Inventor
FRITSCH HORST
DE11 patents
⚠️ This page may combine multiple inventors who share the name “FRITSCH HORST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTT KG LEWA
6 patentsUS4430048AFeb 7, 1984
Diaphragm pump with a diaphragm clamped in pressure-balancing arrangement
OTT KG LEWA170 citations97
US5655894AAug 12, 1997
Controlled prevention of premature snuffle valve actuation in high pressure membrane pumps
OTT KG LEWA20 citations91
US4749342AJun 7, 1988
Diaphragm pump with hydraulically driven rolling diaphragm
OTT KG LEWA31 citations91
US4865528ASep 12, 1989
Method and arrangement for starting an hydraulic diaphragm pump against load
OTT KG LEWA20 citations77
US4811624AMar 14, 1989
Hydraulically actuated stroke adjusting device
OTT KG LEWA14 citations72
US5047950ASep 10, 1991
Method and an apparatus for measuring the flow in oscillating displacement pumps
OTT KG LEWA13 citations66