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SMITH INTERNAT

Overview
  • Total Patents
    37
About

SMITH INTERNAT has a total of 37 patent applications. Its first patent ever was published in 1998. It filed its patents most often in China, United States and Canada. Its main competitors in its focus markets civil engineering, materials and metallurgy and machine tools are VAREL INTERNEJSHNL IND L P, ZHANG YOUHE and SMITH INTERNATIONAL.

Patent filings in countries

World map showing SMITH INTERNATs patent filings in countries
# Country Total Patents
#1 China 27
#2 United States 7
#3 Canada 3

Patent filings per year

Chart showing SMITH INTERNATs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Feng 4
#2 Cariveau Peter T 4
#3 Keshavan Madapusi K 4
#4 Belnap J Daniel 4
#5 Zhang Youhe 4
#6 Steel Russell J 4
#7 Shen Yuelin 4
#8 Burhan Yuri 3
#9 Fang Yi 3
#10 Voronin Georgiy 2

Latest patents

Publication Filing date Title
CN104136706A Retention of multiple rolling cutters
CN104136705A Spacing of rolling cutters on a fixed cutter bit
CN103635654A Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)
CN103038443A Method and apparatus for a well employing the use of an activation ball
CN104209517A Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements
CN102170991A Methods of treating hardbanded joints of pipe using friction stir processing
US2008105462A1 Rotating control device apparatus and method
US2006255094A1 Method for construction of pressure vessels with a liner using friction stirring processes
CN1968783A Solid state processing of materials through friction stir processing and friction stir mixing
US6392190B1 Automated hardfacing system
US6918455B2 Drill bit with large inserts
US6202772B1 Cutting element with canted design for improved braze contact area
CA877819A Power unit for oscillating tunneling machine
CA897728A Hard rock tunneling machine
CA853555A Lubricating mud metering device