Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 6128948 | Methodology for diagnosing engine cooling system warm-up behavior A method for monitoring engine coolant warm-up behavior utilizing a model-based algorithm which provides a moving threshold for accumulated air or accumulated fuel entering into the engine. The algorithm allows for coolant temperature monitoring under a w... | 10/10/2000 |
| 6085519 | Anti-coking air injection apparatus for an internal combustion engine An improved anti-coking air injection reaction system in which individual air passages in the engine cylinder head are provided with electrical resistance heating elements that are periodically activated to develop radiant energy that bums off coke deposi... | 07/11/2000 |
| 6079396 | Automotive cold start fuel volatility compensation Automotive internal combustion engine fuel volatility is estimated during cold start operations by stabilizing air admission to the engine and analyzing engine speed over a modeling period following an engine coldstart after engine speed has stabilized an... | 06/27/2000 |
| 6052640 | Automotive torque converter slip estimation Slip across a torque converter of an automotive powertrain is estimated using powertrain operating parameters throughout a powertrain operating cycle for use in powertrain control and diagnostic operations. Slip across the torque converter is estimated an... | 04/18/2000 |
| 6021998 | Power actuator for a rotary valve A rotary power actuator has an oscillating input member and an intermittent rotary output member. A controllable one-way mechanism, which is drivingly connected between the oscillating input member and the rotary output member, accommodates the intermitte... | 02/08/2000 |
| 5996553 | Idle actuator speed control An internal combustion engine idle air control system including an idle air control actuator coupled to an idle air control valve for varying the position of the valve within an engine intake air passage for engine inlet air control under idle operating c... | 12/07/1999 |
| 5956703 | Configurable neural network integrated circuit A neural network IC 31 includes n dedicated processing elements (PEs) 62, an output register 66 for storing the PEs' outputs so that they are immediately accessible to all of the PEs, a number of output circuits 78 that are connected to selected PEs to pr... | 09/21/1999 |
| 5951432 | Planetary gear transmission A planetary gearing arrangement has a compound planetary gear set and a simple planetary gear set. The planetary gear sets are continuously interconnected at the sun gear members and are interconnectable through the selective engagement of two proportioni... | 09/14/1999 |
| 5948026 | Automotive data recorder A multiple state automotive data storage and analysis procedure in which vehicle operating parameters are continuously logged in a first state while monitoring the vehicle operating condition for occurrence of any of a predetermined set of trigger conditi... | 09/07/1999 |
| 5913916 | Fuzzy logic shift scheduling for automatic transmissions Transmission output speed and engine throttle position are inputs to a control which determines acceleration and input speed. Fuzzy logic has acceleration and throttle membership functions and a set of upshift and downshift values, and rules for weighting... | 06/22/1999 |
| 5897597 | Positive crankcase ventilation system diagnostic A diagnostic for diagnosing fault conditions including leak and restriction conditions in a positive crankcase ventilation (PCV) system of an internal combustion engine in which temperature of intake air passed to the PCV system and temperature of exhaust... | 04/27/1999 |
| 5896842 | Closed-loop ignition timing control Internal combustion engine ignition timing control for timing combustion events of an air-fuel mixture in engine cylinders in response to cylinder mean effective pressure feedback information. Cylinder mean effective pressure information is provided throu... | 04/27/1999 |
| 5884610 | Fuel reid vapor pressure estimation Automotive internal combustion engine control and diagnostics responsive to an up-to-date on-board estimate of fuel reid vapor pressure (RVP). An on-board fuel vapor recovery system traps fuel vapors released from a fueling system and is controlled to rel... | 03/23/1999 |
| 5857163 | Adaptive engine control responsive to catalyst deterioration estimation Control of operation of an internal combustion engine is responsive to an estimate of catalyst deterioration in an engine exhaust gas catalytic treatment device, including ignition timing control, intake air control, and supplemental catalyst heating cont... | 01/05/1999 |
| 5855533 | Automotive powertrain control Engine speed control during garage shift maneuvers of a transmission coupled, via a transmission input shaft, to a driven turbine of a hydrodynamic converter, the driven turbine fluidically coupled to a driving pump of the converter, the pump coupled to a... | 01/05/1999 |
| 5846157 | Integrated control of a lean burn engine and a continuously variable transmission A powertrain control method applied to a lean burn engine coupled to a continuously variable transmission for minimizing engine out emissions selects one or more control parameters from a plurality of parameters that may be precisely controlled to provide... | 12/08/1998 |
| 5845627 | Internal combustion engine pneumatic state estimator Pneumatic state estimation operations for estimating gas flow and pressure at pneumatic nodes and flow branches within a reticulated engine system for engine control and diagnostic operations resolves net flow imbalances at specific pneumatic nodes and at... | 12/08/1998 |
| 5835877 | Automatic speed control with lash compensation Mechanical lash in a cruise control system including a cruise control actuator linked to an engine intake air valve through a cruise cable assembly is automatically measured and stored for use in cruise control operations. The cruise control actuator is d... | 11/10/1998 |
| 5803046 | Ignition timing control Automotive internal combustion engine ignition timing control operations for varying timing of engine cylinder combustion chamber ignition events models the lead-lag combustion chamber temperature change profile under a transition from a first to a second... | 09/08/1998 |
| 5792949 | Crankcase ventilation system diagnostic A positive crankcase ventilation system diagnostic applied in an automotive internal combustion engine with a pressure sensor disposed in the system for continuous sensing of system pressure while the engine is running in a steady state operating conditio... | 08/11/1998 |
