Inventor
KERN HANS
DE18 patents
⚠️ This page may combine multiple inventors who share the name “KERN HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
8 patentsUS4196625AApr 8, 1980
Device for monitoring the ink supply in ink recording devices
SIEMENS AG106 citations96
US4282535AAug 4, 1981
Circuit arrangement for the operation of recording nozzles in ink mosaic recording devices
SIEMENS AG84 citations94
US4275402AJun 23, 1981
Circuit arrangement for temperature-dependent voltage regulation of piezo-electric recording nozzles in ink mosaic recording devices
SIEMENS AG40 citations92
US4202267AMay 13, 1980
Device for monitoring the ink supply in ink-operated printers
SIEMENS AG53 citations92
US4161670AJul 17, 1979
Circuit arrangement for driving piezoelectric ink jet printers
SIEMENS AG38 citations92
US4250512AFeb 10, 1981
Heating device for recording heads in ink mosaic recorders
SIEMENS AG26 citations78
US4538096AAug 27, 1985
Speed control circuit for a DC motor
SIEMENS AG8 citations73
US4547087AOct 15, 1985
Microprocessor-controlled printing mechanism having an opto-electronic sensor
SIEMENS AG18 citations71
GRUENBECK JOSEF WASSERAUFB
6 patentsUS4865525ASep 12, 1989
Metering pump
GRUENBECK JOSEF WASSERAUFB69 citations95
US4776771AOct 11, 1988
Metering pump
GRUENBECK JOSEF WASSERAUFB21 citations81
US4573491AMar 4, 1986
Tube separator
GRUENBECK JOSEF WASSERAUFB8 citations72
US4800918AJan 31, 1989
Tube separator
GRUENBECK JOSEF WASSERAUFB2 citations61
US4624279ANov 25, 1986
Tube separator with protection against contamination
GRUENBECK JOSEF WASSERAUFB5 citations61
US4595031AJun 17, 1986
Tube separator device
GRUENBECK JOSEF WASSERAUFB6 citations61