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HOLCROFT & CO

Overview
  • Total Patents
    95
About

HOLCROFT & CO has a total of 95 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets thermal processes, materials and metallurgy and environmental technology are SCHWARTZ EVA, THERMTEC B V and SUNBEAM EQUIP.

Patent filings in countries

World map showing HOLCROFT & COs patent filings in countries
# Country Total Patents
#1 United States 37
#2 France 13
#3 United Kingdom 12
#4 Germany 8
#5 Canada 7
#6 Spain 6
#7 Japan 4
#8 Brazil 3
#9 Italy 3
#10 Argentina 2

Patent filings per year

Chart showing HOLCROFT & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holcroft Walter H 12
#2 Shefsiek Paul K 10
#3 Nowak Leonard G 8
#4 Schwalm Donald J 6
#5 Cone Carroll 4
#6 Alfred Ruckstahl 4
#7 Nowak L 3
#8 Bayer Edward C 3
#9 Jayaraman Viswanath 3
#10 Shefsiek P 3

Latest patents

Publication Filing date Title
US4445945A Method of controlling furnace atmospheres
US4432791A Ceramic radiant tube heated aluminum melter and method of melting aluminium
IT8247525D0 Controlling heat treatment furnace atmos.
DE3149212A1 METHOD FOR ADJUSTING OVEN ATMOSPHERES
US4373702A Jet impingement/radiant heating apparatus
US4330031A Ceramic tube recuperator
ES480785A1 A horno of thermal treatment in controlled atmosphere equipped with a tunnel. (Machine-translation by Google Translate, not legally binding)
FR2457326A1 Furnace for bright annealing of copper - has atmosphere producing burner system fired constantly, independent of temp. control
IT7949071D0 Furnace for bright annealing of copper - has atmosphere producing burner system fired constantly, independent of temp. control
GB2048440A Temperature control in heat treating furnaces
ES477499A1 Improvements in kiln floor systems with rollers.
BR7900671A Transportation mechanism for a roller sill oven and its roller oven oven
GB2041179A Roller hearth furnace
FR2447526A1 Rollers for supporting workpieces in roller hearth furnace - have slip joint with driven sleeves at roller ends to allow for dimensional variation during operation
US4160641A Continuous furnace
JPS5492505A Gas fired crucible furnace for high temperature melting
US4343395A Roller hearth furnace
US4174097A Furnace for bright annealing of copper
CA1096611A Continuous furnace
US4113009A Heat exchanger core for recuperator