...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7836869 | Multiple primary coil ignition system and method An original coil having a single primary winding is replaced with a replacement ignition coil having a first primary winding and a second primary winding. The replacement coil is coupled to the existing controller of the ignition system and to a spark plug. The cont... | 11/23/2010 |
| 7251571 | Methods of diagnosing open-secondary winding of an ignition coil using the ionization current signal In a first embodiment, the present invention is a method of detecting an open secondary winding, including the steps of enabling an integrator, resetting the integrator, detecting an ionization current, integrating the ionization current over a spark window, compari... | 07/31/2007 |
| 7207325 | Engine ignition system having noise protection circuit An ignition system for an internal combustion engine includes a switch circuit connected to an ignition coil to switch on or off current supplied to the ignition coil, a control circuit for providing a control signal for controlling the switch circuit based on the i... | 04/24/2007 |
| 7130180 | Partitioned exciter system A partitioned exciter system for use with an igniter in an aircraft engine. The exciter has low-energy charging circuit and a high-energy discharge circuit that are remotely located from each other and that are connected by a low-energy coaxial cable. The charging c... | 10/31/2006 |
| 7129716 | Circuit for motor vehicles with coding plug A circuit arrangement for motor vehicles for characterizing one of several variants of an electrically controllable subassembly is provided. A subassembly is connectable to a coding plug. The coding plug has at least one electric terminal which is directly or indire... | 10/31/2006 |
| 7063079 | Device for reducing the part count and package size of an in-cylinder ionization detection system by integrating the ionization detection circuit and ignition coil driver into a single package Two embodiments of an integrated ionization detection circuit and ignition coil driver, an ASIC and a single electronic package, are disclosed. The apparatuses reduce the cost and complexity of an in-cylinder ionization detection system by combining like functionali... | 06/20/2006 |
| 7055372 | Method of detecting cylinder ID using in-cylinder ionization for spark detection following partial coil charging The present feature of the invention comprises a method and apparatus for determining cylinder ID. When a cylinder is compressed, the resistance increases across the spark plug gap. Thus, if a spark coil is only partially charged before activation of the spark, the ... | 06/06/2006 |
| 6976482 | Electronic ignition system for vintage automobiles An electronic ignition system for a vintage automobile includes an ignition coil and an electronic switching circuit disposed in a coil box of the vintage automobile. The coil and electronic switching circuit are mounted within a coil box module that replaces four o... | 12/20/2005 |
| 6974351 | Interchangeable adapter for electric motor-and-gear assembly In an electric motor-and-gear assembly for driving automotive power accessories such as front and rear wipers, power window units, or the like, having transmission casing, that can be closed by means of a casing cover, and having a socket that is disposed in the cas... | 12/13/2005 |
| 6720672 | Motorcycle wiring harness A motorcycle wiring harness for use with aftermarket motorcycle frames and one of several types of Harley Davidson® engines that permit the engine to be operated without one or more of the factory provided features or interlocks. ... | 04/13/2004 |
| 6715474 | Internal combustion engine An engine where first combustion where the amount of the EGR gas in the combustion chamber is larger than the amount of EGR where the amount of production of soot peaks and almost no soot is produced and a second combustion where the amount of EGR gas in the combust... | 04/06/2004 |
| 6213108 | System and method for providing multicharge ignition A system and method of providing multicharge ignition are provided. The method and system preferably are adapted to trigger at least some of the multicharge events of the system and method in a current-dependent manner. Preferably, existing power train co... | 04/10/2001 |
| 5803059 | Automotive intermediate ignition signal converter An ignition synchronization system and method of using the same are provided for the ignition systems of internal combustion engines. The system retains all of the parts of the vehicle's original ignition system. The system adds a new ignition device havi... | 09/08/1998 |
| 5701875 | Ignition assembly adapter system A new combustion engine assembly adapter system for adapting ignition systems for use on engines not originally equipped with ignition systems. The inventive device includes an ignition assembly support for mounting an ignition distributor on a combustion... | 12/30/1997 |
| 5513617 | Breakerless ignition system for internal combustion aircraft engines A breakerless ignition system for internal combustion aircraft engines which includes a pair of separately activated Hall effect and amplifier combinations for controlling the timing and the delivery of electrical energy to the spark plugs of the engine i... | 05/07/1996 |
