Assignee
COMDISCO RESOURCES INC
US·10 granted patents·348 citations·filing 1984–1990
Technology mixE21B10
Top patents by PatentIndex Score
10 records- 0179US4889186AOverlapping horizontal fracture formation and flooding processCOMDISCO RESOURCES INC·Filed 1988·Granted Dec 26, 1989·67 cites·36 claims
- 0275US4770034AMethod and apparatus for data transmission in a well bore containing a conductive fluidCOMDISCO RESOURCES INC·Filed 1986·Granted Sep 13, 1988·48 cites·50 claims
- 0372US4724434AMethod and apparatus using casing for combined transmission of data up a well and fluid flow in a geological formation in the wellCOMDISCO RESOURCES INC·Filed 1984·Granted Feb 9, 1988·40 cites·19 claims
- 0467US4616702ATool and combined tool support and casing section for use in transmitting data up a wellCOMDISCO RESOURCES INC·Filed 1984·Granted Oct 14, 1986·38 cites·78 claims
- 0565US4821035AMethod and apparatus using a well casing for transmitting data up a wellCOMDISCO RESOURCES INC·Filed 1984·Granted Apr 11, 1989·30 cites·44 claims
- 0662US4845494AMethod and apparatus using casing and tubing for transmitting data up a wellCOMDISCO RESOURCES INC·Filed 1984·Granted Jul 4, 1989·28 cites·18 claims
- 0757US4828051AMethod and apparatus for data transmission in a well using a flexible line with stiffenerCOMDISCO RESOURCES INC·Filed 1986·Granted May 9, 1989·27 cites·27 claims
- 0854US5025859AOverlapping horizontal fracture formation and flooding processCOMDISCO RESOURCES INC·Filed 1990·Granted Jun 25, 1991·33 cites·87 claims
- 0954US4763520AMethod and means for obtaining data representing a parameter of fluid flowing through a down hole side of an oil or gas well boreCOMDISCO RESOURCES INC·Filed 1986·Granted Aug 16, 1988·24 cites·98 claims
- 1041US4848480AMethod and apparatus for wire line protection in a wellCOMDISCO RESOURCES INC·Filed 1988·Granted Jul 18, 1989·13 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →