Learn more

DUBOIS R CLARK

Overview
  • Total Patents
    37
About

DUBOIS R CLARK has a total of 37 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States, Japan and Germany. Its main competitors in its focus markets packaging and shipping, optics and textiles and paper are MESCHI LUCIANO, MESCHI IND GRAFICA and ENERGY SAVING PRODUCTS AND SAL.

Patent filings in countries

World map showing DUBOIS R CLARKs patent filings in countries

Patent filings per year

Chart showing DUBOIS R CLARKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dubois R Clark 27
#2 Aaru Kuraaku Douboisu 5
#3 Aaru Kuraaku Deyubowasu 2
#4 Jiyon Hamuma 2
#5 Streeter Jun Robert K 1
#6 Streeter Robert K 1
#7 Streeter Jr Robert K 1
#8 Robaato Kei Sutoriitaa Jiyunia 1
#9 Streeter Robert 1
#10 Dubois Clark 1

Latest patents

Publication Filing date Title
US2007051006A1 Tape measure with detachable tape
US5078377A Document feeder
US5131644A Sorter and receiving tray
US4936563A Document feeder with improved adjustable support control panels
US5022639A Document feeder with improved recyclable document control
US4925175A Apparatus for feeding sheets to a copying machine
EP0224171A2 Automatic document feeder for copying machines
JPS62126044A Document copier
US4632376A Drive mechanism for document copier
US4674738A Stop-mechanism for document copier
US4674735A Automatic sheet feeder for copiers and other machines having sheet transport mechanisms and assemblies therewith
US4688783A Bottom feed sheet feeding apparatus
US4702466A Sheet material feeder for copiers and other sheet processing apparatus
GB8429864D0 Automatic shoot feeding device, particularly for copiers and other machines having sheet transport mechanisms and assemblies therewith
CA1223287A Large capacity paper tray and feeder for photocopy machine
US4526361A Document turnover device
US4560156A Device for drop-feeding sheet material into a printing apparatus or the like
US4515053A Continuous web feeder with web cutting means
US4522519A Apparatus and process for drop-feeding sheets to a typing or printing machine including separable paper clamping trays