Inventor · disambiguated record
John N. Dukes
Also filed as: DUKES JOHN N
14 granted patents·646 citations·filing 1978–1992
94Inventor score
Files withHEWLETT PACKARD CO14
Top patents by PatentIndex Score
14 records- 0190US5396224ATelemetered patient location system and methodHEWLETT PACKARD CO·Filed 1991·Granted Mar 7, 1995·339 cites·14 claims
- 0285US4703251ATesting and calibrating of amplitude insensitive delay linesHEWLETT PACKARD CO·Filed 1986·Granted Oct 27, 1987·36 cites·7 claims
- 0383US4658225AAmplitude insensitive delay lines in a transversal filterHEWLETT PACKARD CO·Filed 1984·Granted Apr 14, 1987·25 cites·10 claims
- 0479US4716363AExponential decay time constant measurement using frequency of offset phase-locked loop: system and methodHEWLETT PACKARD CO·Filed 1987·Granted Dec 29, 1987·43 cites·18 claims
- 0564US4633308AAmplitude insensitive delay lines in an accoustic imaging systemHEWLETT PACKARD CO·Filed 1984·Granted Dec 30, 1986·12 cites·12 claims
- 0664US4573475AReceiving radiation from loops in a common plane for monitoring hospital patients leadlesslyHEWLETT PACKARD CO·Filed 1984·Granted Mar 4, 1986·20 cites·8 claims
- 0758US4603301AAmplitude insensitive delay lines in a frequency modulated signal detectorHEWLETT PACKARD CO·Filed 1984·Granted Jul 29, 1986·13 cites·3 claims
- 0856US5042498AIntelligent electrocardiogram systemHEWLETT PACKARD CO·Filed 1990·Granted Aug 27, 1991·72 cites·9 claims
- 0952US4638191AAmplitude insensitive delay lineHEWLETT PACKARD CO·Filed 1984·Granted Jan 20, 1987·9 cites·13 claims
- 1050US4227079AMultipath fine positioning beam directorHEWLETT PACKARD CO·Filed 1978·Granted Oct 7, 1980·10 cites·6 claims
- 1148US5016642ASlow motion cardiac imagingHEWLETT PACKARD CO·Filed 1990·Granted May 21, 1991·45 cites·14 claims
- 1232US5205296AUterine contraction detectionHEWLETT PACKARD CO·Filed 1992·Granted Apr 27, 1993·12 cites·7 claims
- 1332US4480913AFine positioning beam director systemHEWLETT PACKARD CO·Filed 1982·Granted Nov 6, 1984·4 cites·6 claims
- 1429US5168879AUterine contraction detectionHEWLETT PACKARD CO·Filed 1990·Granted Dec 8, 1992·6 cites·11 claims
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