| 5787705 | Catalyst diagnostic A procedure has been proposed for diagnosing operability of a catalytic treatment device for catalytically treating internal combustion engine exhaust gas, by determining whether the catalytic treatment device reaches a light-off operating condition withi... | 08/04/1998 |
| 5786531 | Compression ratio measurement Internal combustion engine cylinder compression ratio measurement is provided by applying a train of pressure pulses to an engine cylinder, measuring time rate of change in pressure within the cylinder and estimating a volume of air within the cylinder fr... | 07/28/1998 |
| 5775298 | Internal combustion engine control Two stroke internal combustion engine control compensates for diagnosed cylinder misfire conditions characterized by improper combustion, during a cylinder combustion event, of an air/fuel mixture in an engine cylinder by learning a required number of cyl... | 07/07/1998 |
| 5775228 | Locomotive adhesion enhancing slipping discs At least one powered disc is suspended from a locomotive and applied to a rail surface for treating the rail surface ahead of driven locomotive wheels to increase adhesion between the driven wheels and the rail surface. Torque applied to the disc varies t... | 07/07/1998 |
| 5749343 | Adaptive electronic throttle control An adaptive electronic throttle control system for internal combustion engine intake air rate control selectively adapts the responsiveness of the intake air rate control to maintain synchronism with other engine control systems including fuel control and... | 05/12/1998 |
| 5750886 | Engine emissions analyzer with diagnostic A method for analyzing automotive vehicle emissions detects and logs significant engine events over a test period, and applies the logged events to a model defining the emissions impact of such events to yield a vehicle emissions estimate for the test per... | 05/12/1998 |
| 5740045 | Predictive spark controller Engine speed control through variation in ignition timing of an air-fuel mixture in engine cylinders to vary engine output torque in response to current and predicted future engine speed error includes a proportional-derivative control strategy for dampin... | 04/14/1998 |
| 5726892 | Engine speed prediction method for engine control Using a plurality of engine position reference pulses for each cylinder event, several reference periods for each cylinder event are defined and the engine speed can be accurately predicted for the current reference period and for future reference periods... | 03/10/1998 |
| 5720258 | Internal combustion engine control Control of engine speed responsive to a deviation in engine speed away from a target speed is applied selectively under closed-loop airflow control operating conditions, such as idle and coastdown operating conditions in response to analysis of a cause of... | 02/24/1998 |
| 5719330 | Automotive igniton module diagnostic Ignition modules for directly applying spark plug drive signals to spark plug pairs disposed in engine cylinders are diagnosed by issuing drive signals to the ignition modules and then monitoring the corresponding engine cylinders for misfire condition pa... | 02/17/1998 |
| 5715780 | Cam phaser position detection Internal combustion engine camshaft phaser position detection with a single position sensor fixed in position relative to a rotatably driven member rotating in constant phase with the engine camshaft and a rotatably driving member rotating in constant pha... | 02/10/1998 |
| 5716223 | Spark plug boot insulator A spark plug boot assembly for interfacing an ignition signal conductor and a spark plug, the assembly including a spark plug boot having a hollow electrically conductive cylinder disposed on an interior boot surface, the cylinder having a flared lower cy... | 02/10/1998 |
| 5708585 | Combustible gas measurement A pulsed measurement technique for calorimetric sensors provides a short current pulse through catalyzed and inert sensor elements to minimize self heating while providing for sensor resistance measurement, so that a determination of the level of catalyti... | 01/13/1998 |
| 5707117 | Active brake control diagnostic A comprehensive diagnostic for an active brake control system for automatically increasing braking at selected wheels of an automotive vehicle in response to detected vehicle turning maneuvers provides a hierarchy of diagnostic procedures for diagnosing l... | 01/13/1998 |
| 5690513 | Header connector snap lock A header connector snap lock apparatus for securing a header connector to a printed circuit board through insertion of semicircular header connector pegs into corresponding circular printed circuit board openings allowing for circuit board thermal expansi... | 11/25/1997 |
| 5669354 | Active driveline damping Internal combustion engine torque control for damping undesirable engine speed variation measures the variation as a high frequency engine speed variation at a known engine operating angle and, for each cylinder combustion event while the variation is pre... | 09/23/1997 |
| 5668725 | Internal combustion engine misfire detection Internal combustion engine control and diagnostics provides for delivery of a fuel quantity and intake air to engine cylinders and for an ignition signal to ignite the air and fuel, wherein misfire conditions in the cylinder are diagnosed over all operati... | 09/16/1997 |
| 5666932 | EGR valve maintenance method A maintenance method for periodically maintaining the operating condition of an exhaust gas recirculation valve for controlling recirculation of internal combustion engine exhaust gas from an exhaust gas path to an engine intake air path in which the valv... | 09/16/1997 |
| 5666931 | Integrated engine dilution control Integrated dilution control for diluting internal combustion engine intake air through control of relative timing between engine cylinder intake and exhaust valve events integrated with control of recirculation of engine exhaust gas through an external ex... | 09/16/1997 |
| 5668727 | Powertrain torque control method In a powertrain including an internal combustion engine coupled to a transmission, engine ignition timing is controlled to minimize the impact of severe mechanical load disturbances, such as resulting from transmission shifts into or out of park or neutra... | 09/16/1997 |
