Inventor
Stefan Wischmann
Inventor
Berlin, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering40%
Y10TTechnical subjects covered by former us classification13%
B08BCleaning in general7%
B21BRolling of metal7%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling7%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material7%
B26DCutting7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
10,252,305Flat product made of a metal material and roll and method for producing such flat products20199,884,387'Method and apparatus for the inductive high-frequency welding of metal products having different material thicknesses and/or material grades using at least two component induction conductors which are separable from one another'20189,682,489'Method and device for mechanically removing coatings from coated blanks using a press and scraping knife'20179,387,555'Method and apparatus for machining a workpiece by means of a laser beam'20169,327,367'Device and method for guiding bands to be joined to one another along their longitudinal edges'20169,088,011'Bipolar plate for a fuel cell and fuel cell stack'20158,350,184'Laser beam welding head'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2018Patents assigned to WISCHMANN STEFAN (6)· patent assignee history
2013–2018Patents assigned to KOCH MARTIN (3)· patent assignee history
2013–2018Patents assigned to PLHA JENS (3)· patent assignee history
2013–2016Patents assigned to BLUMENSAAT ERWIN (2)· patent assignee history
2013–2019Based in Berlin, DE· patent location history
2015–2019Patents assigned to THYSSENKRUPP STEEL EUROPE AG (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WISCHMANN STEFANself | 6 | 2013–2018 |
| THYSSENKRUPP STEEL EUROPE AG | 4 | 2015–2019 |
| KOCH MARTIN | 3 | 2013–2018 |
| PLHA JENS | 3 | 2013–2018 |
| BLUMENSAAT ERWIN | 2 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Berlin, DE | 7 | 2013–2019 |