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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8183712 | Method and system for organizing and optimizing electricity consumption A method and system for managing power consumption by electrical appliances, is provided. One implementation involves obtaining power consumption information for a use cycle of a each of multiple appliances; and automatically scheduling a time slot for an operation ... | 05/22/2012 |
| 8106530 | Network-centric scheduled power provisioning method A particular technique provides power to a plurality of Power over Ethernet powered devices. The technique involves operating, during a first time interval, an initial set of Power over Ethernet powered devices (i.e., one or more powered devices) in a higher power c... | 01/31/2012 |
| 7884499 | Intervention of independent self-regulation of power consumption devices Methods and apparatuses for intervening in the self power or thermal regulations of a plurality of independent power consumption devices are described herein. The novel methods may include monitoring power consumption and thermal conditions of the plurality of power... | 02/08/2011 |
| 7884498 | Method and arrangement for the energy-saving operation of dishwashers In a method and an apparatus for operation of a dishwasher, a total maximum electric output is assigned to a group of electric consumer elements of the dishwasher. In addition, at least two output levels are assigned to each electric consumer element of said group. ... | 02/08/2011 |
| 7705484 | Energy management system and method An energy management system comprises at least one energy consuming device and an energy controller. The energy controller supplies energy to the energy consuming device and transmits an energy curtailment signal in response to an energy over-consumption condition. ... | 04/27/2010 |
| 7554219 | DC/DC converter having an input switching stage and a plurality of output channels A DC/DC converter having an input switching stage on the primary side and a plurality of output channels on the secondary side of the converter, each output channel having a secondary control loop and a monitoring device, the monitoring devices monitoring the operat... | 06/30/2009 |
| 7531914 | Dual path output current level control A current control system for an electrical connection device generally includes a first output having a first current rating and a second output having a second current rating. A transistor provides current to the first output and the second output. A sensor is elec... | 05/12/2009 |
| 7368686 | Apparatus and methods for operating an electric appliance An electric cooking appliance is provided. The electric cooking appliance includes a plurality of surface heating elements and a plurality of sensors configured to monitor an operational status of a corresponding surface heating element. The electric cooking applian... | 05/06/2008 |
| 7365661 | Power converter circuitry and method A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control loops. ... | 04/29/2008 |
| 7362075 | Battery charger with charge state detection on the primary side The present invention relates to a battery charger for charging a battery. The present invention especially relates to a battery charger comprising a switching power supply controlled on the primary side and a charge monitoring circuit for monitoring the charge stat... | 04/22/2008 |
| 7356384 | Load management system A method, and a system that uses the method, of managing loads for residential use. The method includes connecting a first signal-responsive switch to a first load, and connecting a second signal-responsive switch to a second load that has a lower priority than the ... | 04/08/2008 |
| 7336507 | Power supply outputting multiple voltages A power supply includes a transformer, a second output line, a second output line, a controller, and a current bypass circuit. The transformer has a primary side and a secondary side. The first output line derived from a first point on the secondary side. The first ... | 02/26/2008 |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7323794 | Independent control of output current balance between paralleled power units An information handling system power supply system has a plurality of power supply units (PSUs) with outputs connected in parallel and a current balancing circuit for equalizing current from these outputs. A pseudo output current value may be added to the actual out... | 01/29/2008 |
| 7315952 | Power state coordination between devices sharing power-managed resources Methods and apparatuses for coordination of power state management in and electronic system. ... | 01/01/2008 |
| 7295413 | Control circuit of power supply with selectable current-limiting modes The present invention relates to a control circuit of power supply with selectable current-limiting modes. Via a select circuit in the control circuit of the power supply of the present invention, the user himself can select and switch the operating mode of the curr... | 11/13/2007 |
| 7279811 | Arrangement for supplying variable loads The invention relates to a first circuit arrangement (E) for supplying variable loads that can be connected to the first circuit arrangement (E) from a first current or voltage source (MV) in a first state of the first circuit arrangement having the following featur... | 10/09/2007 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 7256516 | Battery charging system and method A charging system for simultaneously charging the batteries of a plurality of battery powered vehicles. The charging includes one or more DC-DC power converters having one or more charging ports configured to plug into the batteries. The DC-DC power converters are e... | 08/14/2007 |
| 7239497 | Environmentally hardened Ethernet switch A device for hardening an Ethernet switch is disclosed. The device provides cooling for the switch, and, suppresses electrical transients and electromagnetic interference, which could affect the power supply, and data transmission of the Ethernet switch. Using this ... | 07/03/2007 |
| 7237129 | System and method for activity or event based dynamic energy conserving server reconfiguration Network architecture, computer system and/or server, circuit, device, apparatus, method, and computer program and control mechanism for managing power consumption and workload in computer system and data and information servers. Further provides power and energy con... | 06/26/2007 |
