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SIMON ENG DUDLEY LTD

Overview
  • Total Patents
    141
About

SIMON ENG DUDLEY LTD has a total of 141 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets packaging and shipping, civil engineering and transport are A O NORTON INC, KOOI BV and LUNATI PETER J.

Patent filings per year

Chart showing SIMON ENG DUDLEY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ashworth Denis Henry 28
#2 Ashworth Denis H 11
#3 Ashworth D H 5
#4 Johns David Laurence 4
#5 Ashworth D 4
#6 Denisu Henrii Atsushiyuwaasu 3
#7 Simpson Peter 3
#8 Clark Eric Innes 2
#9 Simpson P 2
#10 Abson J 2

Latest patents

Publication Filing date Title
GB8818981D0 Improvements in control systems
US4687073A Hydraulically elevatable access equipment
GB8408569D0 A motor vehicle with elevatable working platform
GB8327390D0 A vehicle having a demountable work platform
GB8320618D0 Hydraulically elevatable access equipment
GB8314771D0 An access platform
US4536009A Vehicle stabilizing system
DE3318087A1 Elevating platform
NZ203963A Telescoping boom-levelling cables for working platform at boom extremity pass through boom
GB8310483D0 An articulated telescopic boom assembly
GB2062258A Safe load indicator
JPS55151499A Access device
DE2917674A1 Hydraulically operated access equipment - having control cable to maintain orientation of work bucket during raising or lowering of boom
IT7922053D0 Hydraulically operated access equipment - having control cable to maintain orientation of work bucket during raising or lowering of boom
US4296833A Hydraulically operated access equipment
GB2015467A Hydraulically operated access equimpment
GB1565493A Hydraulic platforms
GB1537771A Access equipment
GB1517730A Access equipment
GB1549800A Hydraulically operated access equipment