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SALEM FURNACE

Overview
  • Total Patents
    35
About

SALEM FURNACE has a total of 35 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets thermal processes, basic materials chemistry and materials and metallurgy are HARRY MAGRUDER ROBERTSON, JOHN E GREENAWALT and CERITHERM.

Patent filings in countries

World map showing SALEM FURNACEs patent filings in countries

Patent filings per year

Chart showing SALEM FURNACEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Solano William E 15
#2 Docherty James P 15
#3 Kranz Ray E 6
#4 Johnson Beverly E 6
#5 Johnson Beverly Earl 5
#6 Stubenbort Joseph W 4
#7 Harrell John B 4
#8 Johnson Beverly 2
#9 Johnson B 2
#10 Erfort Thomas J 1

Latest patents

Publication Filing date Title
US5173047A Shrouded rabbles for use in rotary hearth furnaces
US4834650A Sealed rotary hearth furnace with central bearing support
US4818222A Sealed rotary hearth furnace
US4817920A Apparatus for continuous heat treatment of metal strip in coil form
US4741693A Method and apparatus for calcining material containing volatile constituents
US4669977A Rotating rabbled roof drying and heating furnace
CA1262044A Rotary calciner with stationary discharge scroll
US4637795A Method and apparatus for calcining material containing volatile constituents
GB8507956D0 Heat treatment of coils of metal
DE2942034A1 Iron ore metallisation and char prodn. - using controlled wt. ratio of coal and ore and heating in enclosure with both oxidising and reducing atmos.
CA1132799A Weight ratio mixing of volatile containing carbonaceous materials, etc.
DE2907523A1 Rotary hearth furnace with gas inlet ports in roof - providing countercurrent flow of gases and materials, e.g. coal, undergoing heat treatment
US4191529A Furnace for heating solids
DE2819852A1 Operating a calciner under a pressure differential - by using a sealed shroud around the soaking pit area
ZA7802159B Method and apparatus for operating a calciner under a pressure differential
GB1597431A Method and apparatus for operating a calciner under a pressure differential
AU3500478A Calcining
CA1092812A Method and apparatus for operating a calciner under a pressure differential
US4189312A Weight ratio mixing of volatile containing carbonaceous materials with materials to be treated by the volatiles evolved therefrom
US4096038A Method and apparatus for operating a calciner under a pressure differential