Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 8162232 | Water storage device having a powered anode A dry-fire protection system and method. The dry-fire protection system includes a tank, a heating element, a powered electrode, a sensor, and a microcircuit. The heating element and the powered electrode are positioned in the tank, the powered electrode being posit... | 04/24/2012 |
| 7819334 | Multi-stage boiler staging and modulation control methods and controllers Methods and devices for controlling multi-stage boiler systems. In one illustrative embodiment, the number of stages to be used is determined in a staging control sequence in response to a heating load, and in some cases, the individual stages are modulated to meet ... | 10/26/2010 |
| 7658335 | Hydronic heating system A hydronic heating system for a building includes condensing and non-condensing boilers in a hybrid arrangement. A control apparatus receives information from one or more condition sensors, such as air temperature or water flow, and calculates heating load requireme... | 02/09/2010 |
| 7360507 | Energy saving apparatus An energy saving apparatus is described. The energy saving apparatus is attached to a standard gas-powered water heater. All gas-powered water heaters typically have an air vent which vents hot air from the water heater. The apparatus takes advantage of this fact by... | 04/22/2008 |
| 7360535 | Hot water apparatus A hot water apparatus is provided in which heat recovery is performed as much as possible allowing condensate to be generated and excellent heat efficiency is achieved without providing a plurality of heat exchangers by effectively evaporating generated condensate. ... | 04/22/2008 |
| 7357000 | Display deck for a temperature controlled case A temperature controlled case defines a space for storage of products and includes a cooling system to circulate a fluid to maintain a temperature of the products in the space. A deck is provided within the space and has a stepped configuration to provide multiple p... | 04/15/2008 |
| 7356548 | System and method for remote monitoring and controlling of facility energy consumption A method for remote monitoring and controlling of energy consumption of a facility includes receiving energy consumption data associated with the facility at a processor disposed remotely from the facility. The method also includes receiving environmental data assoc... | 04/08/2008 |
| 7347774 | Remote autonomous intelligent air flow control system and network The present invention provides one or more autonomous in-duct or register grill mounted flow control devices, each of which has the capability to restrict or boost air flow through the duct or vent to which it is attached. The individual flow control devices may be ... | 03/25/2008 |
| 7337753 | Water heater The water heater includes a burner and a water tank. Combustion products flow upwardly around the tank through a combustion products path where heat transfer to water in the tank occurs, the path being defined between the outer wall of the tank and a surrounding hea... | 03/04/2008 |
| 7328074 | Real-time quadratic programming for control of dynamical systems Real-time control of a dynamical system is provided by determining control variables that get as close as possible to producing a desired response. Additional consideration of physical limitations leads to a convex Quadratic Program with inequality constraints that ... | 02/05/2008 |
| 7310960 | Transcritical heat pump water heater with drainage A water heater is provided by a refrigerant cycle, in which the gas cooler is utilized to heat the water. A drain is incorporated into a water circuit for draining all of the water outwardly of the circuit when the system is shut down. In a preferred embodiment, a w... | 12/25/2007 |
| 7313034 | Low supply voltage temperature compensated reference voltage generator and method A reference voltage generator uses a conventional forward junction voltage generating device and a conventional thermal generator to generate a thermal voltage. The forward junction voltage and the thermal voltages have respective thermal sensitivities that act oppo... | 12/25/2007 |
| 7290502 | System and methods for controlling a water heater A control for a water heater is provided that comprises a pressure switch for sensing a predetermined level of airflow sufficient for maintaining proper burner operation, and a temperature sensing means for sensing the temperature of the water in the tank. The contr... | 11/06/2007 |
| 7284710 | Heating system A heat management system is capable of managing unlimited hydronic heat sources and unlimited heating zones, each located within a desired area and each controlled by temperature sensors. The system uses plural system heating sources to heat a heating solution (pref... | 10/23/2007 |
| 7261241 | Heating and cooling energy saving device A system for regulating the temperature of multiple areas within a facility using multiple energy savings devices (ESD) that each regulate the temperature of individual rooms or areas within a facility having a central heating and cooling plant. The device includes ... | 08/28/2007 |
| 7255287 | Central heating An improved central heating reservoir (42) for use with central heating systems of the type having a boiler and a pump. The reservoir (42) is connected in line and has a liquid inlet (43) offset from an associated liquid outlet (44). Offs... | 08/14/2007 |
| 7255133 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 08/14/2007 |
| 7246635 | Automatic flow rate control valve An automatic flow rate control valve, includes a tubular body, defining a flow path between inlet apertures having a gradually variable cross-sectional area and a fluid outlet at one end; a flow control piston is axially movable within the tubular body, under opposi... | 07/24/2007 |
| 7225089 | System and method for remote identification of energy consumption systems and components A system for remote energy consumption system identification of a facility includes a processor, and a memory coupled to the processor. The system also includes an energy consumption database accessible by the processor. The energy consumption database includes aggr... | 05/29/2007 |
| 7218237 | Method and apparatus for detecting water leaks A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature sensor. A processor collects moisture readings from the sensors. In one ... | 05/15/2007 |
| 7191826 | Variable speed fan motor control for forced air heating/cooling system A fan motor speed control system for controlling the fan motor speed of an air conditioning system includes a power output circuit including a power triac which is turned on and off by an opto-isolator connected to a pulse generator circuit for varying an AC voltage... | 03/20/2007 |
