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HAILEY CHARLES D

Overview
  • Total Patents
    42
About

HAILEY CHARLES D has a total of 42 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets civil engineering, measurement and mechanical elements are SUDELAC LTD, SUNRISE ENERGY TECH LTD and MERIP OIL TOOLS INT.

Patent filings per year

Chart showing HAILEY CHARLES Ds patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Hailey Charles D 30
#2 Hailey Charles David 11
#3 Blount Curtis G 4
#4 Hightower Charles M 4
#5 Beagle Ronald Max 2
#6 Beagle Ronald M 2
#7 Jenkins Robert L 1

Latest patents

Publication Filing date Title
CA2424196A1 Downhole lubrication replenishment
US7036595B2 Removal of tubulars from wells
CA2357754A1 Lining removal method, system and components thereof
WO9834002A1 Bottom rotation shaft actuator
AU4282196A Method and apparatus for forming a window in a subsurface well conduit
GB9511331D0 Coil tubing hydraulic jar device
GB9408735D0 Cutter blades for rotary tubing tools
CA2105930A1 Hydraulic jar device
US5350015A Rotary downhole cutting tool
US5201817A Downhole cutting tool
US5242017A Cutter blades for rotary tubing tools
US5174374A Clean-out tool cutting blade
GB9116924D0 Enhanced diameter clean-out tool and method
US5076365A Down hole oil field clean-out method
US4809793A Enhanced diameter clean-out tool and method
DK616984A APPARATUS AND PROCEDURE FOR TESTING MULTIPLE INHERENT CONNECTED Pipe Sections
CA1222398A Apparatus for internally testing a plurality of interconnected pipe sections
US4618314A Fluid injection apparatus and method used between a blowout preventer and a choke manifold
US4519238A Apparatus for internally testing a plurality of interconnected pipe sections
US4383436A Pipe tester