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PORTEC INC

Overview
  • Total Patents
    176
About

PORTEC INC has a total of 176 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, civil engineering and packaging and shipping are B & B METALS INC, B&B METALS INC and DUERR AUTOMATION & FOERDERTECH.

Patent filings per year

Chart showing PORTEC INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pruett David M 11
#2 Tatina Richard A 10
#3 Broling Keith W 9
#4 Fischer Richard L 9
#5 Hamilton William R Jr 8
#6 Ruble Emerson J 6
#7 Brown Robert D 6
#8 Dorscht John P 5
#9 Klemm Ernest L 5
#10 Robertson James C 5

Latest patents

Publication Filing date Title
WO2013184917A1 Conveyor driven by a cam
EP2671822A2 Conveyor
CN101137852A Ball transfer device
CN101102948A Motorized pulley
EP1819613A2 Motorized pulley
EP1825155A2 Ball transfer device
US6050395A Knife edge converter
US5598914A Removable sidewall for a molded spiral chute
US5732827A Screening apparatus
US5482152A Sortation table
CA2126543A1 Overload indicator for load tie downs
US5484111A Hammers for hammer mills
US5394958A Rail lubrication apparatus
US5394977A Apparatus and method for use in replacing conveyor belts
AU3342293A Tumble grinder with screen portion
US5294065A Portable screening/dosing/mixing plant
US5348120A Rail lubrication apparatus
GB9212027D0 Rail and flange lubricating apparatus for railway tracks
US5143207A Tension controlling and shock absorbing apparatus for an endless conveyor
US5060788A Chain guide mounting apparatus