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GRADCO SYSTEMS INC

Overview
  • Total Patents
    56
About

GRADCO SYSTEMS INC has a total of 56 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets packaging and shipping, optics and textiles and paper are FUJI XEROX SHANGHAI LTD, OBUCHI YUSUKE and AOYAMA JUMPEI.

Patent filings in countries

World map showing GRADCO SYSTEMS INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 France 9
#3 United Kingdom 9
#4 Germany 8
#5 Canada 7
#6 Japan 6
#7 Switzerland 4
#8 Italy 2
#9 EPO (European Patent Office) 1

Patent filings per year

Chart showing GRADCO SYSTEMS INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Packaging and shipping
#2 Optics
#3 Textiles and paper

Top inventors

# Name Total Patents
#1 Lawrence Frederick J 14
#2 Coombs Peter M 12
#3 Graafmans Hans 8
#4 Hamma John C 8
#5 Dubois R Clark 5
#6 Cross George M 4
#7 Dubois Robert Clark 3
#8 Piitaa Emu Kuumusu 3
#9 Hamma John Charles 3
#10 Lawrence Frederick 2

Latest patents

Publication Filing date Title
FR2638725A1 APPARATUS FOR RECOVERING PAPER SHEETS EXTINGUISHING A PRINTING APPARATUS
US4977432A Decurling and offsetting device
US4843434A Random access sheet receiver
US5066984A Decurler
JPH01133866A Sheet receiving device
US4691914A Sheet receiver
CA1234174A Sheet sorting machine
JPS61136865A Sheet collator
GB8430779D0 Sheet sorting apparatus
FR2553394A1 SEMIAUTOMATIC DOCUMENT FEEDING DEVICE FOR COPIER
FR2543929A2 SHEET SORTER
DE3413238A1 BOW SORTING DEVICE
GB8321366D0 Apparatus for sorting photocopies
US4842261A Printer feeder
US4911424A Sheet sorting machine
US4500087A Drop tray sorter
US4478406A Apparatus for sorting photocopies
US4466609A Compact sheet sorter
US4466608A Movable tray sheet sorter