Inventor · Pfatter, DE

Stephan Bolz

72Patents
9h-index
33Co-inventors
78Inventor score

Filing activity: Jan 18, 1999 → Feb 22, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6497222B2 Actuator configuration and method, in particular, for actuating an injection valve of an internal combustion engine Physics 26 Expired
US7279964B2 Drive circuit, device, and method for suppressing noise, and use Electricity 25 Expired
US6919648B2 Motor vehicle electric system Emerging Cross-Sectional Technologies 25 Expired
US8935114B2 Determining the closing time of a fuel injection valve based on evaluating the actuation voltage Electricity 14 Active
US7454299B2 Device and method for detecting an end of a movement of a valve piston in a valve Mechanical Engineering; Lighting; Heating 12 Active
US7218497B2 Protective circuit for protection against over-voltage for a CAN bus transceiver Electricity 12 Expired
US7800346B2 Device and method for equalizing charges of series-connected energy stores Emerging Cross-Sectional Technologies 11 Expired
US7675726B2 Device for protecting electronic modules in a multi-voltage on-board electrical system against short circuits Electricity 11 Expired
US7812572B2 Device and method for charge equalization of series-connected individual cells of an energy accumulator Emerging Cross-Sectional Technologies 9 Active
US6868713B2 Device for determining the internal resistance of a linear oxygen probe Physics 9 Expired
US7312596B2 Device and method for equalising the charge of serially connected capacitors belonging to a double layer capacitor Electricity 9 Expired
US6456086B1 Voltage monitoring device for monitoring two different supply voltages received by an electronic component Physics 9 Expired
US7245474B2 Circuit arrangement and method for controlling a bistable magnetic valve Electricity 8 Expired
US7825638B2 Device and method for balancing charge between the individual cells of a double-layer capacitor Emerging Cross-Sectional Technologies 8 Active
US6347277B2 Method and device for calibrating a probe system Physics 7 Expired
US7367302B2 Method and device for switching on a power switch arranged between capacitive elements Electricity 6 Expired
US7714544B2 Switching device for bi-directionally equalizing charge between energy accumulators and corresponding methods Emerging Cross-Sectional Technologies 6 Active
US6317681A Method for monitoring the operation of sensors in an internal combustion engine, and electronic controller operating in accordance with the method Emerging Cross-Sectional Technologies 5 Expired
US8143954B2 Oscillation device with auxiliary oscillating means Electricity 5 Active
US6127745A Device for guarding mispolarization of inductive loads Electricity 5 Expired
US6960290B2 Testing and calibration device for an oxygen probe evaluation circuit and method of use of the device Physics 5 Expired
US8725392B2 Device for controlling an injection valve actuator for an internal combustion engine Mechanical Engineering; Lighting; Heating 5 Active
US7050902B1 Control system for internal combustion engine comprising a sensor and an interface for digitising measurement values Electricity 4 Expired
US6763697B2 Method and device for operating a linear lambda probe Physics 4 Expired
US6135096A Control device for a fuel injection system Mechanical Engineering; Lighting; Heating 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.