Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CM

Christopher E. Milliken — 9 Patents

CMCompass Technology Management: 7 patents #2 of 14Top 15%
GIGas Research Institute: 2 patents #168 of 808Top 25%
Salt Lake City, UT: #511 of 4,590 inventorsTop 15%
Utah: #2,292 of 19,430 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Christopher E. Milliken has been granted 9 US patents while listed as an inventor at Compass Technology Management. The first was granted in 1997 and the most recent in January 2007. Christopher E. Milliken ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Christopher E. Milliken in Salt Lake City, UT, US.

Patents per Year

Patents granted per year, 1997 to 2007Bar chart with a peak of 4 patents in 2002.peak 41997: 1 patents19971999: 1 patents19992001: 1 patents20012002: 4 patents20022005: 1 patents20052007: 1 patents2007

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7163759 Solid oxide fuel cell stack assembly having tapered diffusion layers Michael A. Petrik, Robert C. Ruhl 2007-01-16
6878480 Electrochemical apparatus with reactant micro-channels Robert C. Ruhl, Michael A. Petrik 2005-04-12
6489050 Apparatus and method for cooling high-temperature fuel cell stacks Robert C. Ruhl, Michael A. Petrik 2002-12-03
6440596 Solid-oxide fuel cell hot assembly Robert C. Ruhl, Michael A. Petrik 2002-08-27
6399233 Technique for rapid cured electrochemical apparatus component fabrication Carrie Manon Hawk, Adam B. Brakas 2002-06-04
6361892 Electrochemical apparatus with reactant micro-channels Robert C. Ruhl, Michael A. Petrik 2002-03-26
6238816 Method for steam reforming hydrocarbons using a sulfur-tolerant catalyst Thomas L. Cable, Adam B. Brakas, Robert C. Ruhl 2001-05-29
5958304 Doped lanthanum chromite material for bipolar interconnects for solid oxide fuel cells Ashok C. Khandkar, Singaravelu Elangovan, Joseph J. Hartvigsen 1999-09-28
5614127 High-performance ceramic interconnect for SOFC applications Ashok C. Khandkar, S. Elangovan 1997-03-25