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PENNSYLVANIA ENGINEERING CORP

Overview
  • Total Patents
    448
About

PENNSYLVANIA ENGINEERING CORP has a total of 448 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, environmental technology and thermal processes are ZAPTECH CORP, BOT BRASSERT OXYGEN TECHNIK AG and BOWDEN JAMES J.

Patent filings per year

Chart showing PENNSYLVANIA ENGINEERING CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nagati Rashed N 41
#2 Fisher Howard M 41
#3 Pearce Jai K 34
#4 Schempp Eberhard G 34
#5 Mcfeaters Harry L 24
#6 Fisher H 18
#7 Schempp E 17
#8 Montgomery Harry T 16
#9 Lakin Ira W 14
#10 Pearce J 14

Latest patents

Publication Filing date Title
US4653064A Gas collector for metallurgical vessels
AR248060A1 A lance with retractile nozzle, applicable to the making of low-carbon and high-chrome steel.
US4646315A Arc furnace burner control method and apparatus
US4569057A Material feed system for smelting furnaces
US4575856A Iron free self baking electrode
BR8402337A Algaraviz to inject a non-oxidating gas inside a metallurgical vase
ZA8403603B Tuyere for the injection of gases into a metallurgical vessel
US4612043A Steel making method
US4526352A Deslagging rake
ES8504944A3 Process material supply to steel converter
CA1232755A Method of removal of impure gases at the time of scrap preheating, and equipment for use of same
US4611339A Method and apparatus for removal of impure gases at time of scrap preheating
BR8306017A Metallurgic vase slag separator
US4492567A Method of removal of impure gases at the time of scrap preheating, and equipment for use of same
BR8305186A Steel production process and launch
US4485841A Pollution control device
GB8306167D0 Metallurgical method
AU9113682A Gas cleaning method and apparatus
CA1197985A Method of treating ferrous metal
US4426069A Mettalurgical vessel suspension system