LexDanaLexDanabeta
Inventor

Ralf Andreas Schellhaas

Inventor
Cologne, DE

Overview

4→
Patents
2003–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B60Bprimary
B60BVehicle wheels17%
B60GVehicle suspension arrangements17%
F16DCouplings for transmitting rotation17%
Y10TTechnical subjects covered by former us classification17%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material8%
C21DModifying the physical structure of ferrous metals8%
F16FSprings8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
11,052,716Motor vehicle axle20219,315,087'Torsion profile for a twist beam axle and correspondingly equipped vehicle'20166,922,897'Ball cage'20056,557,257'Method for reducing hard machining time of a constant velocity joint'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to VISTEON GLOBAL TECH INC (1)· patent assignee history
2003–2016Based in Cologne, DE· patent location history
2005Patents assigned to IPROTEC MASCH & EDELSTAHLPROD (1)· patent assignee history
2005Based in Köln, DE· patent location history
2016–2021Patents assigned to FORD GLOBAL TECH LLC (2)· patent assignee history
2021Based in Erftstadt, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FORD GLOBAL TECH LLC22016–2021
IPROTEC MASCH & EDELSTAHLPROD12005
VISTEON GLOBAL TECH INC12003
Locations
LocationPatentsSpan
Cologne, DE22003–2016
Erftstadt, DE12021
Köln, DE12005