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R W GUNSON SEEDS LTD

Overview
  • Total Patents
    31
About

R W GUNSON SEEDS LTD has a total of 31 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets machines and chemical engineering are SICHUAN JIEXING MACHINERY EQUIPMENT CO LTD, ANZAI SOGO KENKYUSHO KK and FACCHINELLI ADRIANO.

Patent filings in countries

World map showing R W GUNSON SEEDS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 France 6
#3 Germany 5
#4 United States 5
#5 Canada 2
#6 Austria 1
#7 Belgium 1
#8 Denmark 1
#9 Spain 1

Patent filings per year

Chart showing R W GUNSON SEEDS LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Fraenkel Herbert 11
#2 Herbert Fraenkel 3
#3 Nelson William Bernhard 2
#4 Herbert Frankel 1
#5 Bernhard Nelson William 1
#6 Okolicsanyi Ferenc 1
#7 Nelson William B 1

Latest patents

Publication Filing date Title
GB929104A Improvements relating to the sorting of translucent objects
US3053497A Ejector device
DE1143345B Sorting device
DE1172445B Sorting machine for sorting objects within a certain sorting spectral range
GB885284A Ejector device
US2975898A Apparatus for drying and cleaning seeds
DE1105259B Method and device for drying and cleaning seeds or the like.
US3066797A Colour sorting machines
GB885285A Improvements in or relating to colour sorting machines
GB885286A Improvements in or relating to colour sorting machines
GB885287A Improvements in or relating to colour sorting machines
GB885283A Improvements in or relating to colour sorting machines
GB838690A A new or improved method of and apparatus for drying and cleaning seeds and the like
US3002617A Grading machines
ES235399A1 A machine to classify (Machine-translation by Google Translate, not legally binding)
DE1093177B Sorting machine
GB814542A Improvements in grading machines
GB737328A A method of, and apparatus for, sorting small articles
US2646880A Photoelectric sorting of small articles
CA630994A Method of and apparatus for drying and cleaning seeds and the like