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ROTH CO ROY E

Overview
  • Total Patents
    97
  • GoodIP Patent Rank
    231,171
About

ROTH CO ROY E has a total of 97 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and machines are OTTO HAENTJENS, GORMAN RUPP CO and AUTO PRIME PUMP COMPANY.

Patent filings per year

Chart showing ROTH CO ROY Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sieghartner Leonard J 39
#2 Roth Paul E 12
#3 Roth Peter P 8
#4 Sieghartner L J 6
#5 Tim A Marske 4
#6 Krebs Linn S 4
#7 Marske Tim A 3
#8 Peter P Roth 3
#9 Linn S Krebs 3
#10 Roth Leo C 3

Latest patents

Publication Filing date Title
CA2828322A1 Drain vent for petroleum/chemical fluid pumping devices and method of making the same
CA2828319A1 Flow rate and pressure reduction assembly
US6190119B1 Multi-channel regenerative pump
US5934683A Rotary seal assembly having grooved seal facing
US5525039A Hermetically sealed magnetic drive pump
KR100255085B1 Turbine impeller
US5238253A Regenerative turbine flow inducer for double or tandem mechanical seals
US5137418A Floating self-centering turbine impeller
US4479756A Multi-stage pump
JPS5713300A Centrifugal impeller
US4299536A Multi-stage pumps
CA1130651A Centrifugal impellers
CA1152810A Multi-stage pump
US4248571A Centrifugal impellers
GB1575184A Sealing in rotary mechanisms
US3963371A Multi-stage pump
CA1011997A Motor-pump assembly
CA964115A Centrifugal impeller booster
US3690410A Cooling and lubricating system for bearings
US3734697A Pump impeller making