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NAT OILWELL DHT LP

Overview
  • Total Patents
    243
  • GoodIP Patent Rank
    10,148
  • Filing trend
    ⇩ 20.0%
About

NAT OILWELL DHT LP has a total of 243 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 2004. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets civil engineering, materials and metallurgy and machine tools are SMITH INTERNATIONAL, LONGYEAR TM INC and CAMCO INTERNAT.

Patent filings per year

Chart showing NAT OILWELL DHT LPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gilleylen Russell C 27
#2 Clausen Jeffery Ronald 25
#3 Sue Jiinjen Albert 22
#4 Hughes Michael D 21
#5 Isaacks C Steven 20
#6 Marchand Nicholas Ryan 19
#7 Rahmani Reza 17
#8 Bosley Gregg A 17
#9 Sreshta Harold A 17
#10 Ross David P 17

Latest patents

Publication Filing date Title
WO2021080728A1 Drill bit cutter elements and drill bits including same
WO2021016282A1 On demand flow pulsing system
WO2020092746A1 Apparatus, systems, and methods for a reinforced seal element for joints on a drilling tool
WO2020087084A1 Downhole tools with high yield torque connections
WO2020055882A1 Drill bit cutter elements and drill bits including same
US2019330925A1 Hybrid bearing assemblies for downhole motors
WO2019210328A1 Wired downhole adjustable mud motors
CN110753778A Adjustable elbow subassembly in pit
EP3601712A1 Valves for actuating downhole shock tools in connection with concentric drive systems
WO2018144762A1 Drill bit inserts and drill bits including same
US2018171719A1 Drilling Oscillation Systems and Shock Tools for Same
US2018112471A1 Casing drilling apparatus and system
US2018058145A1 Apparatus and methods for activating a downhole percussion tool
WO2017132471A1 Systems and methods of fabrication and use of wear-resistant materials
EP3405643A1 Fixed cutter drill bits including nozzles with end and side exits
US2018305810A1 Downhole drill bit with coated cutting element
EP3353369A1 Downhole drill bit with balanced cutting elements and method for making and using same
WO2017209730A1 Systems, methods, and computer-readable media to monitor and control well site drill cuttings transport
EP3294925A1 Methods for fabricating cutter elements for drill bits
EP3306033A1 Wear sensor and method of determining wear of a downhole tool