Inventor
KRIECHEL HANS
DE5 patents
⚠️ This page may combine multiple inventors who share the name “KRIECHEL HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEYBOLD AG
4 patentsUS5553998ASep 10, 1996
Gas friction vacuum pump having at least three differently configured pump stages releasably connected together
LEYBOLD AG47 citations90
US5165872ANov 24, 1992
Gas friction pump having a bell-shaped rotor
LEYBOLD AG24 citations90
US5051060ASep 24, 1991
Gas friction pump having an outlet-side helical stage
LEYBOLD AG32 citations90
US5114320AMay 19, 1992
Blower or pump with capillary filter for replenishment of oil separated by vacuum pump
LEYBOLD AG8 citations67