Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JH

James H. Haddad

EXExxonMobil: 39 patents #195 of 10,161Top 2%
Princeton Junction, NJ: #18 of 389 inventorsTop 5%
New Jersey: #1,360 of 69,400 inventorsTop 2%
Overall (All Time): #80,304 of 4,157,543Top 2%
40 Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
4561966 Combination fluid bed dry distillation and coking process for oil/tar sands Hartley Owen, John C. Zahner 1985-12-31
4541921 Method and apparatus for regenerating cracking catalyst Benjamin Gross, Madhava Malladi 1985-09-17
4504291 Dropout boot for power recovery train Klaus W. Schatz 1985-03-12
4502947 Closed cyclone FCC catalyst separation method and apparatus Hartley Owen, Klaus W. Schatz 1985-03-05
4448753 Apparatus for regenerating cracking catalyst Benjamin Gross, Madhava Malladi 1984-05-15
4446107 Improved FCC vessel and cyclone apparatus Frank M. Buyan 1984-05-01
4431856 Fluid zeolite catalyst conversion of alcohols and oxygenated derivatives to hydrocarbons Nicholas Daviduk 1984-02-14
4423274 Method for converting alcohols to hydrocarbons Nicholas Daviduk 1983-12-27
4404095 Method and means for separating gaseous materials from finely divided catalyst particles Frederick J. Krambeck 1983-09-13
4379123 Fluid catalyst conversion of alcohols and oxygenates to hydrocarbons Nicholas Daviduk 1983-04-05
4338475 Converting alcohols to hydrocarbons Nicholas D. Pennington 1982-07-06
4328384 Fluid zeolite catalyst conversion of alcohols and oxygenated derivatives to hydrocarbons by controlling exothermic reaction heat Nicholas Daviduk 1982-05-04
4251484 Method and apparatus for converting alcohols to hydrocarbons Nicholas Daviduk 1981-02-17
4238631 Fluid zeolite catalyzed conversion of alcohols and oxygenated derivatives to hydrocarbons by controlling exothermic reaction heat Nicholas Daviduk 1980-12-09
4219407 Fluid cracking process and the method for separating a suspension discharged from a riser cracking zone Scott A. Heffley, Hartley Owen 1980-08-26