Inventor · disambiguated record
John H. Clark
Also filed as: CLARK JOHN · CLARK JOHN H · HAAS YEHUDA
22 granted patents·3 pending applications·658 citations·filing 1975–2019
96Inventor score
Top patents by PatentIndex Score
25 records- 0198US10539723B2Phase-transforming optical reflector formed by partial etching or by partial etching with reflowFINISAR CORP·Filed 2017·Granted Jan 21, 2020·18 cites·41 claims
- 0295US8127846B2Wiper plug perforating systemHILL FREEMAN L·Filed 2009·Granted Mar 6, 2012·79 cites·12 claims
- 0395US4731795ASolid state laserAMOCO CORP·Filed 1986·Granted Mar 15, 1988·92 cites·20 claims
- 0492US5029335AHeat dissipating device for laser diodesAMOCO CORP·Filed 1989·Granted Jul 2, 1991·54 cites·17 claims
- 0592US4730335ASolid state laser and method of makingAMOCO CORP·Filed 1986·Granted Mar 8, 1988·61 cites·25 claims
- 0689US4884276AOptical feedback control in the frequency conversion of laser diode radiationAMOCO CORP·Filed 1988·Granted Nov 28, 1989·42 cites·21 claims
- 0789US4879722AGeneration of coherent optical radiation by optical mixingAMOCO CORP·Filed 1987·Granted Nov 7, 1989·76 cites·30 claims
- 0886US9200487B2Alignment of downhole stringsDRAPER IAN·Filed 2011·Granted Dec 1, 2015·15 cites·4 claims
- 0986US4879723AIntracavity generation of coherent optical radiation of optical mixingAMOCO CORP·Filed 1987·Granted Nov 7, 1989·36 cites·45 claims
- 1082US5182759AApparatus and method for pumping of a weakly absorbing lasant materialAMOCO CORP·Filed 1991·Granted Jan 26, 1993·51 cites·35 claims
- 1178US6564866B2Method and apparatus for a tubing conveyed perforating guns fire identification system using enhanced marker materialBAKER HUGHES INC·Filed 2000·Granted May 20, 2003·42 cites·24 claims
- 1265US4212717ASeparation of isotopes by photo-induced predissociationUNIV CALIFORNIA·Filed 1975·Granted Jul 15, 1980·15 cites·13 claims
- 1360US10830929B2Phase-transforming optical element formed by partial etching or by partial etching with reflowFINISAR CORP·Filed 2019·Granted Nov 10, 2020·0 cites·47 claims
- 1459US6955217B2Method and apparatus for a tubing conveyed perforating guns fire identification system using fiber opticsBAKER HUGHES INC·Filed 2003·Granted Oct 18, 2005·16 cites·19 claims
- 1559US4057055AToenail appliance and methodCLARK JOHN H·Filed 1975·Granted Nov 8, 1977·46 cites·17 claims
- 1654US9560952B2Utensil cleaning device and methodSANI-BLADE LLC·Filed 2014·Granted Feb 7, 2017·1 cites·6 claims
- 1753US2017100014A1Utensil cleaning device and methodSANI-BLADE LLC·Filed 2016·Application pending·0 cites
- 1841US2006054317A1Method and apparatus for a tubing conveyed perforating guns fire identification system using fiber opticsBAKER HUGHES INC·Filed 2005·Application pending·0 cites
- 1939US4146449APurification of silane via laser-induced chemistryUS ENERGY·Filed 1977·Granted Mar 27, 1979·4 cites·8 claims
- 2036US4924471AMethod for increasing the output power of a laser diodeAMOCO CORP·Filed 1989·Granted May 8, 1990·4 cites·16 claims
- 2135US5623251ADevice to verify the identity of a fluid for proper selection of storage vesselFiled 1995·Granted Apr 22, 1997·5 cites·10 claims
- 2234US2012048539A1Reservoir Pressure MonitoringCLARK JOHN H·Filed 2011·Application pending·0 cites
- 2328US6895691B2Apparatus and method for removing accumulated, dry seedsAGRA AIR INC·Filed 2003·Granted May 24, 2005·0 cites·14 claims
- 2428US4287035AMethod for producing rapid pH changesUS ENERGY·Filed 1979·Granted Sep 1, 1981·1 cites·3 claims
- 2527US6889450B2Fluidized bed seed dryerAGRA AIR INC·Filed 2003·Granted May 10, 2005·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →