1
Zoran Valcic: Ignition inhibiting gas water heater. SRP 687, T Daniel Christenbury, December 21, 1999: US06003477 (13 worldwide citation)

A water heater including a water container; a combustion chamber located adjacent the container, the combustion chamber having a floor portion with an opening; a conduit extending upwardly from and being substantially sealed to the opening; a burner located inside the combustion chamber; and a flame ...


2
Timothy J Shellenberger, Fred A Overbey Jr: Power vented water heater with air inlet. SRP 687, T Daniel Christenbury, September 14, 1999: US05950573 (10 worldwide citation)

A water heater comprising a water container; a combustion chamber adjacent the water container; a burner associated with the combustion chamber; a flue connected to the combustion chamber; a blower assembly positioned to receive combustion products from the flue and including a blower; at least one ...


3
Zoran Valcic, Geoffrey Mervyn Whitford, Brendan Vincent Bourke: Air inlets for water heaters. SRP 687, T Daniel Christenbury, July 11, 2000: US06085699 (8 worldwide citation)

A water heater includes a water container, a combustion chamber adjacent said water container having at least one inlet to admit air and extraneous fume species into the combustion chamber, at least one inlet comprising a metal plate having a thickness of about 0.4 to 0.6 millimeters and through whi ...


4
Zoran Valcic, Geoffrey Mervyn Whitford, Brendan Vincent Bourke: Air inlets for water heaters. SRP 687, T Daniel Christenbury, October 24, 2000: US06135061 (6 worldwide citation)

A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases or vapors outside of the enclosure.


5
Fred A Overbey Jr: Heat sensitive air inlets for water heaters. SRP 687, T Daniel Christenbury, July 11, 2000: US06085700 (3 worldwide citation)

A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one heat sensitive entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases or vapors outside of the encl ...


6
Jaw Fang Lee, Sergey K Maneshin, Marcus E Kolb, Xin Yang: Apparatus for measuring ammonia in biochemical processes. Biochem Technology, T Daniel Christenbury, November 7, 2000: US06143246 (3 worldwide citation)

The present invention relates to apparatus and a method for measuring ammonia in biochemical processes, and more particularly to apparatus for real time measuring the amount of ammonia in a liquid with or without suspended solids.


7
Gerald Brinker, Thomas Hauck: Apparatus for measuring heights in dissolution testing equipment. Distek, T Daniel Christenbury, November 16, 1999: US05983515 (3 worldwide citation)

An apparatus for use with a dissolution testing device comprising a vessel and a shaft with a stir element affixed to one end thereof for placement within the vessel. In one embodiment, the apparatus has a front portion having a first jaw portion and a back portion having a second jaw portion. The f ...


8
Govind Shah, David Goodwin Shaw, Donald Gordon Chandler: Frequency shifter for acquiring an optical target. United Parcel Services of America, T Daniel Christenbury, November 9, 1999: US05982950 (2 worldwide citation)

A method and system for acquiring an optical target affixed to a surface of a package with an optical scanning device. Height information associated with the height of the surface of the package is sensed and a height signal representative of a scanning distance between the optical target and the op ...


9
Allen Vogl, Glenn Arche, Jack Seay, John MacNeill: Magnetic pay telephone cash box proximity switch. Technology Service Group, T Daniel Christenbury, November 2, 1999: US05978458 (2 worldwide citation)

A cash box proximity switch arrangement is provided for public telephones and is mounted in an upper portion of a lower housing of the telephone above the vault area. The switch is contained in a sealed housing which prevents contamination from dirt, moisture and the like. A magnet can be arranged s ...


10
Fred A Overbey: Sealed access assembly for water heaters. T Daniel Christenbury, Schnader Harrison Segal & Lewis, June 14, 2001: US20010003273-A1

A water heater including a water container; a combustion chamber containing a main burner and a pilot burner positioned to heat water in the water container and having a side wall; a main burner fuel supply line adapted to connect between a fuel control valve and a main burner; a pilot fuel supply l ...



Click the thumbnails below to visualize the patent trend.