Inventor

Karl Ernst Friedrich

Inventor

Moers, DE

Overview

6→

Patents

2003–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C21Dprimary

C21DModifying the physical structure of ferrous metals43%

C22CAlloys29%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material7%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers7%

H01FMagnets7%

Y02PClimate change mitigation technologies in the production or processing of goods7%

PatentTitleYear

9,623,473'Method for producing a ring-pull top from a steel sheet provided with a protective layer and a ring-pull top produced thereby'2017 7,658,807'Hot-rolled strip intended for the production of non-grain oriented electrical sheet and a method for the production thereof'2010 7,501,028'Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production'2009 6,773,514'Method for producing non-grain oriented electric sheet steel'2004 6,767,412'Method for producing non-grain-oriented magnetic steel sheet'2004 6,582,528'Method of producing non-grain-oriented electrical sheet'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to THYSSENKRUPP ELECTRICAL STEEL EBG GMBH (1)· patent assignee history

2003–2017Based in Moers, DE· patent location history

2004–2009Patents assigned to THYSSENKRUPP STAHL AG (3)· patent assignee history

2010Patents assigned to THYSSENKRUPP STEEL AG (1)· patent assignee history

2017Patents assigned to THYSSENKRUPP RASSELSTEIN GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
THYSSENKRUPP STAHL AG	3	2004–2009
THYSSENKRUPP ELECTRICAL STEEL EBG GMBH	1	2003
THYSSENKRUPP RASSELSTEIN GMBH	1	2017
THYSSENKRUPP STEEL AG	1	2010

Locations

Location	Patents	Span
Moers, DE	6	2003–2017