Thomas Edison obtained a patent for an electrographic vote recorder.
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| Number | Title | Issue Date |
| 7270582 | Power generating and propelling system of vessel A power generating and propelling system of a vessel has an electric power generating device (10) installed between an internal combustion engine (2) and a transmission (3). A stator (11) of the generating device (10) is built in a... | 09/18/2007 |
| 7051522 | Thermoelectric catalytic converter temperature control A method for controlling temperature of a catalytic converter in an automobile exhaust system is disclosed. The method includes establishing a reference temperature for the catalytic converter, distributing a stream of exhaust gases through the catalytic converter, ... | 05/30/2006 |
| 7023102 | Power generation controller for AC generator A power generation controller for an AC generator detects the state of a battery and an electric load to control the output of the AC generator. A current detector detects a current to be used by an electric load on the vehicle. The controller includes a field curre... | 04/04/2006 |
| 6133702 | Multi-function vehicle starter and alternator and method therefor A multi-function apparatus and a method for performing the functions of a starter, alternator and engine stabilization system for an engine of a motor vehicle. The apparatus comprises a rotor, a stator and a switching/detection system associated with the ... | 10/17/2000 |
| 5258651 | Electrically biased starting reaction device for a power transmission A planetary gear arrangement, which provides a starting device for a power transmission, has an electrically biased reaction member. The reaction member is operatively connected with an electric motor/generator that is selectively controlled to establish ... | 11/02/1993 |
| 4097752 | Power supply of installations driven by internal combustion engines, especially of motor vehicles A power supply of installations, especially of motor vehicles, driven by internal combustion engines which consists of a generator, a storage battery and loads as well as corresponding switching means; at least one thermionic converter acted upon by the h... | 06/27/1978 |