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LEESONA CORP

Overview
  • Total Patents
    1,627
About

LEESONA CORP has a total of 1,627 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, textiles and paper and electrical machinery and energy are LESSONA CORP, DONGGUAN ARECONN PREC MACHINERY CO LTD and UNIV CHONGQING RADIO & TV.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Brouwer Charles W 60
#2 Oswin Harry G 37
#3 Richter Hans H 35
#4 Niederer Kurt W 29
#5 Bell Charles C 29
#6 Pitts Thomas E 28
#7 Hilbert Richard G 23
#8 Arends Albert W 22
#9 Tata Raymond V 21
#10 Lieb Harry C 19

Latest patents

Publication Filing date Title
US4566646A Take-up machine motor control
CA1190373A Trim press with oscillating canopy sheet feed
US4555377A Thermoforming methods and apparatus
US4518126A Take-up mechanism
US4502588A Apparatus and methods for transferring nested stacks of plastic articles from an elevated chute to an underlying conveyor surface
US4509909A Clamp mechanism for differential pressure thermoformer
CA1157347A Air weft insertion nozzle control system
US4528556A Defective motor brush detector
CA1162369A Hollow article forming apparatus and method
US4450874A Yarn clamp
US4471817A Fluid weft insertion loom monitoring system
US4471818A Fluid weft insertion loom monitoring system
CA1152863A Strand delivery and storage system
CA1152864A Strand delivery and storage system
CA1152865A Strand delivery and storage system
US4529372A Hollow article forming apparatus
CA1150468A Trim press
US4464329A Differential pressure synthetic plastic forming machine and method with formed article carrier means
US4454084A Extrusion die control system
US4454997A Inlet guide means for strand user devices