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CDP LTD

Overview
  • Total Patents
    23
About

CDP LTD has a total of 23 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy and civil engineering are YONG ZHOU, SICHUAN CHUANSHI DIAMOND BIT CO LTD and VAREL INT IND L L C.

Patent filings in countries

World map showing CDP LTDs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 5
#3 EPO (European Patent Office) 5
#4 Japan 2
#5 Australia 1
#6 Mexico 1

Patent filings per year

Chart showing CDP LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Civil engineering

Focus technologies

# Technology
#1 Working metallic powder
#2 Earth drilling
#3 Alloys

Top inventors

# Name Total Patents
#1 Ecer Gunes M 22
#2 Jiyuunsu Emu Iisaa 1

Latest patents

Publication Filing date Title
US4592252A Rolling cutters for drill bits, and processes to produce same
US4630692A Consolidation of a drilling element from separate metallic components
US4603062A Pump liners and a method of cladding the same
US4554130A Consolidation of a part from separate metallic components
US4597456A Conical cutters for drill bits, and processes to produce same
US4562892A Rolling cutters for drill bits
US4533004A Self sharpening drag bit for sub-surface formation drilling