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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Machines | |
#3 | Environmental technology | |
#4 | Thermal processes | |
#5 | Electrical machinery and energy | |
#6 | Engines, pumps and turbines | |
#7 | Mechanical elements | |
#8 | Transport |
# | Technology | |
---|---|---|
#1 | Separation | |
#2 | Unspecified technologies | |
#3 | Water treatment | |
#4 | Marine propulsion | |
#5 | Heat-exchanger without contact | |
#6 | Heat-exchange device details | |
#7 | Electric switches | |
#8 | Non-positive-displacement pumps | |
#9 | Pistons and sealings |
# | Name | Total Patents |
---|---|---|
#1 | Pottharst Jr John E | 10 |
#2 | Pottharst John E Jr | 3 |
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 |