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DREVER CO

Overview
  • Total Patents
    65
About

DREVER CO has a total of 65 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machine tools and environmental technology are VOEST ALPINE SCHIENEN GMBH & C, AVESTAPOLARIT AB and SOGERAIL.

Patent filings per year

Chart showing DREVER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Peterson Steven R 14
#2 Rohrbaugh David S 14
#3 Safford Franklin C 9
#4 Seabold Edward J 4
#5 Mcgrath Robert A 4
#6 Safford F 3
#7 Lindquist Elmer W 3
#8 Allyn Mcgrath Robert 2
#9 Loveless Edgar Lloyd 2
#10 Lloyd Loveless Edgar 2

Latest patents

Publication Filing date Title
US5827056A Device and method for improving strip tracking in a continuous heating furnace
US5770838A Induction heaters to improve transitions in continuous heating system, and method
US4149703A Apparatus for quenching a heated metal plate
US3932238A Method and apparatus for quenching pipe
US3793867A Apparatus for continuously quenching a heated metal plate
US3650282A Continuous quenching apparatus
GB1137280A Apparatus for quenching metal plates
ES309500A1 A perfect method of straightening and reducing the temperature of a metal sheet material by quick cooling. (Machine-translation by Google Translate, not legally binding)
GB1038359A Roller pressure quench system
US2872174A Roller furnace construction and method of maintenance operation
US2788957A Refractory roller furnace conveyor system
GB742930A Continuous annealing and bluing system for ferrous strip
US2768916A Continuous bluing system for ferrous strip
GB664490A Improvements in or relating to annealing furnaces
US2585277A Apparatus for annealing strip
US2291540A Method of temperature control
CA725560A Roller pressure quench system
CA561696A Apparatus for annealing strip
CA808570A Roller pressure continuous high intensity quench systems
CA592492A Apparatus for annealing strip