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ANADRILL INC

Overview
  • Total Patents
    24
About

ANADRILL INC has a total of 24 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, measurement and mechanical elements are CANADIAN DOWNHOLE DRILL SYSTEM, RIVAL DOWNHOLE TOOLS LC and REED TOOL CO.

Patent filings in countries

World map showing ANADRILL INCs patent filings in countries
# Country Total Patents
#1 United States 24

Patent filings per year

Chart showing ANADRILL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Askew Warren E 3
#2 Hall David R 3
#3 Lesage Marc 2
#4 Das Pralay K 2
#5 Sheppard Michael 2
#6 Eddison Alan 2
#7 Codazzi Daniel 2
#8 Malone David 2
#9 Coles Mark 1
#10 Zanker Klaus 1

Latest patents

Publication Filing date Title
US5253939A High performance bearing pad for thrust bearing
US5267398A Method for manufacturing a diamond thrust bearing
US5146433A Mud pump noise cancellation system and method
US5181576A Downhole adjustable stabilizer
US5275040A Method of and apparatus for detecting an influx into a well while drilling
US5092687A Diamond thrust bearing and method for manufacturing same
US5139094A Directional drilling methods and apparatus
US5154078A Kick detection during drilling
US5033557A Hydraulic drilling jar
US5063776A Method and system for measurement of fluid flow in a drilling rig return line
US4976143A System and method for monitoring drill bit depth
US4941951A Method for improving a drilling process by characterizing the hydraulics of the drilling system
US4949575A Formation volumetric evaluation while drilling
US4956921A Method to improve directional survey accuracy
US4887464A Measurement system and method for quantitatively determining the concentrations of a plurality of gases in drilling mud
US4852399A Method for determining drilling conditions while drilling
US4833914A Pore pressure formation evaluation while drilling
US4876886A Method for detecting drilling events from measurement while drilling sensors
US4805449A Apparatus and method for measuring differential pressure while drilling
US4847815A Sinusoidal pressure pulse generator for measurement while drilling tool