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LESTEEL SPRING CO LTD

Overview
  • Total Patents
    19
About

LESTEEL SPRING CO LTD has a total of 19 patent applications. Its first patent ever was published in 1972. It filed its patents most often in South Africa, Australia and United Kingdom. Its main competitors in its focus markets civil engineering are PANDROL AUSTRALIA PTY LTD, ANCHOR COMPANY and NIIRANEN JAAKKO.

Patent filings in countries

World map showing LESTEEL SPRING CO LTDs patent filings in countries
# Country Total Patents
#1 South Africa 8
#2 Australia 3
#3 United Kingdom 2
#4 Argentina 1
#5 Brazil 1
#6 Canada 1
#7 Spain 1
#8 Italy 1
#9 Japan 1

Patent filings per year

Chart showing LESTEEL SPRING CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Machines for making railways

Top inventors

# Name Total Patents
#1 Gehrke E 7
#2 Gehrke E F 2
#3 King G 1
#4 Eruritsuhi Furantsu Geruke 1
#5 Kriel L 1
#6 Gehrke Erich F 1
#7 Gehrke Erich Franz 1

Latest patents

Publication Filing date Title
ZA7803723B Improvements relating to rail fasteners
AU2607677A Rail insulating pad
JPS52153505A Rail pad
ZA7607313B Improvements in or relating to rail spring clips
ZA7605130B Improvements relating to rail fastenings
AU1506976A Railtrack fastening means
ZA7603479B Support and/or locating means for rails in rail tracks
ZA7506824B Improvements in or relating to insulated rail track joint
ZA7308381B Rail seating
ZA7305635B Improvements in rail clamps
ZA7204071B Improvements in rail pad assemblies