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INGERSOLL DRESSER PUMP CO

Overview
  • Total Patents
    121
About

INGERSOLL DRESSER PUMP CO has a total of 121 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, machines and electrical machinery and energy are KYKY TECHNOLOGY DEV LTD, ANSIMAG INC and HAYWARD TYLER AND COMPANY LTD.

Patent filings per year

Chart showing INGERSOLL DRESSER PUMP COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nolte Paul A 19
#2 Buse Frederic W 17
#3 Cronin Richard J 9
#4 Fumagalli Vincenzo 7
#5 Schiavello Bruno 7
#6 Mccaul Colin 7
#7 Sloteman Donald P 7
#8 Cooper Paul 7
#9 Tran Richard 6
#10 Purton Robert M 6

Latest patents

Publication Filing date Title
NL1013523A1 Changeover valve with shut-off and expansion functions.
CA2283603A1 Forced closed-loop cooling for a submersible pump motor
US6050277A Decoking tool carrier with a self-propelled climbing crosshead
US6089823A Multi-stage vertical turbine pump with comminution
US6024494A Polymer-backed thrust bearings
US5993153A Open bowl for a vertical turbine pump
US5927860A Buttons for product lubricated thrust bearings
US5951267A Diaphragm for seal-less integral-motor pump
US6012909A Centrifugal pump with an axial-field integral motor cooled by working fluid
US5944482A Front-removable bearing housing for vertical turbine pump
US5921750A Compact interbowl assembly coupler for vertical turbine pumps
US5816505A Fluid jet decoking tool
US5779005A Constant flow cascade lubrication system
US5831364A Encapsulated magnet carrier
US5788473A Integral close coupling for a rotary gear pump
US5638285A System for dispensing dry agricultural chemicals
US5683185A Journal bearing retainer system with eccentric lock
GB9607593D0 Screw pump
US5687782A Transfer valve for a granular materials dispensing system
US5667357A Bearing and seal percolator for a centrifugal pump