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PETROLINE WIRELINE SERVICES

Overview
  • Total Patents
    60
About

PETROLINE WIRELINE SERVICES has a total of 60 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United Kingdom, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets civil engineering, machines and mechanical elements are WELL EQUIP LTD, SPECIALISED PETROLEUM SERVICES GROUP LTD and DYNAMIC TUBULAR SYSTEMS INC.

Patent filings per year

Chart showing PETROLINE WIRELINE SERVICESs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines
#3 Mechanical elements

Focus technologies

# Technology
#1 Earth drilling
#2 Unspecified technologies
#3 Nails
#4 Pipes

Top inventors

# Name Total Patents
#1 Mchardy Colin 14
#2 Campbell Alasdair 9
#3 Zwart Klaas 7
#4 Metcalfe Paul David 4
#5 Moyes Peter Barnes 3
#6 Zwart Klaas Johannes 3
#7 Scott Brian 2
#8 Klaas Johannes Zwart 1
#9 Moyes Peter B 1
#10 Sharp Allan Cassells 1

Latest patents

Publication Filing date Title
GB9625937D0 Downhole running tool
GB9625939D0 Expandable tubing
CN1204379A Tubing connector
GB9623797D0 Tubing connector
GB9612609D0 Downhole apparatus
GB9525244D0 Tubing connector
GB9524109D0 Downhole apparatus
GB9522942D0 Downhole tool
GB9522926D0 Downhole assembly
GB9515362D0 Improved check valve
GB9510465D0 Connector assembly
GB9506788D0 Casing and liner cementing
GB9424226D0 Improvements in and relating to valves
GB9423341D0 Bore sealing
GB9323452D0 Improvements in and relating to downhole tools
WO9305267A2 Pack-off tool
GB9207321D0 Pack-off element
GB9118693D0 Pack off element
GB9118408D0 Lock mandrel for downhole assemblies
GB9111381D0 Centraliser