Inventor

HELLER MAX

DE3 patents

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

KRAFTWERK UNION AG

2 patents

US4607822AAug 26, 1986

Shutoff valve with a conical valve seat

KRAFTWERK UNION AG39 citations89

US4793779ADec 27, 1988

Rotating piston compressor having an axially adjustable rotary sleeve valve

KRAFTWERK UNION AG9 citations67

NORSKE STATS OLJESELSKAP

1 patent

US4852391AAug 1, 1989

Pipeline vehicle

NORSKE STATS OLJESELSKAP176 citations95