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POTTHARST JR JOHN E

Overview
  • Total Patents
    13
About

POTTHARST JR JOHN E has a total of 13 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States. Its main competitors in its focus markets chemical engineering, machines and environmental technology are ANDERSEN ROLF, FSR PATENTED TECH LTD and SPINTEK SYSTEMS INC.

Patent filings in countries

World map showing POTTHARST JR JOHN Es patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing POTTHARST JR JOHN Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pottharst Jr John E 10
#2 Pottharst John E Jr 3

Latest patents

Publication Filing date Title
US4260461A Vapor compression distillation apparatus and method
US4168211A Distillation apparatus and method
US4002538A Distillation apparatus and method
US3884767A Multi-effect flash evaporator
US3686451A Liquid level control assembly
US3652183A Compressor
US3471373A Automatic control system for vapor compression distilling unit
US3236748A Process for distilling sea water
US3127741A Jet propulsion control system
US3192130A Forced circulation evaporator
US2713996A Heat exchanger
US2456732A Combined evaporator and boiler
US2509108A Evaporator