Inventor

GUMIENNY GERD

DE4 patents

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

RATIONAL GROSSKUECHENTECHNIK S

2 patents

US5295457AMar 22, 1994

Heat exchanger

RATIONAL GROSSKUECHENTECHNIK S5 citations57

US5199416AApr 6, 1993

Hot air heat exchanger

RATIONAL GROSSKUECHENTECHNIK S4 citations57

RATIONAL GMBH

1 patent

US5915372AJun 29, 1999

Heat exchanger

RATIONAL GMBH21 citations89

CONVOTHERM ELEKTROGERAETE

1 patent

US7017571B2Mar 28, 2006

Heat exchanger device

CONVOTHERM ELEKTROGERAETE4 citations60