Inventor · disambiguated record
John D. Stephens
Also filed as: STEPHENS JOHN · STEPHENS JOHN D
9 granted patents·2 pending applications·525 citations·filing 1989–2016
91Inventor score
Top patents by PatentIndex Score
11 records- 0194US10058089B1Electromechanical horn for deterring animalsSTEPHENS LEAH·Filed 2016·Granted Aug 28, 2018·39 cites·7 claims
- 0291US5895298ADC biopotential electrode connector and connector condition sensorBIOFIELD CORP·Filed 1997·Granted Apr 20, 1999·156 cites·17 claims
- 0371US9504233B2Electromechanical horn for deterring animalsSTEPHENS LEAH·Filed 2012·Granted Nov 29, 2016·6 cites·3 claims
- 0468US5660177AD.C. biopotential sensing electrode assemblies for apparatus for disease, injury and bodily condition screening or sensingBIOFIELD CORP·Filed 1994·Granted Aug 26, 1997·137 cites·27 claims
- 0558US6351666B1Method and apparatus for sensing and processing biopotentialsBIOFIELD CORP·Filed 1999·Granted Feb 26, 2002·31 cites·95 claims
- 0649US5678547AMethod and apparatus for screening or sensing bodily conditions using DC biopotentialsBIOFIELD CORP·Filed 1995·Granted Oct 21, 1997·72 cites·23 claims
- 0748US5823957AD.C. biopotential sensing electrode and electroconductive medium for use thereinBIOFIELD CORP·Filed 1995·Granted Oct 20, 1998·55 cites·38 claims
- 0848US2011066107A1Needle protective deviceSTEPHENS JOHN·Filed 2009·Application pending·0 cites
- 0942US4986274AFetal anatomic sex assignment by ultrasonography during early pregnancySTEPHENS JOHN D·Filed 1989·Granted Jan 22, 1991·29 cites·20 claims
- 1035US2012004619A1Needle protective deviceSTEPHENS JOHN D·Filed 2011·Application pending·0 cites
- 1123USD374184SDC biopotential measuring unitBIOFIELD CORP·Filed 1995·Granted Oct 1, 1996·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →