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DUPPERT RONALD J

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    182,840
About

DUPPERT RONALD J has a total of 17 patent applications. Its first patent ever was published in 2008. It filed its patents most often in United States. Its main competitors in its focus markets engines, pumps and turbines, machines and materials and metallurgy are HICOR TECH INC, SULLAIR TECH AB and GUANGDONG MEIZHI REFRIGE EQUIP.

Patent filings in countries

World map showing DUPPERT RONALD Js patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing DUPPERT RONALD Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duppert Ronald J 17
#2 Wang Xianghong 3
#3 Bush James W 3
#4 Bessel Kurt William Robert 2
#5 Heusler Kenneth D 2
#6 Beagle Wayne P 1
#7 Bush James William 1
#8 Rogalski Thomas 1

Latest patents

Publication Filing date Title
US2016369798A1 Scroll compressor with unmachined separator plate and method of making same
US2017022989A1 Unfastened thrust plate
US2017002812A1 Two-piece suction fitting
US2017002811A1 Cast-in offset fixed scroll intake opening
US2016369799A1 Separator plate with inlet curve
US2015247500A1 Key coupling and scroll compressor incorporating same
US2013251563A1 Press-fit bearing housing with non-cylindrical diameter
US2013251543A1 Compressor with oil return passage formed between motor and shell
US2013251544A1 Suction duct with adjustable diametric fit
US2013251569A1 Crankshaft with aligned drive and counterweight locating features
US2013251573A1 Press-fit bearing housing with large gas passages
US2011064597A1 Optimized discharge port for scroll compressor with tip seals
US2010092320A1 Inlet screen and scroll compressor incorporating same
US2010092319A1 Suction duct and scroll compressor incorporating same
US2009185929A1 Mounting base and scroll compressor incorporating same