SP

Stephen K. Phelps

Caterpillar: 5 patents #1,323 of 8,398Top 20%
GI Gas Research Institute: 1 patents #343 of 808Top 45%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
Overall (All Time): #735,812 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9382675 Electric powered systems for paving machines Toby A. Frelich, Krishnakumar Ramamoorthy 2016-07-05
6389345 Method and apparatus for determining a cross slope of a surface 2002-05-14
6275758 Method and apparatus for determining a cross slope of a surface 2001-08-14
6164117 Inclination sensor and method of measuring the accuracy thereof Shawn C. Passwater, Robert R. Sychra 2000-12-26
6060719 Fail safe gas furnace optical flame sensor using a transconductance amplifier and low photodiode current Joseph DiTucci, Martin F. Zabielski 2000-05-09
5994865 Apparatus and method for control of an earth moving implement Robert R. Sychra 1999-11-30
5691700 Apparatus and method using non-contact light sensing with selective field of view, low input impedance, current-mode amplification and/or adjustable switching level Frederick T. Olender, Martin F. Zabielski 1997-11-25