Heating inventions 07/09

20090191497 - Method of mixing high temperature gases in mineral processing kilns: A method is described for reducing NOx emissions and improving energy efficiency during mineral processing in a rotary kiln. The method comprises injection of air with high velocity/high kinetic energy into the kiln to reduce or eliminate stratification of kiln gases. The method can be applied to mix gases in... Agent: Barnes & Thornburg LLP

20090191498 - Method of mixing high temperature gases in mineral processing kilns: A method is described for reducing NOx emissions and improving energy efficiency during mineral processing in a rotary kiln. The method comprises injection of air with high velocity/high kinetic energy into the kiln to reduce or eliminate stratification of kiln gases. The method can be applied to mix gases in... Agent: Barnes & Thornburg LLP

20090191499 - Methods and apparatuses for heating semiconductor wafers: Methods and apparatuses for heat treatment of semiconductor wafers are disclosed herein. A method of heating a semiconductor wafer in accordance with one embodiment includes heating the wafer in a loading enclosure of a heat treatment system above an ambient temperature external to the loading enclosure. The method also includes... Agent: Perkins Coie LLP Patent-sea

20090191500 - Energy saving stove water heater: The energy saving stove water heater includes a heat collecting body, with a tubular shape, having a water chamber surrounding with a heat source of the cooking stove, a water pipeline operatively communicating with the water chamber, and a top opening aligning with the heat source. Therefore, when a cooking... Agent: David And Raymond Patent Firm

20090186311 - Seal structure, cooling treatment apparatus, multi-chamber heat treatment apparatus, pressure regulating method, operating method: This shaft seal structure has at a fitting portion between a container wall of a pressurized container in which high pressure gas is enclosed and a rotating shaft that passes through the container wall: O-rings that are disposed at least two locations in the axial direction of the rotating shaft;... Agent: Ostrolenk Faber Gerb & Soffen

20090186312 - Apparatus having rotating chains or rings for carrying vertically hanging trays: An apparatus for carrying a plurality of vertically hanging trays includes a vertical rotating means comprising a first pair of rotating chains carrying the plurality of trays at respective top bars thereof and a second pair of rotating chains coupled to each top bar through linking bars, the first and... Agent: Schein & Cai LLP James Cai

20090176179 - Method for sintering steel: The invention relates to a method for sintering in a furnace atmosphere wherein said furnace atmosphere is a hydrogen-free atmosphere comprising nitrogen and carbon monoxide.... Agent: The Boc Group, Inc.

20090176180 - Hydrogen furnace system and method: Apparatus and operating methods are provided for controlled atmosphere furnace systems. In one possible embodiment, hydrogen is injected from a hydrogen source to an enclosure. The hydrogen is circulated within the enclosure from a gas inlet to a gas outlet. A temperature is raised within the enclosure to a predetermined... Agent: H2 Pump, LLC

20090176181 - System and method of improved pressure control in horizontal diffusion furnace scavenger system for controlling silicon oxide growth: The present invention relates generally to semiconductor wafer fabrication and more particularly but not exclusively to advanced process control methodologies for controlling oxide formation using pressure. The present invention, in one or more implementations, includes a pressure stabilization system to dynamically adjust scavenger pressure in a furnace during wafer fabrication... Agent: Sawyer Law Group LLP

20090170047 - Method and system for thermal processing of objects in chambers: A thermal processing system is disclosed. The thermal processing system includes a transfer stage, one or more thermal processing chambers and an interface to a deposition equipment. The transfer stage is provided to receive workpieces for thermal processing. Further the transfer stage is provided as a mechanism to move workpieces... Agent: Silicon Valley Patent Agency

20090170048 - Mixing pipe for gas heater: A mixing pipe for a gas heater includes an intake port through which gas and air are flowed in; a discharge port through which the gas and the air flowed in through the intake port are mixed and discharged; and an acceleration part disposed between the intake port and the... Agent: Schmeiser, Olsen & Watts