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LYSAGHT LTD JOHN

Overview
  • Total Patents
    59
About

LYSAGHT LTD JOHN has a total of 59 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United Kingdom, France and South Africa. Its main competitors in its focus markets surface technology and coating, machine tools and civil engineering are LYSAGHT AUSTRALIA LTD, WILLIAM EWART WATKINS and ARMCO STEEL CO LP.

Patent filings per year

Chart showing LYSAGHT LTD JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harvey G 4
#2 Reid P 4
#3 North M 4
#4 Marks A 3
#5 Harding C 3
#6 Grove M 2
#7 Andrew B 1
#8 Harding Cg 1
#9 Barret R 1
#10 Harokins John 1

Latest patents

Publication Filing date Title
ZA7606368B Press mechanism for stamp forming articles form plate material
US3840952A Method and apparatus for making expanded metal sheets
ZA7005698B Composition and process for inhibiting corrosion of zinc surfaces
FR2050040A5 Removal of excess coating liquid from moving - strip
ZA7003660B Stripping excess coating liquid from moving strip material
CA919525A Stripping excess coating liquid from moving strip material
ZA7003573B Stripping excess coating liquid from moving strip material
DE1916446A1 Method for the electrolytic treatment of a surface side of an object
GB561416A Improvements in methods of cooling pickling tanks
GB505968A Improvements in or relating to rolling mills
GB516112A Improvements in or relating to rolling mills
US2115613A Reversible regenerative furnace
GB421502A Improvements in ratchet feeding devices for heating furnaces
GB403976A Improvements in conveying devices
GB381266A Improvements in and relating to skylights in corrugated sheet metal roofing
GB379477A Improvements in and relating to skylights in corrugated sheet metal roofing
GB379744A Improvements relating to gas-heated furnaces
GB236970A Improved means for pre-heating air for combustion in furnaces
GB205920A Improved manufacture of galvanised iron or steel
GB191122147A Improvements in Wire-Netting Machines.