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WEATHERFORD LAMB

Overview
  • Total Patents
    4,781
  • GoodIP Patent Rank
    8,992
About

WEATHERFORD LAMB has a total of 4,781 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, measurement and machines are WEATHERFORD/LAMB INC, WEATHERFORD TECHNOLOGY HOLDINGS LLC and NUTLEY KIM.

Patent filings per year

Chart showing WEATHERFORD LAMBs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pietras Bernd-Georg 234
#2 Simpson Neil Andrew Abercrombi 191
#3 Metcalfe Paul David 147
#4 Haugen David Michael 122
#5 Harrall Simon John 113
#6 Haugen David M 111
#7 Heidecke Karsten 97
#8 Bailey Thomas F 94
#9 Brunnert David J 90
#10 Ring Lev 89

Latest patents

Publication Filing date Title
US2015285021A1 Downhole cutting tool
WO2015085169A2 Toe sleeve isolation system for cemented casing in borehole
WO2015081092A2 Ball dropper ball stack indicator
US2015191645A1 Anti-agglomerants for the prevention of hydrates
WO2015126479A1 Multi-core optical waveguide for multi-parameter sensing
WO2015069886A2 Structural insert for composite bridge plug
US2015135510A1 Locking system for a threaded connection
CA2869512A1 Object launching system for well
US2015160075A1 Cane-based u-bend
EP2863006A2 Gas lift valve
CA2864874A1 Rotatably-actuated fluid treatment system using coiled tubing
US2015083434A1 Annular relief valve
US2015068728A1 Downhole Tool Having Slip Composed of Composite Ring
AU2014221293A1 Pipe handling system
US2016033360A1 Multi-peak reference grating
US2015369731A1 Time division multiplexing (TDM) and wavelength division multiplexing (WDM) sensor arrays
CA2854704A1 Method and apparatus for measuring deformation of non-metallic materials
WO2014189943A1 Method and system for tracking movement trajectory of a pipeline tool
WO2014209511A1 Optical couplers used in a downhole splitter assembly
WO2014186700A1 Fluid sampling flask having cap and valve assembly