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MERKLE ENG INC

Overview
  • Total Patents
    29
About

MERKLE ENG INC has a total of 29 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets thermal processes, machines and chemical engineering are OSTBERG JAN ERIK, OESTBERG JAN ERIK and AMAGASAKI IRON & STEEL MFG CO.

Patent filings in countries

World map showing MERKLE ENG INCs patent filings in countries

Patent filings per year

Chart showing MERKLE ENG INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 James Barry R 11
#2 Coates Stephen 9
#3 Merkle Frank P 8
#4 Horn Larry L 6
#5 Coates Stephen J 5
#6 Merkle William L 4
#7 Materna William R 4
#8 Ross Jake 3
#9 Sewchok Joseph 3
#10 Sushel Anthony 3

Latest patents

Publication Filing date Title
US7040241B2 Refractory brick and refractory construction
US6427610B1 High temperature industrial furnace roof structure
US6349570B1 In-barrel wetting screw charger
US5899151A Industrial furnace roof assembly and components thereof
DE19539628A1 Solids loading device and its use for loading a reactor with granular solids
US5558691A Cullet feeder
US5542804A Modular solids charger
US5357540A High temperature industrial furnace roof structure
US5238347A In situ replaceable pusher bar for a batch charger pan
US5158412A Solids charger
US4960058A Self-positioning refractory structure
US4864945A Curved nose refractory construction
US4809621A Refractory brick protection for membrane boiler walls
US4754716A Refractory shield removable toe
US4705475A Insulated refractory shield
US4638617A Refractory curtain wall
US4475470A Suspended roof construction for industrial furnaces
US4424756A Suspended roof construction for industrial furnaces
US4463689A High temperature furnace nose construction