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CAMCO INT

Overview
  • Total Patents
    709
About

CAMCO INT has a total of 709 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets civil engineering, machines and electrical machinery and energy are CHRISTENSEN INC NORTON, WEATHERFORD LAMB and SECURITY ENGINEERING CO INC.

Patent filings per year

Chart showing CAMCO INTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pringle Ronald E 118
#2 Pringle Ronald Earl 90
#3 Morris Arthur J 49
#4 Leismer Dwayne D 44
#5 Morris Arthur John 38
#6 Moore Brian Keith 25
#7 Scarsdale Kevin T 23
#8 Oswald Howard A 17
#9 Johnston Russell A 17
#10 Mchugh Marcus D 16

Latest patents

Publication Filing date Title
US6409485B1 System and method for sealing an electrical connection between a power cable and a submersible device
GB0324567D0 Vertical pumping system
CA2305831A1 Tooth type drill bit with secondary cutting elements and stress reducing tooth geometry
US6397945B1 Power cable system for use in high temperature wellbore applications
US6388353B1 Elongated permanent magnet synchronous motor
EP1094194A2 Coiled tubing with an electrical cable for a down-hole pumping system and methods for manufacturing and installing such a system
US6704689B1 Complexity index methodology for the analysis of run life performance
US6361280B1 System and method for locking parts to a rotatable shaft
US6364013B1 Shroud for use with electric submergible pumping system
US6296061B1 Pilot-operated pressure-equalizing mechanism for subsurface valve
GB9928748D0 Dual electric submergible pumping system installation to simultaneously move fluid with respect to two or more subterranean zones
US6257333B1 Reverse flow gas separator for progressing cavity submergible pumping systems
US6247545B1 Single energizer face seal for rocks bits with floating journal bearings
US6318467B1 System and method for pumping and heating viscous fluids in a wellbore
US6332499B1 Deployment tubing connector having internal electrical penetrator
US6298921B1 Modular system for deploying subterranean well-related equipment
US6545221B1 Splice system for use in splicing coiled tubing having internal power cable
US6371226B1 Drag-type rotary drill bit
US6193000B1 Drag-type rotary drill bit
US6260627B1 System and method for improving fluid dynamics of fluid produced from a well