Assignee
SCHERBATSKOY SERGE ALEXANDER
14 granted patents·1,113 citations·filing 1976–1991
Top patents by PatentIndex Score
14 records- 0197US4676310AApparatus for transporting measuring and/or logging equipment in a boreholeSCHERBATSKOY SERGE ALEXANDER·Filed 1986·Granted Jun 30, 1987·242 cites·21 claims
- 0295US4351037ASystems, apparatus and methods for measuring while drillingSCHERBATSKOY SERGE ALEXANDER·Filed 1980·Granted Sep 21, 1982·155 cites·29 claims
- 0395US4057781AWell bore communication methodSCHERBATSKOY SERGE ALEXANDER·Filed 1976·Granted Nov 8, 1977·119 cites·33 claims
- 0491US5113379AMethod and apparatus for communicating between spaced locations in a boreholeSCHERBATSKOY SERGE ALEXANDER·Filed 1990·Granted May 12, 1992·146 cites·11 claims
- 0581US4866680AMethod and apparatus for transmitting information in a borehole employing signal discriminationSCHERBATSKOY SERGE ALEXANDER·Filed 1988·Granted Sep 12, 1989·61 cites·7 claims
- 0676US5182730AMethod and apparatus for transmitting information in a borehole employing signal discriminationSCHERBATSKOY SERGE ALEXANDER·Filed 1991·Granted Jan 26, 1993·63 cites·18 claims
- 0776US4689775ADirect radiator system and methods for measuring during drilling operationsSCHERBATSKOY SERGE ALEXANDER·Filed 1982·Granted Aug 25, 1987·45 cites·21 claims
- 0876US4553226ASystems, apparatus and methods for measuring while drillingSCHERBATSKOY SERGE ALEXANDER·Filed 1982·Granted Nov 12, 1985·47 cites·4 claims
- 0976US4520468ABorehole measurement while drilling systems and methodsSCHERBATSKOY SERGE ALEXANDER·Filed 1982·Granted May 28, 1985·45 cites·7 claims
- 1075US4416000ASystem for employing high temperature batteries for making measurements in a boreholeSCHERBATSKOY SERGE ALEXANDER·Filed 1982·Granted Nov 15, 1983·44 cites·15 claims
- 1172US5079750AMethod and apparatus for transmitting information in a borehole employing discriminationSCHERBATSKOY SERGE ALEXANDER·Filed 1990·Granted Jan 7, 1992·55 cites·9 claims
- 1269US5150333AMethod and apparatus for providing improved pressure pulse characteristics for measuring while drillingSCHERBATSKOY SERGE ALEXANDER·Filed 1988·Granted Sep 22, 1992·39 cites·41 claims
- 1357US4692911AMethods and apparatus for reducing interfering effects in measurement while drilling operationsSCHERBATSKOY SERGE ALEXANDER·Filed 1986·Granted Sep 8, 1987·27 cites·29 claims
- 1455US4839870APressure pulse generator system for measuring while drillingSCHERBATSKOY SERGE ALEXANDER·Filed 1988·Granted Jun 13, 1989·25 cites·8 claims
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