Inventor

PAMMER WALTER

AT3 patents

⚠️ This page may combine multiple inventors who share the name “PAMMER WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FRONIUS SCHWEISSMASCH PROD

1 patent

US6549441B1Apr 15, 2003

Voltage switch-over device

FRONIUS SCHWEISSMASCH PROD29 citations88

FRONIUS INT GMBH

1 patent

US7638734B2Dec 29, 2009

Method and circuit for contactless ignition of a welding arc with high frequency ignition pulse packets

FRONIUS INT GMBH3 citations53

PIRCHENFELLNER JÜGEN

1 patent

US9000830B2Apr 7, 2015

Method and apparatus for protecting transistors

PIRCHENFELLNER JÜGEN0 citations19