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GEARHART UNITED PTY LTD

Overview
  • Total Patents
    27
About

GEARHART UNITED PTY LTD has a total of 27 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Australia, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets civil engineering and mechanical elements are FENTON STEPHEN P, TEXAS IRON WORKS and ARCHER OIL TOOLS AS.

Patent filings per year

Chart showing GEARHART UNITED PTY LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Mechanical elements

Focus technologies

# Technology
#1 Earth drilling
#2 Venting or aerating devices

Top inventors

# Name Total Patents
#1 Mcmanus Terry Michael 12
#2 Kennedy John Francis 7
#3 Kennedy John F 1

Latest patents

Publication Filing date Title
NZ545622A Rotary roller reamer
AU2004269049A1 Rotary roller reamer
AU3988097A Stabiliser tool adjustment
AUPO276096A0 Stabiliser tool adjustment
AUPO166296A0 Borehole anti-whirl reamer
AU4932596A Bi-directional roller reamer
AUPN496795A0 Borehole anti-whirl reamer
AUPN469395A0 Borehole drill bit stabiliser
AUPN183295A0 Bi-directional roller reamer
AUPN088495A0 Down hole drilling pad stabiliser
AUPN071895A0 Down hole drilling roller reamer body
AU8134694A Improved rotary roller reamer
WO9513452A1 Improved rotary roller reamer
AU1859188A Rotary roller reamer
AU7977287A Kelly cock