Inventor
LANDGRAF HERMANN
DE16 patents
⚠️ This page may combine multiple inventors who share the name “LANDGRAF HERMANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
15 patentsUS4874314AOct 17, 1989
Socket to clampingly hold dental tools
SIEMENS AG74 citations95
US5423231AJun 13, 1995
Foot control mechanism for a dental apparatus
SIEMENS AG59 citations93
US5433604AJul 18, 1995
Medical instrument having an internally-cooled tool
SIEMENS AG24 citations92
US4482322ANov 13, 1984
Device for surface treatment of teeth
SIEMENS AG36 citations91
US4462803AJul 31, 1984
Device for cleaning teeth
SIEMENS AG52 citations91
US4460337AJul 17, 1984
Dental handpiece
SIEMENS AG36 citations90
US4681540AJul 21, 1987
Dental handpiece arrangement
SIEMENS AG37 citations89
USD342720SDec 28, 1993
Foot switch
SIEMENS AG17 citations79
US5655907AAug 12, 1997
Rotatable tool suitable for high speed drive
SIEMENS AG12 citations73
US4647081AMar 3, 1987
Ball catch coupling for releasably connecting two parts permitting relative rotation of the parts when connected
SIEMENS AG14 citations73
US4278907AJul 14, 1981
D.C. Subfractional horsepower motor with flux shunt for variable RPM adjustment
SIEMENS AG19 citations73
US4237393ADec 2, 1980
Drive motor for a dental handpiece
SIEMENS AG16 citations73
US4255143AMar 10, 1981
Device for releasably connecting two parts of a dental handpiece together
SIEMENS AG17 citations72
US3943919AMar 16, 1976
Electrical tooth pulp tester having tiltable head
SIEMENS AG4 citations62
US4198755AApr 22, 1980
Dental handpiece
SIEMENS AG4 citations54