Inventor
SCHWALD ROLF
DE7 patents
⚠️ This page may combine multiple inventors who share the name “SCHWALD ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENDRESS HAUSER GMBH CO
6 patentsUS5737963AApr 14, 1998
Ultrasonic transducer
ENDRESS HAUSER GMBH CO82 citations95
US5778726AJul 14, 1998
Device for monitoring a predetermined level of a liquid in a container
ENDRESS HAUSER GMBH CO24 citations92
US6417748B1Jul 9, 2002
Filling level measuring device operating with microwaves, having an insert composed of a dielectric, and process for producing the dielectric
ENDRESS HAUSER GMBH CO34 citations91
US5866815AFeb 2, 1999
Fill-level indicator
ENDRESS HAUSER GMBH CO46 citations91
US5363341ANov 8, 1994
Level measuring device which can be assembled from components
ENDRESS HAUSER GMBH CO38 citations90
US6800241B2Oct 5, 2004
Process for producing dielectric component
ENDRESS HAUSER GMBH CO3 citations61