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CROW STEPHEN L

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    178,879
  • Filing trend
    ⇩ 100.0%
About

CROW STEPHEN L has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets civil engineering are MAGNUSSEN TERJE, PULSE IRELAND and CHUAN HOME MACHINERY CO LTD.

Patent filings in countries

World map showing CROW STEPHEN Ls patent filings in countries
# Country Total Patents
#1 United States 8
#2 EPO (European Patent Office) 3
#3 Canada 1
#4 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing CROW STEPHEN Ls patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Earth drilling

Top inventors

# Name Total Patents
#1 Crow Stephen L 13
#2 Guidry Christopher W 5
#3 Nordenstam Erik V 3
#4 Hedrick Marcelle H 3
#5 Hered William A 2

Latest patents

Publication Filing date Title
US2017321507A1 Running tool for recess mounted adaptive seat support for an isolating object for borehole treatment
US2013048273A1 Resettable lock for a subterranean tool
US2013048268A1 Multi-position mechanical spear for multiple tension cuts with releasable locking feature
US2012292028A1 Tubular cutting with a sealed annular space and fluid flow for cuttings removal
US2012292027A1 Tubular cutting with debris filtration
US2012285684A1 Multi-position mechanical spear for multiple tension cuts while removing cuttings