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SPIRO INVESTMENT SA

Overview
  • Total Patents
    45
About

SPIRO INVESTMENT SA has a total of 45 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United Kingdom, EPO (European Patent Office) and Canada. Its main competitors in its focus markets machine tools, mechanical elements and thermal processes are HERMANSON JEFFREY ALLEN, MEINIG KG KARL and SHOWARASENKAN SEISAKUSHO CO LTD.

Patent filings in countries

World map showing SPIRO INVESTMENT SAs patent filings in countries

Patent filings per year

Chart showing SPIRO INVESTMENT SAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jensen Tor Anders 5
#2 Virag Ferenc 5
#3 Berglund Bengt 5
#4 Virag F 4
#5 Lagasse Paul-Emile 4
#6 Jensen Tor A 3
#7 Erling Jensen 2
#8 Jensen T A 2
#9 Bengt Berglund 1
#10 Rosengren S 1

Latest patents

Publication Filing date Title
EP0128690A1 Improvements in fluid flow control valves
EP0124152A1 Devices for the assembly of seamed hollow bodies
GB8314622D0 Throttled fluid mixing devices
GB8314621D0 Fluid flow control valves
EP0055254A1 Method of packaging for transport of components of a hall and package made by this method
US4305418A Fluid flow control valve
GB2016969A Protduktion of tubing
DE2840962A1 Push-in coupling for coaxial pipes - has seal of cellular material with porous surface sloping outwards from fixing surface
GB1599379A Tube-forming machines
GB1598943A Tube-forming machines
GB1587480A Process for forming curved hollow elements and an apparatus for carrying out this process
GB1599350A Connector for interconnecting lenghts of tubing
GB1598944A Tube-forming machines
GB1603072A Valve for air flow control
GB1574794A Connecting lengths of tubing