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WEATHERFORD INTERNATIONAL INC

Overview
  • Total Patents
    17
About

WEATHERFORD INTERNATIONAL INC has a total of 17 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, chemical engineering and measurement are BRANDSDAL VIGGO, DRILLING & SERVICE UK LTD and BLACKHAWK SPECIALTY TOOLS LLC.

Patent filings in countries

World map showing WEATHERFORD INTERNATIONAL INCs patent filings in countries

Patent filings per year

Chart showing WEATHERFORD INTERNATIONAL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Scott Matthew T 5
#2 Olsen Peter Martin 3
#3 Eeles John William 3
#4 Wilson Paul J 3
#5 Carisella James V 3
#6 Johnson Ronald Leslie 2
#7 Buytaert Jean P 1
#8 Jansch Manfred 1
#9 Wilkin James Frederick 1
#10 Tokar John W 1

Latest patents

Publication Filing date Title
US2003127222A1 Modular liner hanger
US6691776B2 Downhole tool retention apparatus
US6202748B1 Multi-stage maintenance device for subterranean well tool
US6213217B1 Gas operated apparatus and method for maintaining relatively uniformed fluid pressure within an expandable well tool subjected to thermal variants
US6305477B1 Apparatus and method for maintaining relatively uniform fluid pressure within an expandable well tool subjected to thermal variants
US6105675A Downhole window milling apparatus and method for using the same
US6050340A Downhole pump installation/removal system and method
US5960886A Deep well pumping apparatus
NL9202234A Device for the temporary sealing of drilling well piping