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BARR ROBERT A

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    221,322
About

BARR ROBERT A has a total of 17 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets machines, engines, pumps and turbines and consumer goods are VMI AZ EXTRUSION GMBH, BERSTORFF GMBH and GNEUSS DETLEF.

Patent filings per year

Chart showing BARR ROBERT As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barr Robert A 17
#2 Myers Jeffrey A 2

Latest patents

Publication Filing date Title
US2019082769A1 Helmet for playing sports
US2018079126A1 Independently driven device for use with plastic melt feed screw
US2014020157A1 Soft safe helmet
AU2002257190B2 Extruder screw with improved energy efficient melting
CA2273433A1 Melt bleeder extruder
EP1057612A1 Extruder screw with internal axial bore for melt transport
US6254266B1 Floating ring mixer for extruder
US4779989A Transfer mixer assembly for use with an extruder screw of a polymer extruder or the like
EP0184938A2 Wave pump assembly
US4558991A Wave pump assembly
US4558954A Extruder screw and positive displacement wave pump assembly
US4519712A Positive displacement pump assembly