| 7231424 | Active control of collaborative devices Controlling collaborative devices, including providing at least two collaborative devices, in which each collaborative device includes a client device and a client communications application, each collaborative device being coupled for data communications to an OSGi... | 06/12/2007 |
| 7231283 | Method for regulating the power supply of a number of multiple field devices In a method for regulating the power supply of a plurality of field devices S1, S2, S3, A1, A2, connected to a data bus DBL and supplied with electrical current over the data bus DBL, the electrical current requirements of the indi... | 06/12/2007 |
| 7228441 | Multi-server and multi-CPU power management system and method Network architecture, computer system and/or server, circuit, device, apparatus, method, and computer program and control mechanism for managing power consumption and workload in computer system and data and information servers. Further provides power and energy con... | 06/05/2007 |
| 7206670 | Energy management system for controlling energy supplied to a set of customer buildings A method of supplying energy to a set of customer buildings having energy consuming appliances includes establishing a set of customer tolerances for conserving energy use in a set of customer buildings. A remote control system to control appliances in the customer ... | 04/17/2007 |
| 7205681 | Generation and distribution of a dual-redundant logic supply voltage for an electrical system A power supply device (20) for an electrical system generates a primary logic supply voltage signal and one or more backup logic supply voltage signals from a plurality of sources (22, 24). The primary and backup logic supply voltage signals are distri... | 04/17/2007 |
| 7196433 | Multi-output device with preset power supply priority A multi-output circuit device with preset power supply priority that provides higher safety, wherein, the load of inferior priority depending on the preset overload breaking sequence is cut off first when the total load amperage exceeds the rated amperage while main... | 03/27/2007 |
| 7193335 | Sensing socket assembly A socket assembly enables a number of electrical appliances to be automatically isolated from, and reconnected to, an electrical power supply upon respectively switching off or on a “master” appliance. Generally, the assembly includes: a master electrical outlet... | 03/20/2007 |
| 7177728 | System and methods for maintaining power usage within a set allocation An electric power management system includes a monitor for the total power usage of a facility that monitors a history of power consumption during a set time interval of a distribution system having at least one electric load. Predictions of available power are gene... | 02/13/2007 |
| 7177131 | Control circuit of power supply with selectable current-limiting modes The present invention discloses a control circuit of power supply with selectable current-limiting modes, wherein the control circuit which maintains the power-output circuit of the power supply within the energy-limiting standard is performed with automatic detecti... | 02/13/2007 |
| 7172132 | Balanced utility load management A method and apparatus for controlling the operation of an air conditioning system and a plurality of auxiliary devices, with both the air conditioning system and the auxiliary devices being adapted to operate in a setback condition. The auxiliary devices are operat... | 02/06/2007 |
| 7170760 | Switching power supply with clamping circuit A switching power supply with clamping circuit includes a clamping circuit between a slave output terminal and a master output terminal thereof, to prevent voltage drift at the slave output terminal. The clamping circuit includes a switching circuit connected betwee... | 01/30/2007 |
| 7151327 | System and method for supply distribution A system and method for distributing a supply to plurality of machinery or appliances. The supply may be any of oil, gas, electrical power, water, heated and cooled air, etc. the plurality of appliances can include any of gas and oil powered devices, electrical devi... | 12/19/2006 |
| 7138778 | Current sensor using mirror MOSFET and PWM inverter incorporating the same A current sensor has a power MOSFET Q1, connected between an electric load and a power supply, for controlling current that flows through said electric load, a mirror MOSFET Q2, connected in parallel to said power MOSFET Q1, in which a portion o... | 11/21/2006 |
| 7134011 | Apparatus, architecture, and method for integrated modular server system providing dynamically power-managed and work-load managed network devices Network architecture, computer system and/or server, circuit, device, apparatus, method, and computer program and control mechanism for managing power consumption and workload in computer system and data and information servers. Further provides power and energy con... | 11/07/2006 |
| 7112935 | Current sensor using mirror MOSFET and PWM inverter incorporating the same A current sensor has a power MOSFET Q1, connected between an electric load and a power supply, for controlling current that flows through said electric load, a mirror MOSFET Q2, connected in parallel to said power MOSFET Q1, in which a portion o... | 09/26/2006 |
| 7105947 | Method and system for voltage tracking and sequencing in a power supply A method for controlling multiple voltages in a power supply includes providing a plurality of DC to DC power converters. Each power converter includes a pulse width modulator controller having a control pin. The method also includes when a voltage supply to the pow... | 09/12/2006 |
| 7057910 | Semiconductor device and control method In a semiconductor device for generating complementary PWM signals for, for example, controlling an inverter, a dead time is flexibly added by using a simple architecture. A dead time addition unit adds time elapsing until a value of a timer reaches a set value of a... | 06/06/2006 |
| 7053790 | Remote meter reading system using grouped data structure The present invention relates to a remote meter reading system using a grouped data structure. The central processing unit of the electronic electric power meter collects the data having similar function and groups the same. Each group is classified into main items,... | 05/30/2006 |
| 7045915 | Power supply unit having multiple power supply outputs A power supply unit (system power supply IC) has a multiplicity of power supply circuits providing for different supply voltages. Should an abnormal condition take place in any of the multiple power supply circuits, the power supply circuit suffering the abnormality... | 05/16/2006 |
