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LAYSTALL ENG CO LTD

Overview
  • Total Patents
    49
About

LAYSTALL ENG CO LTD has a total of 49 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United Kingdom, Japan and France. Its main competitors in its focus markets mechanical elements, machine tools and machines are BOWER ROLLER BEARING CO, THYSSENKRUPP METALURGICA CAMPO LIMPO LTDA and A EHRENREICH & CIE.

Patent filings in countries

World map showing LAYSTALL ENG CO LTDs patent filings in countries

Patent filings per year

Chart showing LAYSTALL ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jiyon Aanesuto Tanaa 7
#2 Tanner John Ernest 6
#3 Bowers Martin Robert 5
#4 Hedgecock Stanley 3
#5 Tanner John E 3
#6 Iino Tsugio 3
#7 Tanner J E 2
#8 Stanley Hedgecock 2
#9 Janet Hedgecock Vivien 2
#10 John Hedgecock 2

Latest patents

Publication Filing date Title
GB0315471D0 Absolute positioning device for actuating cylinders
GB0208341D0 Curtain side intrusion sensing device
US6527623B1 Method of treating a surface with hard particles using free running rollers
GB9817237D0 Method of treating a surface
GB8722054D0 Manufacture of cylinder liners
JPS5943895A Production of aluminum alloy cylinder or cylinder liner for internal combustion engine
JPS5859763A Finishing work for piston-ring groove
JPS5856764A Finishing method for synchronous inner and outer rings and device for the same
DE3102221A1 METHOD FOR PRODUCING PISTON RINGS
GB1578228A Cylinders or cylinders liners with plated bores
GB1573427A Manufacture of cylinder liners
GB1574141A Cylindrical and swept bearing surfaces
GB1466066A Hard wearing bearing or friction surfaces
GB1456504A Treatment of machine surfaces
GB1372171A Internal cylindrical bearing surfaces
US3171189A Method of making cylindrical bearing surfaces
US3196655A Liners or sleeves for engine cylinders and the like
GB992743A Improvements relating to cylindrical bearing surfaces
GB912705A Improvements relating to liners or sleeves for engine cylinders and the like
GB912706A Metal working tool