Assignee
EICHHORN FRIEDRICH PROF DR
4 granted patents·117 citations·filing 1977–1981
Technology mixB23K4
Top patents by PatentIndex Score
4 records- 0195US4329561AMethod of ensuring the maintenance of constant quality of spot weldsEICHHORN FRIEDRICH PROF DR·Filed 1979·Granted May 11, 1982·97 cites·8 claims
- 0257US4151389AMethod of and apparatus for welding sheet steel panelsEICHHORN FRIEDRICH PROF DR·Filed 1977·Granted Apr 24, 1979·12 cites·7 claims
- 0333US4420676AWelding apparatusEICHHORN FRIEDRICH PROF DR·Filed 1981·Granted Dec 13, 1983·6 cites·23 claims
- 0429US4303822AApparatus for welding steel sheetsEICHHORN FRIEDRICH PROF DR·Filed 1979·Granted Dec 1, 1981·2 cites·2 claims
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