| 5423305 | Ignition system A direct ignition system includes a main high voltage coil electrically connected to a distributer which has a central pole electrically connected to the main high voltage coil for receiving a high voltage signal therefrom and rotating in concert with an ... | 06/13/1995 |
| 5421303 | Kit and method for minimizing combustion knock in an internal combustion engine A kit and a method for minimizing combustion knock and improving fuel economy in an internal combustion engine which includes a cooling system having a first thermostat which blocks the flow of coolant until a first specified temperature is reached. The k... | 06/06/1995 |
| 5000138 | Engines for use with gasous fuels A method of installing spark plugs in a diesel internal combustion engine during conversion of the engine to a spark ignited internal combustion engine using gaseous fuel works with an engine originally having a cylinder block, a cylinder head cooperable ... | 03/19/1991 |
| 4829970 | Ignition system A means for readily changing the ignition system of an existing internal combustion engine to a solid state capacitive discharge ignition system which comprises an auxiliary coil, a primarty ignition coil and a secondary ignition coil wound on a single le... | 05/16/1989 |
| 4710598 | Distributor for multi-cylinder engine The distributor of the present invention includes a housing having condenser and points therein and having a rotor adapted to actuate the points for producing intermittent pulses of current at an outlet connector. A dielectric disk is attached to the roto... | 12/01/1987 |
| 4658103 | Distributor for multi-cylinder engine The distributor of the present invention includes a housing having condenser and points therein and having a rotor adapted to actuate the points for producing intermittent pulses of current at an outlet connector. A dielectric disk is attached to the roto... | 04/14/1987 |
| 4641627 | Ignition module A ignition module for an ignition system originally fitted with mechanical breaker points. The module comprising a drive winding adapted to be circumferentially received about one of the legs of a core for generating a first induced voltage signal in resp... | 02/10/1987 |
| 4526157 | Auto ignition conversion apparatus and method An electronic auto ignition unit is converted to a non-electronic, conventional type ignition unit by substituting a modified slip fit timing cam for the timing rotor of the electronic unit, a conventional plate-point-condensor assembly and driving the mo... | 07/02/1985 |
| 4469080 | Ignition control bypass cable An auxiliary cable having a plurality of wires and connecting terminals at each end provides electrical connections between an electronic ignition control unit and engine starting elements to permit starting a vehicle internal combustion engine despite a ... | 09/04/1984 |
| 4407255 | Apparatus for supplying high voltage pulses An ignition system is provided for creating a continuous stream of high voltage pulses to each spark plug (8) over a predetermined period of time as controlled by the distributor (7). Below the transformer core (1) is positioned a switch (6) incorporating... | 10/04/1983 |
| 4404951 | Ignition control box assembly for internal combustion engine The ignition control box assembly is adapted to be retrofit onto an internal combustion engine and to maintain a hose for the engine against movement in all directions while providing electrical shielding for transformer assemblies mounted within the cont... | 09/20/1983 |
| 4331122 | Adapter for improving the operation of electrical circuits in a motor vehicle Adapter plugs are proposed for electronic circuits in motor vehicles which normally receive plug-in units. The adapter plug is interposed between the circuits and the plug-in units and contains circuits which improve the operation of such units. Specifica... | 05/25/1982 |
| 4269160 | Ignition device for internal combustion engine A device for improving the ignition characteristic of an internal combustion engine and reducing the air pollutants discharged by such engine having electrical apparatus for applying an electrostatic charge into the combustion chambers of the engine inclu... | 05/26/1981 |
| 4170977 | Ignition system A means for readily converting the ignition system of an existing internal combustion engine to a solid state capacitive discharge ignition system which comprises an auxiliary coil, a primary ignition coil and a secondary ignition coil wound on a single l... | 10/16/1979 |
| 4069801 | Electronic ignition system An electronic ignition system for an engine is connected in place of the conventional ignition system by a transfer relay that is energized when the ignition switch is closed. An energy storage capacitor is charged by the rectified output of an inverter t... | 01/24/1978 |
| 4058103 | Electronic ignition unit An electronic ignition unit which can be installed as a simple replacement for a conventional distributor including a "breakerless" transector for supplying firing pulses in timed sequence to the spark plugs of a conventional internal combustion engine.... | 11/15/1977 |
| 3933140 | Capacitive discharge ignition adapter An electrical ignition system for adapting a conventional, such as a breaker point type, ignition system of an engine to a capacitor discharge ignition system. A single adapter is compatible with both positive and negative polarity existing ignition syste... | 01/20/1976 |