Inventor
HEINE HELMUT A
DE25 patents
⚠️ This page may combine multiple inventors who share the name “HEINE HELMUT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROPPER MFG CO INC
12 patentsUS3934578AJan 27, 1976
Direct illumination otoscope
PROPPER MFG CO INC99 citations96
US4306546ADec 22, 1981
Endoscope
PROPPER MFG CO INC75 citations93
US5223863AJun 29, 1993
Binocular ophthalmoscope with tilting mirror
PROPPER MFG CO INC44 citations92
US4681413AJul 21, 1987
Headband with optical device adjustably coupled thereto
PROPPER MFG CO INC40 citations92
US4273112AJun 16, 1981
Laryngoscope
PROPPER MFG CO INC71 citations91
US4684227AAug 4, 1987
Binocular indirect ophthalmoscope
PROPPER MFG CO INC24 citations81
US4060724ANov 29, 1977
Mounting apparatus for optical examination devices connected to a projector through a light-conducting cable
PROPPER MFG CO INC21 citations81
US4043646AAug 23, 1977
Filter mechanism with interconnected heat and color filters for optical examination devices
PROPPER MFG CO INC22 citations80
US3948585AApr 6, 1976
Ophthalmoscope examination pattern having slit and surrounding ring
PROPPER MFG CO INC13 citations74
US4327317AApr 27, 1982
Apparatus for charging a rechargeable battery
PROPPER MFG CO INC10 citations73
US4082946AApr 4, 1978
Apparatus for controlling the illumination of optical examination devices
PROPPER MFG CO INC11 citations72
US3936161AFeb 3, 1976
Ophthalmoscope illumination arrangement
PROPPER MFG CO INC2 citations63
HEINE OPTOTECH KG
8 patentsUS6666819B2Dec 23, 2003
Laryngoscope
HEINE OPTOTECH KG36 citations92
US4382219AMay 3, 1983
Arrangement consisting of a battery handle for electro-optical diagnostic instruments, of a charger and of a storage cell
HEINE OPTOTECH KG49 citations90
US6139491AOct 31, 2000
Fibre-optic laryngoscope spatula with an exchangeable light-guide part
HEINE OPTOTECH KG35 citations89
US4215678AAug 5, 1980
Endoscope
HEINE OPTOTECH KG54 citations89
US4196980AApr 8, 1980
Opthalmoscope examination pattern having light transmissive fixation point
HEINE OPTOTECH KG20 citations82
US5196964AMar 23, 1993
Magnifier
HEINE OPTOTECH KG11 citations73
US4211215AJul 8, 1980
Endoscope housing cover hinge construction utilizing a spring, ball and bore arrangement in combination with a hinge pin
HEINE OPTOTECH KG5 citations61
US4166677ASep 4, 1979
Illumination system for indirect ophthalmoscope
HEINE OPTOTECH KG4 citations61