Inventor

Erling Roller

Inventor
Essen, DE

Overview

10→
Patents
1980–2003
Patent span
Performing operations
Primary field (CPC B)

Patents· 10 as inventor

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

B22Dprimary
B22DCasting of metals58%
B21BRolling of metal17%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling17%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1986Patents assigned to KRUPP GMBH (3)· patent assignee history
1980–2003Based in Essen, DE· patent location history
1987–1988Patents assigned to IMI REFINERS LTD (2)· patent assignee history
1997–1999Patents assigned to MANNESMANN AG (3)· patent assignee history
2002Patents assigned to SMS DEMAG AG (1)· patent assignee history
2003Patents assigned to SMS MEER GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KRUPP GMBH31980–1986
MANNESMANN AG31997–1999
IMI REFINERS LTD21987–1988
SMS DEMAG AG12002
SMS MEER GMBH12003
Locations
LocationPatentsSpan
Essen, DE101980–2003