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LANGSTON CORP

Overview
  • Total Patents
    76
About

LANGSTON CORP has a total of 76 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets textiles and paper, control and machines are ENGICO SRL, QINGDAO LEIGH MARDON PACKING CO LTD and RDP MARATHON INC.

Patent filings per year

Chart showing LANGSTON CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weishew Joseph John 22
#2 Weishew Joseph J 13
#3 Soistmann Thomas S 6
#4 Schorn Gerard J 5
#5 Porcella Joseph A 3
#6 Harris William Wilson 3
#7 Rubin Ephraim 3
#8 Wilson William Joseph 3
#9 John Weishew Joseph 3
#10 Keeny Thomas R 2

Latest patents

Publication Filing date Title
AU1935300A Vacuum assist transfer belt
AU8291998A Apparatus for printing corrugated board
US6012391A Ink/cleaning fluid delivery system for a chambered doctor blade
GB9802464D0 Adaptive control method and device
EP0913254A1 Apparatus for printing corrugated board
US5827162A Folder/gluer machine for paperboard blanks
GB9500937D0 Washing system for a flexographic printer
GB9426166D0 Printing apparatus
US5626709A Single facer corrugating roll flute contour
GB9406915D0 Automatic variable speed anvil system for rotary die-cut appartus
US5713256A Dual speed limits for a cut-off
GB9320088D0 Spacing fed articles, e.g. box blanks
US5493104A Method and apparatus for automatically separating boxes in a counter ejector into stacks
GB9211767D0 Counting box blanks or other variously shaped or printed articles
US5257299A Method and system for counting irregularly shaped moving articles
US5243907A Divider seal for split-fountain chambered doctor blade for a flexographic printing press
US5427136A Fluid level detection system
GB9417304D0 Printing and like apparatus having a roll with a doctor member
US5165342A Evacuation system for inking chamber
US5226363A Dual pressure preload system for maintaining a member