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PODBIELNIAK WALTER J

Overview
  • Total Patents
    16
About

PODBIELNIAK WALTER J has a total of 16 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, chemical engineering and measurement are CHESTER F HOCKLEY, AMICON INC and PEDERSEN GEORGE C.

Patent filings in countries

World map showing PODBIELNIAK WALTER Js patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 4

Patent filings per year

Chart showing PODBIELNIAK WALTER Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Podbielniak Walter J 16

Latest patents

Publication Filing date Title
US2143451A Method and apparatus for the manufacture of a spiral
US2109375A Apparatus for effecting countercurrent contact between fluids
US2123799A Heat treatment of hydrocarbon gases
US2093645A Method and apparatus of refining hydrocarbon oil
US2093644A Control apparatus
US2041725A Art of refrigeration
US2003308A Centrifugal fractionating method and apparatus
US1967258A Distillation control device
US1909315A Insulated jacket for distillation apparatus
US2004011A Centrifugal counter current contact apparatus
US1917272A Analytical fractionating column
US2009814A Method and apparatus for analyzing liquid and gas
CA343524A Analytical fractionating column
CA343525A Analytical fractionating column
CA336413A Hydrocarbon gas processing by heat
CA340531A Centrifugal fractionating apparatus