Inventor
FRANK DAVID A
US17 patents
⚠️ This page may combine multiple inventors who share the name “FRANK DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
4 patentsUS6868666B2Mar 22, 2005
Method and apparatus for monitoring catalyst efficiency and outlet oxygen sensor performance
GEN MOTORS CORP23 citations92
US6422003B1Jul 23, 2002
NOX catalyst exhaust feedstream control system
GEN MOTORS CORP35 citations92
US7028463B2Apr 18, 2006
Engine valve assembly
GEN MOTORS CORP41 citations89
US6996974B2Feb 14, 2006
Fuel control failure detection based on post O2 sensor
GEN MOTORS CORP14 citations83
FRANK DAVID A
4 patentsUS8244418B1Aug 14, 2012
System and method for generating alert signals in a weather awareness and warning system
FRANK DAVID A30 citations91
US8099234B1Jan 17, 2012
System, apparatus, and method for generating location information on an aircraft display unit using location markers
FRANK DAVID A24 citations91
US8445517B2May 21, 2013
Stat modulators
FRANK DAVID A3 citations61
US8876534B1Nov 4, 2014
Apparatus and methods for lighting synthetic terrain images
FRANK DAVID A0 citations30