| 7162987 | Method and apparatus for maintaining warm engine temperature A portable apparatus for temporarily warming a plurality of vehicle engines includes a warm fluid circulation loop; an engine fluid circulation loop; a fluid heater; a fluid to fluid heat exchangers; a warm fluid pump; and an engine fluid pump. The warm fluid circul... | 01/16/2007 |
| 7155922 | Energy efficient heat pump systems for water heating and air conditioning A heat pump system for providing water heating and air conditioning, comprising one or more compressors for circulating a refrigerant in the system, a hot water tank having a heat exchanger for heating and storing the hot water, an outdoor heat exchanger and a fan f... | 01/02/2007 |
| 7152023 | System and method of accelerated active set search for quadratic programming in real-time model predictive control An active set algorithm exploits a ‘hot start’ for the set of binding constraints at optimality along with efficient linear algebra to make rapid progress towards the solution. The linear algebra is designed to deal with degenerate constraints as the required fa... | 12/19/2006 |
| 7116588 | Low supply voltage temperature compensated reference voltage generator and method A reference voltage generator uses a conventional forward junction voltage generating device and a conventional thermal generator to generate a thermal voltage. The forward junction voltage and the thermal voltages have respective thermal sensitivities that act oppo... | 10/03/2006 |
| 7093651 | Water pressure system with pressure tank installed within well casing of well A water pressure system includes a pressure tank installed underground within the well casing of a well. The water pressure system includes a submersible pump connected to the inlet of the pressure tank by a drop pipe. The outlet of the pressure tank is connected to... | 08/22/2006 |
| 7084377 | Heated device and method of redundant temperature sensing A device for carrying a heated liquid, and controlling the temperature of the heated liquid includes a liquid conveying element including a passage for carrying the heated liquid. First and second temperature sensing devices are operatively associated with the liqui... | 08/01/2006 |
| 7066396 | Method and apparatus for enhanced heat recovery from steam generators and water heaters A heating system having a steam generator or water heater, at least one economizer, at least one condenser and at least one oxidant heater arranged in a manner so as to reduce the temperature and humidity of the exhaust gas (flue gas) stream and recover a major port... | 06/27/2006 |
| 7055760 | Temperature maintaining apparatus and temperature control apparatus and method therefor A method and apparatus are provided for maintaining a temperature between a first value and a second value. The method and apparatus utilize a heat transfer device capable of cycling through a series of cycles, the device being capable of changing the temperature fr... | 06/06/2006 |
| 7056173 | Heater and a method for delivering heat energy from a water cooled two cycle marine engine A heater and method for delivering heat energy from a water cooled two cycle marine engine is described and which includes an exhaust expansion chamber operably coupled with a two cycle marine engine, and wherein the two cycle marine engine produces a source of heat... | 06/06/2006 |
| 7043341 | Swimming pool and spa heater control system and method A system and method for controlling swimming pool or spa heaters is provided in the present invention. The system and method control the temperature of the pool or spa water and saves energy by heating the water therein only when future weather conditions indicate t... | 05/09/2006 |
| 7013924 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 03/21/2006 |
| 7007857 | Compact vehicle heating apparatus and method A compact vehicle heating system and method is provided which includes mechanisms to selectively shut down heating systems. For example, when domestic hot water is required, space heating and engine preheating systems can be shut down in order to provide priority he... | 03/07/2006 |
| 7007858 | Compact boiler with tankless heater for providing heat and domestic hot water and method of operation A small and compact boiler for providing hot water for indoor heating and domestic hot water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler water through a heating circuit when indoor heat is required, and ... | 03/07/2006 |
| 6997390 | Retrofit HVAC zone climate control system A low cost and easy to install zone climate control system for retrofit to an existing forced air HVAC system, that provides independent minute-by-minute, day-by-day, and room-by-room climate control, including easy to use methods for specifying temperature schedule... | 02/14/2006 |
| 6996508 | System and method for remote retrofit identification of energy consumption systems and components A method for remote energy consumption system retrofit identification for a facility includes receiving energy consumption data associated with the facility, generating facility data associated with the facility, and receiving external variable data associated with ... | 02/07/2006 |
| 6990830 | System and method for supplying consumers with heat energy or with cooling energy A system and method supplies users with heat energy or cooling energy via a carrier medium. At least one source of heat energy or chilling energy has an output line that is connected to the input of at least one controllable distributor device. The distributor has a... | 01/31/2006 |
| 6976337 | Energy-saving housing The invention provides energy-saving housing wherein the indoor temperature condition can be made comfortable throughout the year by a small amount of energy by suppressing loads on cooling and heating devices, and high airtightness and high heat insulation performa... | 12/20/2005 |
| 6976052 | Spa control system An improved spa control system is disclosed. The invention describes a spa control system which calculates the time required to heat the water in the spa system to a desired temperature. From that information, the heating rate of the spa system can be determined, an... | 12/13/2005 |
| 6971335 | Water heater A water heater is provided in which neutralization process of drain is not required and an excellent heat efficiency is achieved. A route of exhaust gas which is passing through the main heat exchanger 18 is divided into a first exhaust gas chamber 23 ... | 12/06/2005 |
