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DUNN JOHN P

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    212,840
About

DUNN JOHN P has a total of 15 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States and Canada. Its main competitors in its focus markets chemical engineering, it methods for management and mechanical elements are OSKI AKT GES, NIPPONKAI HEAVY IND CO LTD and LI ZHENXIN.

Patent filings in countries

World map showing DUNN JOHN Ps patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 2

Patent filings per year

Chart showing DUNN JOHN Ps patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dunn John P 15
#2 Wood Albert G 1
#3 Jackson Steve H 1
#4 Mckaig Archibald Sr 1
#5 Ledford Stephen 1

Latest patents

Publication Filing date Title
US2019308201A1 Vane electrostatic preciptator (vep) with cleanable horizontal discharge electrodes and movable floating
US9789495B1 Discharge electrode arrangement for disc electrostatic precipitator (DEP) and scrapers for both disc and discharge electrodes
US2014283686A1 Vane electrostatic precipitator
US2013186270A1 Vane electrostatic precipitator
US2013118349A1 Vane electrostatic precipitator
US2013036906A1 Vane electrostatic precipitator
CA2674829A1 Grid type electrostatic separator/collector and method of using same
US2011024428A1 Multi-nut retention mechanism
US2009071328A1 Grid type electrostatic separator/collector and method of using same
CA2640907A1 Grid type electrostatic separator/collector and method of using same
US2006187609A1 Grid electrostatic precipitator/filter for diesel engine exhaust removal
US8725607B2 Electronic payment clearing and check image exchange systems and methods
US4071169A Electrostatic metering device
US911812A Horseshoe.