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NAT RES CORP

Overview
  • Total Patents
    514
About

NAT RES CORP has a total of 514 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machines, surface technology and coating and materials and metallurgy are CHROMALLOY AMERICAN CORP, OHIO COMMW ENG CO and MOORE DROP FORGING COMPANY.

Patent filings in countries

World map showing NAT RES CORPs patent filings in countries

Patent filings per year

Chart showing NAT RES CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clough Philip J 42
#2 Allen Lloyd R 27
#3 Steeves Robert W 20
#4 Stauffer Robert A 17
#5 Hnilicka Jr Milo P 16
#6 Baer Charles A 14
#7 Roehrig Jonathan R 14
#8 Findlay Gordon R 13
#9 Lawrance Richard B 11
#10 Keller Wayne H 11

Latest patents

Publication Filing date Title
GB2104334A Automatic focusing device
AU4989672A Ear Plug
GB1400610A Energy absorning compositions
US3795494A Erosion resistant wares composed predominantly of chromium bearing steel
US3799830A Method of producing boron carbide film laminates
US3835319A Cold cathode ion source mass spectrometer with straight line arrangement of ion source and analyzer
CA931442A Composite materials
GB1316566A Energy-absorbing laminate
CA931441A Method of coating stiff materials onto fragile, heat vulnerable substrate webs
CA954028A Energy-absorbing material
DE2107498A1 Low temp service aircraft engine compressor bucket - boron carbide coated
DE2106072A1 Three layer vinyl chloride polymer shock absorbing structure
GB1332348A Silicon carbide junction diode
GB1317617A Protection of structural parts from abrasion
US3661662A Composite materials with flake reinforcement
US3671306A Boron carbide film product
US3660146A Method of coating stiff materials onto fragile, heat vulnerable substrate webs
US3666578A Production of high modulus laminates
US3612030A Rock sampling
US3681063A Method of making metal fibers