Inventor

HERRMANN WILLY

US4 patents

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

APX GROUP INC

2 patents

US4500030AFeb 19, 1985

Flange weld technique

APX GROUP INC33 citations88

US4545605AOct 8, 1985

Welded tube and flange, e.g., for exhaust manifold

APX GROUP INC15 citations69

HERRMANN WILLY

2 patents

US4452705AJun 5, 1984

Filter device for the softening and/or complete desalination of a liquid, particularly water

HERRMANN WILLY8 citations68

US4294699AOct 13, 1981

Apparatus for purifying a liquid by ion-exchange

HERRMANN WILLY12 citations68