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DIAMOND PRODUCTS INTERNATIONAL

Overview
  • Total Patents
    21
About

DIAMOND PRODUCTS INTERNATIONAL has a total of 21 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, EPO (European Patent Office) and Ireland. Its main competitors in its focus markets civil engineering and machines are MIT Innovation Sdn Bhd, ODFJELL WELL SERVICES NORWAY AS and ELMAR SERVICES LTD.

Patent filings in countries

World map showing DIAMOND PRODUCTS INTERNATIONALs patent filings in countries
# Country Total Patents
#1 United States 13
#2 EPO (European Patent Office) 3
#3 Ireland 2
#4 Canada 1
#5 Germany 1
#6 South Africa 1

Patent filings per year

Chart showing DIAMOND PRODUCTS INTERNATIONALs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines

Focus technologies

# Technology
#1 Earth drilling
#2 Spraying devices

Top inventors

# Name Total Patents
#1 Fielder Coy M 13
#2 Silva Rogerio H 4
#3 Fielder Coy Michael 4
#4 Weston Brad 4
#5 Thigpen Gary Michael 3
#6 Silva Roger 2
#7 Rebollido Henry 2
#8 Fielder Coy 2
#9 Rebollido Jr Henry P 1
#10 Clemens Gary W 1

Latest patents

Publication Filing date Title
IE20000494A1 Cutting Element with Stress Reduction
US6401845B1 Cutting element with stress reduction
EP1039095A2 Downhole drill bit
US6340064B2 Bi-center bit adapted to drill casing shoe
US6315067B1 Cutting element with stress reduction
US6412579B2 Two stage drill bit
US6026919A Cutting element with stress reduction
US6142248A Reduced erosion nozzle system and method for the use of drill bits to reduce erosion
US6068072A Cutting element
US6009960A Coring tool
US5992548A Bi-center bit with oppositely disposed cutting surfaces
US5803196A Stabilizing drill bit
US5678644A Bi-center and bit method for enhancing stability