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SPAN TENDONS LTD

Overview
  • Total Patents
    16
About

SPAN TENDONS LTD has a total of 16 patent applications. Its first patent ever was published in 1957. It filed its patents most often in Austria, Belgium and Canada. Its main competitors in its focus markets civil engineering and consumer goods are STALIN KONSULTER AB, AMARULA PTY LTD and GOLDING JOHN FRENCH.

Patent filings in countries

World map showing SPAN TENDONS LTDs patent filings in countries
# Country Total Patents
#1 Austria 2
#2 Belgium 2
#3 Canada 2
#4 Spain 2
#5 Finland 2
#6 France 2
#7 United Kingdom 2
#8 United States 2

Patent filings per year

Chart showing SPAN TENDONS LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Consumer goods

Focus technologies

# Technology
#1 Structural elements
#2 Ropes

Top inventors

# Name Total Patents
#1 Harris Alan James 6
#2 James Harris Alan 4
#3 Harris Alan J 2

Latest patents

Publication Filing date Title
ES250075A1 Improvements introduced in the manufacture of pretension tendons for the pretension of concrete (Machine-translation by Google Translate, not legally binding)
ES250076A1 A pretensor device (Machine-translation by Google Translate, not legally binding)
US3060640A Cables for prestressing concrete
US3114987A Cables for prestressing concrete
FR1236048A Improvements to pre-stressing devices for concrete
FR1236047A Improvements to processes and devices for pre-stressing concrete
GB841770A Improvements relating to cables for prestressing concrete
GB838090A Improvements relating to cables for pre-stressing concrete
CA641619A Cables for prestressing concrete
CA645922A Cables for prestressing concrete