Heating inventions 12/08

20080305446 - Method of preheating steelmaking ladles: A method for when preheating a ladle for use in steelmaking where less fuel is consumed in heating the ladle efficiently accurately to a controlled temperature. A temperature of a preheating process is varied by controlling a burner of the heating unit based on measurements of refractories of the ladle... Agent: Hahn Loeser & Parks, LLP

20080305447 - Time-delayed activation of zeolite heating: The invention relates to zeolite particles which are at least partially coated with a coating that is capable of delaying the release of heat from the zeolite particles upon contact with water over time. The coating effectively at least partially blocks the pore structure of the zeolite particle from contact... Agent: Honeywell International Inc.

20080305448 - Safety door for rotary kiln: A safety door for covering openings in a rotary kiln during maintenance operations on the rotary kiln. The door is affixed to the exterior surface of the rotary kiln and includes a hatch pivotally secured at one side edge thereof by a pivot rod to a frame. A plurality of... Agent: Fulbright And Jaworski LLP