Inventor · disambiguated record
Otto H. Schmidt
Also filed as: SCHMIDT OTTO H
20 granted patents·1 pending application·392 citations·filing 1976–2003
96Inventor score
Files withHEINE OPTOTECH KG11PROPPER MFG CO INC7HEINE OPTOTECH GMBH CO KG2PROPPER MANUFACTURING CO LTD1
Top patents by PatentIndex Score
21 records- 0179US4382219AArrangement consisting of a battery handle for electro-optical diagnostic instruments, of a charger and of a storage cellHEINE OPTOTECH KG·Filed 1980·Granted May 3, 1983·49 cites·3 claims
- 0277US5294948ADevice for macrophotographyHEINE OPTOTECH KG·Filed 1991·Granted Mar 15, 1994·18 cites·1 claims
- 0366US6666819B2LaryngoscopeHEINE OPTOTECH KG·Filed 2001·Granted Dec 23, 2003·36 cites·14 claims
- 0451US4681413AHeadband with optical device adjustably coupled theretoPROPPER MFG CO INC·Filed 1985·Granted Jul 21, 1987·40 cites·33 claims
- 0551US4082946AApparatus for controlling the illumination of optical examination devicesPROPPER MFG CO INC·Filed 1976·Granted Apr 4, 1978·11 cites·5 claims
- 0650US4060724AMounting apparatus for optical examination devices connected to a projector through a light-conducting cablePROPPER MFG CO INC·Filed 1976·Granted Nov 29, 1977·21 cites·8 claims
- 0750US4043646AFilter mechanism with interconnected heat and color filters for optical examination devicesPROPPER MFG CO INC·Filed 1976·Granted Aug 23, 1977·22 cites·5 claims
- 0847US5223863ABinocular ophthalmoscope with tilting mirrorPROPPER MFG CO INC·Filed 1991·Granted Jun 29, 1993·44 cites·45 claims
- 0944US5196964AMagnifierHEINE OPTOTECH KG·Filed 1991·Granted Mar 23, 1993·11 cites·40 claims
- 1043US5448318AClamp assembly set for attaching a variety of optical devices to eyeglassesHEINE OPTOTECH KG·Filed 1994·Granted Sep 5, 1995·14 cites·7 claims
- 1143US4684227ABinocular indirect ophthalmoscopePROPPER MFG CO INC·Filed 1985·Granted Aug 4, 1987·24 cites·12 claims
- 1240US4327317AApparatus for charging a rechargeable batteryPROPPER MFG CO INC·Filed 1980·Granted Apr 27, 1982·10 cites·1 claims
- 1339US2004062056A1DermatoscopeHEINE OPTOTECH KG·Filed 2003·Application pending·0 cites
- 1437US4538889AManual ophthalmoscopeHEINE OPTOTECH GMBH CO KG·Filed 1982·Granted Sep 3, 1985·14 cites·3 claims
- 1535US5479221AHand-held line grid interference retinometerHEINE OPTOTECH KG·Filed 1994·Granted Dec 26, 1995·17 cites·9 claims
- 1633US5333018ABinocular ophthalmoscopeHEINE OPTOTECH GMBH CO KG·Filed 1993·Granted Jul 26, 1994·17 cites·12 claims
- 1732US4211215AEndoscope housing cover hinge construction utilizing a spring, ball and bore arrangement in combination with a hinge pinHEINE OPTOTECH KG·Filed 1978·Granted Jul 8, 1980·5 cites·6 claims
- 1831US5859687ABar skiascope beam fixable in parallelHEINE OPTOTECH KG·Filed 1997·Granted Jan 12, 1999·8 cites·14 claims
- 1931US5542904AHandgrip for an electro-optical diagnostic apparatus setHEINE OPTOTECH KG·Filed 1994·Granted Aug 6, 1996·17 cites·5 claims
- 2030US5815241ABinocular indirect ophthalmoscope including a tilted mirrorHEINE OPTOTECH KG·Filed 1997·Granted Sep 29, 1998·4 cites·4 claims
- 2127US4963014AOphthalmoscopePROPPER MANUFACTURING CO LTD·Filed 1990·Granted Oct 16, 1990·10 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →