DW

David P. Wieczorek

SA Siemens Automotive: 13 patents #11 of 231Top 5%
SA Siemens Automotive: 6 patents #6 of 85Top 8%
SE Siemens-Bendix Automotive Electronics: 3 patents #11 of 56Top 20%
SA Siemens Vdo Automotive Ag: 1 patents #223 of 559Top 40%
📍 Newport News, VA: #11 of 572 inventorsTop 2%
🗺 Virginia: #919 of 34,511 inventorsTop 3%
Overall (All Time): #165,674 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
6886758 Fuel injector temperature stabilizing arrangement and method John Phillips 2005-05-03
6650032 Electronic compensator for a piezoelectric actuator Thomas Allen Sumrak 2003-11-18
6400066 Electronic compensator for a piezoelectric actuator Thomas Allen Sumrak 2002-06-04
6357677 Fuel injection valve with multiple nozzle plates Wei Ren 2002-03-19
6257508 Fuel injector having after-injection reduction arrangement James Fochtman 2001-07-10
6179227 Pressure swirl generator for a fuel injector Wei Ren 2001-01-30
6039272 Swirl generator in a fuel injector Wei Ren 2000-03-21
5878962 Pressure swirl injector with angled cone spray for fuel injection Jingming J. Shen, Wei Ren, Gyula A. Huszar 1999-03-09
5875972 Swirl generator in a fuel injector Wei Ren 1999-03-02
5775600 Method and fuel injector enabling precision setting of valve lift Ray Wildeson, Gordon Wyant, Christoph Hamann 1998-07-07
5704553 Compact injector armature valve assembly Hans-Joachim Sailer 1998-01-06
5641126 Fuel injection systems with compact filter mountings Debora E. Nally, Michael J. Frick 1997-06-24
5625946 Armature guide for an electromechanical fuel injector and method of assembly Raymond Wildeson, L. Blair Weaver, Benjamin F. Brinn, Jr. 1997-05-06
5577663 Bottom feed injector with top calibration feed Debora E. Nally 1996-11-26
5494223 Fuel injector having improved parallelism of impacting armature surface to impacted stop surface Bryan Hall, Ray Wildeson, Gordon Wyant, Debora E. Nally 1996-02-27
5494224 Flow area armature for fuel injector Bryan Hall, Gordon Wyant 1996-02-27
5494225 Shell component to protect injector from corrosion Debora E. Nally, Bryan Hall 1996-02-27
5465910 Overmolded cover for fuel injector power group and method Bryan Hall, Gordon Wyant, Ramond T. Wildeson, Debora E. Nally 1995-11-14
5433386 Fuel injector having an adjustment tube that discourages support for a vapor bubble dome Gordon Wyant 1995-07-18
5241858 Dynamic flow calibration of a fuel injector by selective diversion of magnetic flux from the working gap Thomas Allen Sumrak 1993-09-07
5211341 Fuel injector valve having a collared sphere valve element 1993-05-18
5157967 Dynamic flow calibration of a fuel injector by selective positioning of its solenoid coil 1992-10-27
4971254 Thin orifice swirl injector nozzle Paul D. Daly, John S. Welc, Sims B. Demere, Ross Wood 1990-11-20
4967959 Fuel injector having flat seat and needle fuel seal 1990-11-06
4949904 Calibration of fuel injectors via permeability adjustment George T. Bata 1990-08-21