Erik Hansen

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Patents Grantslast 30 patents

Information Patent Grant
Self-adjusting turning roll assembly
- Patent number 4,407,621
- Issue date Oct 4, 1983
- ESAB Aktiebolag
- Erik Hansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing a crank arm for a welded crankshaft, and a...
- Patent number 4,306,342
- Issue date Dec 22, 1981
- B & W Diesel A/S
- Erik Hansen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for effecting multi-bead welding of two workpieces
- Patent number 4,245,767
- Issue date Jan 20, 1981
- Burmeister & Wain A/S
- Erik Hansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of multi-bead welding of two workpieces and apparatus for ca...
- Patent number 4,223,824
- Issue date Sep 23, 1980
- Burmeister & Wain A/S
- Erik Hansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR