Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 8174238 | Charging contact array for enabling parallel charging and series discharging of batteries A contact array arrangement which both receives charging current for charging batteries of a battery pack, and which also breaks the parallel charging contact position (contact configuration in which individual batteries of the battery pack are charged in parallel) ... | 05/08/2012 |
| 7843169 | Pack assembly having interconnected battery packs configured to be individually disconnected from assembly A battery pack system is disclosed. The battery pack system includes a battery pack having batteries arranged in a plurality of parallel groups that are connected in series. Each parallel group includes a plurality of the batteries connected in parallel. The electro... | 11/30/2010 |
| 7808207 | Rechargeable battery assembly and power system using same A rechargeable battery, battery set or battery pack having a circuit or a plurality of circuits for providing self-discharging thereof electrically connected in parallel are used to form rechargeable battery assemblies and electric power supply systems for use in el... | 10/05/2010 |
| 7723954 | Method and device for supplying at least one load The invention relates to a method and a device for supplying at least one load consumer during a mains failure. According to said method, a plurality of batteries acts as an emergency voltage source during the failure of a mains voltage source in order to supply the... | 05/25/2010 |
| 7705560 | Voltage controller A voltage controller having an input distribution network with imbedded input switches, a number of charge storage elements such as capacitors, an output distribution network with imbedded output switches, and a switch actuator which controls the input switches and ... | 04/27/2010 |
| 7692404 | Charging control in an electric vehicle A charging system for a vehicle rearranges the bank of battery cells between a series connection for delivering voltage to a load, e.g. a motor; and a parallel connection for being charged. The battery bank can thus be charged by a 12 volt battery charger. The charg... | 04/06/2010 |
| 7598706 | Cell balancing battery pack and method of balancing the cells of a battery A battery with a battery balancing assembly that regulates the discharge of battery cell charge and a method of evenly discharging battery cells, the battery comprising a plurality of cells. The balancing assembly includes switches disposed between the cells such th... | 10/06/2009 |
| 7419020 | Electrical energy system in a hybrid car An electrical energy system (1) in a hybrid car comprises an electrical motor (3), a capacitor (4) and a battery (5). The capacitor (4) is connected electrically to the electrical motor (3) and the capacitor (4) is sw... | 09/02/2008 |
| 7417356 | Power conversion circuitry One form of the invention is directed to an apparatus that comprises step-down circuitry to better match impedance between an input and an output that includes a number of stages each electrically coupled to another and each including a charge storage device. The ci... | 08/26/2008 |
| 7394225 | Pseudo constant current multiple cell battery charger configured with a parallel topology A multiple cell battery charger configured in a parallel topology provides constant current charging. The multiple cell battery charger requires fewer active components than known serial battery chargers, while at the same time preventing a thermal runaway condition... | 07/01/2008 |
| 7378757 | Power generation system A power generating system includes a power generator generating DC power, and an inverter circuit for converting DC power into AC power. The power generator has a plurality of power generating modules each including a plurality of power generating units and at least... | 05/27/2008 |
| 7348760 | Power management topologies A wake up circuit according to one embodiment includes a comparison circuit and an output decision circuit. The comparison circuit may be adapted to receive a first signal representative of a charging current level provided to a battery via a path and a second signa... | 03/25/2008 |
| 7304453 | Methods and systems for assembling batteries A large battery pack of specified voltage and capacity can be assembled from a plurality of identical small cells by dividing the specified capacity by a nominal battery module capacity to determine a desired number of parallel modules to be provided, dividing the n... | 12/04/2007 |
| 7293621 | Vehicle drive system with energy recovery system and vehicle mounting same A drive system with at least one power storage device and at least one motor intermittently energized and de-energized through coupling to the at least one power storage device. The drive having at least one weighted drive member coupled to the at least one motor. A... | 11/13/2007 |
| 7288919 | Voltage balance circuit, voltage detective circuit, voltage balancing method, and voltage detecting method When a control section (39) turns on a switch (31, 33, 35), a capacitor (37) is connected to a secondary battery (B1) in parallel. Accordingly, voltage between both ends of each capacitor (37, 38) reaches voltage between both polar... | 10/30/2007 |
| 7285934 | Combination of power supply and detachable electric implement A combination of a power supply and a detachable electric implement is constructed to include a housing holding a power pack, a first coupling device fixedly located on the housing, an electric implement, which can be an electric sealing apparatus, electric fan, fla... | 10/23/2007 |
| 7274170 | Battery pack control module A battery pack control module for balancing a plurality of cells or groups of cells connected in series includes a controller assembly, a disconnect circuit, a pack sensing circuit, a balancing circuit, and computer instructions for instructing the controller assemb... | 09/25/2007 |
| 7262581 | Power supply A rechargeable power supply including voltage protection means through voltage dependent disconnecting means. A rechargeable power supply comprises at least one rechargeable cell connectable to a power source, a Zener diode connected to the at least one cell, and a ... | 08/28/2007 |
| 7208894 | Electric vehicle motor and control system with high efficiency regeneration The present invention is an electric vehicle power system that uses multiple permanent magnet motor/generators connected in series or parallel and multiple battery step switching. Motor, torque and speed are controlled by steps in series connection and then in paral... | 04/24/2007 |
| 7205732 | Energy collection and storage system A power generation and/or storage device utilizes human motion inputs or other power sources (i.e. hydraulics, pneumatics or explosive gases) to create mechanical kinetic energy that is stored (preferably in springs) and later released on demand to rotate a generato... | 04/17/2007 |
| 7202631 | Battery and system power selector integration scheme In a method and system for operating each smart battery included in a smart battery system, the smart battery is initialized prior to the smart battery being electrically coupled to the smart battery system. The smart battery system or an external power source is se... | 04/10/2007 |
| 7190266 | Pre-installed appliance with warning system and methods of operation A limited-use appliance, such as a garage door operator or a home network bridge device, is disclosed which has at least one input device for generating an input signal and a controller associated with the input device and receiving the input signal. The controller ... | 03/13/2007 |
| 7176656 | Tool with battery pack A handheld tool has an attached position in which the tool is removably attached to a battery pack. The battery pack has an auxiliary battery and output terminals for outputting electricity from the auxiliary battery. The tool includes a load and a primary battery. ... | 02/13/2007 |
| 7170261 | Generator with dual cycloconverter for 120/240 VAC operation A generator system has two modes of operation, such as 120 VAC and 240/120 VAC. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltage. One three phase AC voltage is coupled to a first ... | 01/30/2007 |
| 7165439 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 01/23/2007 |
| 7160133 | Nurse call connector system and method A system and method for providing an electrical and mechanical connection which includes a housing having a face, an electrical connector mounted to the housing and configured to engage with a second electrical connector, a receiver connected to the housing and enco... | 01/09/2007 |
| 7157884 | Method and circuit for energizing and de-energizing an electric energy storage device A method and circuit for energizing an electric energy storage device (10) to a high voltage with electric energy supplied by a high voltage electric power source (16) in a safe, effective and efficient manner by first moving electric charges supplied ... | 01/02/2007 |
| 7157808 | Power supply for a cochlear implant A power supply control system for use with a tissue stimulating prosthesis, such as a cochlear implant. The power supply control system comprises a first battery (31), a second battery (32), at least a third battery (33), and a switching system ... | 01/02/2007 |
| 7145259 | Engine starting motor anti-milling device A power module is connected to the starter, alternator, and battery for an internal combustion engine. The power module includes one or more capacitors and delay timer. When the ignition switch closes, the battery of the starting system provides current to the start... | 12/05/2006 |
| 7145312 | Battery coupled to adapter and tip A system has an adapter/charger to receive power from a power source and output a first DC power signal. A universal battery receives the first DC power signal directly from the adapter/charger and to supplies a second DC power signal, and the universal battery incl... | 12/05/2006 |
| 7132833 | System for detecting defective battery packs An electrical cabinet for an uninterruptibe power supply (UPS) system includes universal slots that can receive power modules, battery packs, or chargers. The back plane of the slot has connector terminals for battery packs and power modules. The cabinet can be easi... | 11/07/2006 |
| 7132832 | Self-diagnosis system for an energy storage device A self-diagnosis system for an energy storage device, the latter including a plurality of electrochemical cells connected in series or parallel to form a cell string. The self-diagnosis system correlates a state of health of the battery based on the internal resista... | 11/07/2006 |
| 7123128 | Pre-installed appliance and method for purchasing the same A limited-use appliance is disclosed which has at least one input device for generating an input signal and a controller associated with the input device and receiving the input signal. The controller initiates at least one limited-use function of the appliance upon... | 10/17/2006 |
| 7119518 | Battery tester A system for testing a battery includes a first capacitor and a second capacitor. The first capacitor and the second capacitor are configured to be arranged in series in a first arrangement and in parallel in a second arrangement. The first capacitor and the second ... | 10/10/2006 |
| 7111488 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 09/26/2006 |
| 7109684 | Secondary cell charger and charging method An equipment and method for charging a secondary battery are provided to quickly and surely charge a secondary battery (secondary batteries) while preventing the secondary battery (batteries) from overcharging or insufficient charging. Special charging voltage E | 09/19/2006 |
| 7102331 | Generator with dual cycloconverter for 120/240 VAC operation A generator system in accordance with the invention has two modes of operation, such as 120 VAC and 240/120 VAC modes of operation. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltag... | 09/05/2006 |
| 7095211 | Battery gas gauge Full capacity determination in a battery gas gauge. Operations include measuring instantaneous open circuit voltage levels during an open circuit time interval for a specific battery cell and correlating such measurements to estimate values. Such estimated values ma... | 08/22/2006 |
| 7075194 | Electronically reconfigurable battery An electronically reconfigurable battery includes a number of battery modules selectively interconnected by a number of electronic switches, wherein a selectable number of battery modules may be connected either in a series configuration or in a parallel configurati... | 07/11/2006 |
| 7059145 | Self-serving power producing apparatus According to one embodiment of the invention, a self-serving power producing apparatus capable of being recharged by a charging mechanism is described. The power producing apparatus comprises a rechargeable power source, a motor powered by the rechargeable power sou... | 06/13/2006 |
