Inventor · disambiguated record
Helmut Leist
Also filed as: LEIST HELMUT · LEIST HELMUT J
8 granted patents·512 citations·filing 1980–1993
89Inventor score
Top patents by PatentIndex Score
8 records- 0184US5273036AApparatus and method for monitoring respirationPPG INDUSTRIES INC·Filed 1993·Granted Dec 28, 1993·375 cites·19 claims
- 0279US4432365APhysiological sensing unitHELLIGE GMBH·Filed 1981·Granted Feb 21, 1984·34 cites·12 claims
- 0369US5007424APolarographic/amperometric measuring sensorHELLIGE GMBH·Filed 1990·Granted Apr 16, 1991·40 cites·18 claims
- 0463US4334541AThermal protective circuit for a hyperemia-inducing physiological sensorHELLIGE GMBH·Filed 1980·Granted Jun 15, 1982·17 cites·4 claims
- 0546US4336031AMethod for the calibration of an oxygen sensing unit and calibration agent thereforHELLIGE GMBH·Filed 1980·Granted Jun 22, 1982·11 cites·6 claims
- 0641US4425918AMembrane retainer arrangement for physiological sensing unitsHELLIGE GMBH·Filed 1981·Granted Jan 17, 1984·19 cites·13 claims
- 0734US4359054ARetainer arrangement and method for applying a membrane to a physiological sensing unitHELLIGE GMBH·Filed 1981·Granted Nov 16, 1982·11 cites·8 claims
- 0831US4784145AMembrane retainer assembly for physiological sensing unitsHELLIGE GMBH·Filed 1987·Granted Nov 15, 1988·5 cites·5 claims
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