Inventor

Siegbert Kessler

Inventor
Reisbach, DE

Overview

4→
Patents
1976–2021
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.

B01Dprimary
B01DSeparation13%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool13%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles13%
C25FProcesses for the electrolytic removal of materials from objects13%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids13%
F16CShafts13%
G06FElectric digital data processing13%
Y10TTechnical subjects covered by former us classification13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to SKF IND TRADING & DEV (1)· patent assignee history
1976Based in Rottershausen, DE· patent location history
1987Patents assigned to SKF GMBH SCHWEINFURT (1)· patent assignee history
1987Based in Oerlenbach, DE· patent location history
2021Patents assigned to MANN & HUMMEL GMBH (1)· patent assignee history
2021Patents assigned to SAP SE (1)· patent assignee history
2021Based in Reisbach, DE· patent location history
2021Based in Linkenheim-Hochstetten, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MANN & HUMMEL GMBH12021
SAP SE12021
SKF GMBH SCHWEINFURT11987
SKF IND TRADING & DEV11976
Locations
LocationPatentsSpan
Reisbach, DE12021
Linkenheim-Hochstetten, DE12021
Oerlenbach, DE11987
Rottershausen, DE11976