and refining of metals25%
C22CAlloys25%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys25%
PatentTitleYear
6,773,666'Al-Si-Mg-Mn casting alloy and method'20046,733,566'Petroleum coke melt cover for aluminum and magnesium alloys'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to ALCOA INC (2)· patent assignee history
2004Based in Gelsenkirchen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCOA INC22004
Locations
LocationPatentsSpan
Gelsenkirchen, DE22004