Inventor
LOEFFLER OTTO
US7 patents
⚠️ This page may combine multiple inventors who share the name “LOEFFLER OTTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BERU WERK RUPRECHT GMBH CO A
3 patentsUS5510667AApr 23, 1996
Spark plug with an electrode having a platinum-nickel fiber composite material
BERU WERK RUPRECHT GMBH CO A24 citations89
US4795937AJan 3, 1989
Spark plug with combined surface and air spark paths
BERU WERK RUPRECHT GMBH CO A44 citations89
US5500304AMar 19, 1996
Silver-nickel composite material for electrical contacts and electrodes
BERU WERK RUPRECHT GMBH CO A8 citations71