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HEPWORTH IRON CO LTD

Overview
  • Total Patents
    314
About

HEPWORTH IRON CO LTD has a total of 314 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United Kingdom, France and Ireland. Its main competitors in its focus markets mechanical elements, machines and thermal processes are ONDA MFG CO LTD, FABRICATION DE TUBES EN MATIER and TANGSHAN XINGBANG PIPE CONSTRUCTION EQUIPMENT CO LTD.

Patent filings per year

Chart showing HEPWORTH IRON CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Glover John Benjamin 50
#2 Carter Raymond Charles 26
#3 Glover J 19
#4 Glover J B 19
#5 Booth John Frederick 18
#6 Glover John B 18
#7 Smith Oscar Harris 9
#8 Kaye Frank 8
#9 Booth John F 7
#10 Adie Colin 7

Latest patents

Publication Filing date Title
IE891217L Method for determining state of disease progression
GB8728910D0 Underground drainage
GB8719012D0 Underground drainage
GB8706057D0 Spigot and socket pipe joints
GB8624106D0 Jointing pipes
GB8610493D0 Jointing pipes
GB8530731D0 Pipe joints
GB8524006D0 Coupling pipes
GB8517073D0 Pipe pipe couplings &c
GB8414197D0 Coupling pipes
GB8315323D0 Coupling pipes
AU1455383A Inspection chamber
GB2129082A Pipe couplings - cable supports
US4382051A Method for firing ceramic products
AU6446280A Pipe coupling
CA1112261A Coupling pipes
GB2021743A Method and apparatus for firing ceramic products
AU4731079A Clay products
EP0005940A1 Method and apparatus for firing ceramic products
GB2031480A Manholes