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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 91 | |
#2 | Canada | 37 | |
#3 | United Kingdom | 12 | |
#4 | Australia | 7 | |
#5 | EPO (European Patent Office) | 7 | |
#6 | Brazil | 4 | |
#7 | Germany | 4 | |
#8 | France | 4 | |
#9 | China | 3 | |
#10 | Taiwan | 2 | |
#11 | WIPO (World Intellectual Property Organization) | 2 | |
#12 | South Africa | 2 | |
#13 | Mexico | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Civil engineering | |
#3 | Packaging and shipping | |
#4 | Machines | |
#5 | Electrical machinery and energy | |
#6 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Machines for making railways | |
#2 | Transport or storage devices | |
#3 | Railway bodies | |
#4 | Load transportation vehicles | |
#5 | Unspecified technologies | |
#6 | Unspecified technologies | |
#7 | Milling | |
#8 | Railway equipment | |
#9 | Shafts | |
#10 | Dynamo-electric machines |
# | 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 |
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 |