Inventor

LEWIS STEPHEN R

US59 patents

⚠️ This page may combine multiple inventors who share the name “LEWIS STEPHEN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEWIS STEPHEN R

CATERPILLAR INC

Method and apparatus for controlling a fuel injector assembly of an internal combustion engine

Measuring check motion through pressure sensing

Valve assembly having electrical actuator with stepped armature

Fuel injector having piezoelectric actuator with preload control element and method

Fuel injector control system and method

Auxiliary systems for an engine having two electrical actuators on a single circuit

Poppet valve shaping for quick valve opening

Cam assisted common rail fuel system and engine using same

Self-guided armature in single pole solenoid actuator assembly and fuel injector using same

Mechanically actuated, electronically controlled fuel injection system

Rapidly opening electromagnetic valve

System and method for internal cooling of a fuel injector

System for preloading piezoelectric actuators and method

Fuel injector and method of assembly therefor

Electromagnetic control valve

System for preloading piezoelectric actuators and method

Fuel injector having integral body guide and nozzle case for pressure containment

Power management system for fuel injected engine

Two wire intensified common rail fuel system

Valve member to armature coupling system and fuel injector using same

Method and system for identification of fuel injector type

PIXTRONIX INC

Display methods and apparatus

Circuits for controlling display apparatus

Circuits for controlling display apparatus

Circuits for controlling an array of light modulators of a display apparatus to generate display images

Circuits for controlling display apparatus

Display apparatus with densely packed electromechanical systems display elements

ANALOG DEVICES INC

Micromechanical apparatus with limited actuation bandwidth

Curvature correction of bipolar bandgap references

MOS threshold control circuit

Digital-to-analog converter with on-board unity gain inverting amplifier

LEWIS STEPHEN R

Circuits for controlling MEMS display apparatus on a transparent substrate

Circuits for controlling display apparatus

Cavitation erosion reduction strategy for valve member and fuel injector utilizing same

Indirect laser induced residual stress in a fuel system component and fuel system using same

HAGOOD NESBITT W

Circuits for controlling display apparatus

Display methods and apparatus

Display methods and apparatus

HAGOOD IV NESBITT W

Display methods and apparatus

Direct-view MEMS display devices and methods for generating images thereon

Circuits for controlling display apparatus

GANDHI JIGNESH

Circuits for controlling display apparatus

BUNNI NADEEM

Efficient wave form to control fuel system

BUNNI NADEEM N

Solenoid actuated device and methods

ANALOG DEIVCES INC

Sub-ranging A/D converter with improved error correction

VENKATARAGHAVAN JAYARAMANARAMAN K

Stator assembly and fuel injector using same

IBRAHIM DANIEL R

System and method for internal cooling of a fuel injector

MANUBOLU AVINASH R

Precision ground armature assembly for solenoid actuator and fuel injector using same

VENKATARAGHAVAN JAYARAMAN K

Engine having fuel injector with actuator cooling system and method

KRISHNASWAMY HARISH K

Electromagnetic actuator and method for controlling fluid flow