Inventor

Frank Friedel

Inventor
Leuna, DE

Overview

4→
Patents
2002–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C07CAcyclic or carbocyclic compounds13%
C23CCoating metallic material13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
B05DProcesses for applying fluent materials to surfaces, in general7%
B21BRolling of metal7%
C10GCracking hydrocarbon oils7%
C21DModifying the physical structure of ferrous metals7%
C22CAlloys7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2005Patents assigned to THYSSENKRUPP STAHL AG (2)· patent assignee history
2002Patents assigned to SMS DEMAG AG (1)· patent assignee history
2002–2005Based in Moers, DE· patent location history
2020Patents assigned to SHELL OIL CO (2)· patent assignee history
2020Based in Leuna, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO22020
THYSSENKRUPP STAHL AG22002–2005
SMS DEMAG AG12002
Locations
LocationPatentsSpan
Leuna, DE22020
Moers, DE22002–2005