Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7455238 | Control system and method for multistage air conditioning system A controller and method for operating an HVAC system including an air conditioning unit, such as a gas furnace, having three stages of heat output and responsive to signals from a single stage or two stage thermostat. The W1, W2, and W3 inputs t... | 11/25/2008 |
| 7435081 | Method and system for pilot light safety A gas valve includes a gas inlet in fluid communication with a first chamber, a second chamber in selective fluid communication with the first chamber, a gas outlet in selective fluid communication with the second chamber, a pilot light outlet in fluid communication... | 10/14/2008 |
| 7311116 | Gas regulation system and process for operating the gas regulation system A gas regulation system includes a manifold, a plurality of control modules in fluid communication with the manifold, and a power source. Each control module includes an actuatable valve that is in fluid communication with an associated gas storage device and in ele... | 12/25/2007 |
| 7299634 | Combustion chamber A combustion chamber (4) for a gas turbine (1), the combustion chamber wall (24) of which is furnished on the inside with a lining formed of a number of heat shield elements (26), is to be designed for a particularly high level of operati... | 11/27/2007 |
| 7293718 | Variable output heating and cooling control A heating or cooling system, such as an HVAC system, of variable output has a number of control elements and may include a variable speed compressor, a variable speed combustion (induced or forced draft) blower motor; a variable speed circulator blower motor; a vari... | 11/13/2007 |
| 7256344 | Electrothermal device for ignition and flame detection in gas burners A single thermoelectric device designed to operate both as an igniter and flame detector for gas burners is described. Ignition is performed via heating, by Joule effect, of a conductor which can have, preferably, catalytic activity on the combustion while the flame... | 08/14/2007 |
| 7252502 | Method and system for combined standing pilot safety and temperature setting The method and apparatus provides a controller (which might comprise a microprocessor) that can control gas flow to a pilot burner in fluid communication with a manual pilot valve and an automatic pilot valve. The exemplary embodiments can comprise a selectable inpu... | 08/07/2007 |
| 7228693 | Controlling airflow in an air conditioning system for control of system discharge temperature and humidity An air conditioning system may comprise an air handler, heat pump or fossil fuel furnace and may include a variable speed blower for conducting air through the system and operably connected to a controller which is also connected to a thermostat and/or humidity sens... | 06/12/2007 |
| 7161678 | Systems and methods for determining the existence of a visible plume from the chimney of a facility burning carbon-based fuels Excess oxygen in the combustion process of a facility that bums carbon-based fuels may cause a visible plume in the atmosphere at the stack of the facility. Traditional optical based opacity monitors may be unable to detect this plume or the plume may form at a loca... | 01/09/2007 |
| 7000641 | Inflatable stopping bags A method of controlling the fluid pressure of an inflatable stopping bag used to block the fluid flow through a fluid conduit comprises pressurising the bag using a pressure regulator which operates to regulate the pressure of the bag as a function of the instantane... | 02/21/2006 |
| 6439466 | Climate control system A climate control system includes an air evacuation and ventilation system thereof operable to withdraw air from an outflow air duct system and ventilate the withdrawn air to the outside prior to the system treating air withdrawn from an interior space of... | 08/27/2002 |
| 6308701 | Combustion system A combustion system includes a primary combustion chamber divided into left and right sides by fuel-retaining standards defining a canyon or void extending into a secondary combustion chamber is provided. The combustion system includes an automatic air se... | 10/30/2001 |
| 5968320 | Non-recovery coke oven gas combustion system A system for transporting and burning under negative pressure in a boiler a raw coke oven gas to produce steam energy. The system has the usual battery of coke ovens and corresponding ascension pipes connected to a collector main. Flushing liquor is spray... | 10/19/1999 |
| 5957063 | Combustion system and operation control method thereof A combustion system is divided into a thermal decomposition section and a combustion section. The thermal decomposition section thermally decomposes or partially bums solid combustibles, thereby generating combustible gases. The quantity or quality of the... | 09/28/1999 |
| 5926390 | Programmed temperature controller A programmed temperature controller including a difference detector which detects a temperature difference ƊT between a quick-response temperature TC2 and a slow-response temperature TC3 at a quickly-responding portion and a slowly-responding portion of ... | 07/20/1999 |
| 4907177 | Computerized multi-zone crystal growth furnace precise temperature and heating control method A computerized method of digitally controlling the temperature profile of a heated article in which the temperature profile is defined by a plurality of temperature zones spaced about the article. The temperature profile of the article is monitored and a ... | 03/06/1990 |
| 4797776 | Furnace temperature safety system A system to continually monitor the integrity of control and safety thermocouples within a furnace comprising a low furnace temperature reader connected in parallel with a high furnace temperature reader to a single safety thermocouple.... | 01/10/1989 |
| 4373663 | Condition control system for efficient transfer of energy to and from a working fluid A condition control system adapted to supply a working fluid that has been modified by transferring energy to or from the working fluid is disclosed wherein a minimum energy loss is accomplished in operating the control system. The control system adjusts ... | 02/15/1983 |
| 4184837 | Combustion control system A fluid fuel burning system is mounted in a firetube and generates heat of combustion which is transferred to industrial fluid flowing through a vessel in which the firetube is mounted. The air for combustion flows into the burner as primary air mixing wi... | 01/22/1980 |
| 4003803 | Control system for preventing an excessive temperature rise in a battery of coke ovens The control system includes a controller and a clocking circuit along with a computer for each one of the coke oven chambers. A first control signal is responsive to the occurrence of charging coal into a given oven chamber and starts the clock. A second ... | 01/18/1977 |
| 4001557 | Stored program digital process controller A digital process control function generator wherein a timing clock, in conjunction with programmable read only memories controls variables in a process with respect to time.... | 01/04/1977 |
| 3973898 | Automatic combustion control with improved electrical circuit Combustion control is effected by the use of a smoke detector and by solid state devices for the detection and amplification of electrical signals produced by a photoelectric cell for the purpose of controlling a motor which in turn adjusts fuel and air s... | 08/10/1976 |
| 3967614 | Gas fired fusion furnace and fusion head assembly In an assembly of fusion furnace and fusion head for applying heat to plastic pieces to be fused, the furnace being fired with gaseous fuel fed through a conduit to a burner head in the furnace from a source of fuel, a temperature sensing probe projects i... | 07/06/1976 |
| 3964859 | Vaporizing type liquid fuel combustion apparatus A vaporizing type liquid fuel combustion keyboards is disclosed which is particularly suitable for heating individual rooms and which includes a fuel supply system capable of delivering very small volumes of fuel reliably and without the need for excessiv... | 06/22/1976 |
| 3960320 | Combustion optimizer There has been provided an improved process control optimizer for regulating at least one parameter of the process relative to optimum utilization of available energy. Temperature responsive open loop control means regulates the fuel flow and the optimize... | 06/01/1976 |
| 3959082 | Method of operating a battery of coke ovens A method of operating a battery of coke ovens with which is associated regenerators with checkerwork which includes measuring the temperature in the upper part of the checkerwork in the regenerators and supplying fuel to the burners in the heating chamber... | 05/25/1976 |
| 3952945 | Furnace temperature control system Temperature control system for furnaces used in heat-treating metallic articles, such as boronizing steel.... | 04/27/1976 |
| 3947237 | Method and apparatus for controlling the air volume in a tunnel kiln according to the batch density A method of controlling the heating gases in a kiln having a firing zone and at least one adjacent zone which, for example, may be a preheating zone and/or an after-heating zone, comprises directing combustion products into the firing zone to generate hig... | 03/30/1976 |