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GCO

Overview
  • Total Patents
    23
About

GCO has a total of 23 patent applications. Its first patent ever was published in 1968. It filed its patents most often in France, United States and United Kingdom. Its main competitors in its focus markets measurement, machines and optics are MERZ ENGINEERING COMPANY, MATERIEL AUTOMOBILE SA CONST and GCOPTRONICS INC.

Patent filings in countries

World map showing GCOs patent filings in countries
# Country Total Patents
#1 France 10
#2 United States 7
#3 United Kingdom 3
#4 Canada 2
#5 Italy 1

Patent filings per year

Chart showing GCOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Champagne Edwin B 3
#2 Kersch Leonard A 2
#3 Kolter Roland K 1
#4 Penn Robert C 1
#5 Neumann D 1
#6 Porter K 1
#7 Neumann Don B 1
#8 Kersch L 1
#9 Brown G 1
#10 Champagne E 1

Latest patents

Publication Filing date Title
US3897995A Method and apparatus for performing holographic interferometry
US3804397A Automatic positioning vacuum cup
CA954735A Holographic interferometry employing image-plane holograms
US3692381A Holography with specular objects
US3659947A Holographic apparatus with automatic control system for maintaining constant phase relation between reference and object beams
GB1311999A Apparatus for forming holograms employing beam equalisation for object movement
GB1312293A Apparatus and method for simultaneously inspecting aplurality of surfaces of a body by holographic interferometry
US3860346A Method of compensating for gross object motion in real time holographic interferometry
US3749470A Extended field depth holographic method and apparatus
US3586889A Means for resiliently mounting transducer elements between a housing and an inertial mass