Assignee
HARCO CORP
13 granted patents·261 citations·filing 1977–1983
Top patents by PatentIndex Score
13 records- 0184US4080024AUnderground cable connectionHARCO CORP·Filed 1977·Granted Mar 21, 1978·47 cites·16 claims
- 0282US4080272ACathodic protection method and apparatusHARCO CORP·Filed 1977·Granted Mar 21, 1978·37 cites·13 claims
- 0376US4151458AClosely spaced pipe-to-soil electrical survey method and apparatusHARCO CORP·Filed 1977·Granted Apr 24, 1979·38 cites·24 claims
- 0469US4228399AOffshore pipeline electrical survey method and apparatusHARCO CORP·Filed 1978·Granted Oct 14, 1980·22 cites·21 claims
- 0561US4515669AAnode and connectionHARCO CORP·Filed 1983·Granted May 7, 1985·19 cites·38 claims
- 0658US4322805AElectrical survey method and apparatusHARCO CORP·Filed 1979·Granted Mar 30, 1982·17 cites·102 claims
- 0755US4438391AElectrical survey apparatus and method with spinner-type conductor supplyHARCO CORP·Filed 1982·Granted Mar 20, 1984·19 cites·45 claims
- 0854US4388594ASemi-permeable electrolytic cell and method for surveying buried structuresHARCO CORP·Filed 1980·Granted Jun 14, 1983·17 cites·36 claims
- 0946US4414511ALow resistance, fluid replenishing, reference cell and method for using same in structure-to-soil electrical surveysHARCO CORP·Filed 1980·Granted Nov 8, 1983·12 cites·34 claims
- 1044US4365191AMethod and apparatus for electrical surveys of offshore metal structures with correction for distanceHARCO CORP·Filed 1980·Granted Dec 21, 1982·13 cites·49 claims
- 1142US4160171AMethod and apparatus for determining the reference voltage in an impressed current corrosion protection systemHARCO CORP·Filed 1977·Granted Jul 3, 1979·11 cites·1 claims
- 1238US4279729AAnode and method of constructionHARCO CORP·Filed 1980·Granted Jul 21, 1981·6 cites·52 claims
- 1329US4467274AElectrical surveys of underwater or underground structures with electrode-to-electrolyte potential correctionHARCO CORP·Filed 1981·Granted Aug 21, 1984·3 cites·28 claims
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