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Inventor

Steffen Keitel

Inventor
Halle, DE

Overview

3→
Patents
2006–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering60%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
PatentTitleYear
10,099,319Device for connecting the ends of pipes made of steel by means of an orbital welding process20188,373,083'Method for connecting thick-walled metal workpieces by welding'20137,012,217'Method and apparatus for making welded large pipes'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to MANNESMANN ROEHREN WERKE AG (1)· patent assignee history
2006–2018Based in Halle, DE· patent location history
2013Patents assigned to CAESAR CHRISTIAN (1)· patent assignee history
2013Patents assigned to KEITEL STEFFEN (1)· patent assignee history
2013Patents assigned to LIEDTKE MARKUS (1)· patent assignee history
2013Patents assigned to NEUBERT JAN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAESAR CHRISTIAN12013
KEITEL STEFFENself12013
LIEDTKE MARKUS12013
MANNESMANN ROEHREN WERKE AG12006
NEUBERT JAN12013
Locations
LocationPatentsSpan
Halle, DE32006–2018