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USPTO Patent Rankings Data through Dec 31, 2025
JH

James E. Hardy — 5 Patents

ExxonMobil: 5 patents #2,147 of 10,161Top 25%
Scotch Plains, NJ: #158 of 466 inventorsTop 35%
New Jersey: #16,606 of 69,400 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
James E. Hardy has been granted 5 US patents while listed as an inventor at ExxonMobil. The first was granted in 1982 and the most recent in July 1987. James E. Hardy ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list James E. Hardy in Scotch Plains, NJ, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4682468 Non-catalytic method for reducing the NO emissions of gas turbines Anthony M. Dean, Anthony J. DeGregoria, Richard K. Lyon 1987-07-28 $30,488,000
4636370 Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures from about 975 degrees K. to 1300 degrees K. Anthony M. Dean, Anthony J. DeGregoria, Boyd E. Hurst, Richard K. Lyon 1987-01-13 $55,389,000
4624840 Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300.degree. K. Anthony M. Dean, Anthony J. DeGregoria, Boyd E. Hurst, Richard K. Lyon 1986-11-25 $18,650,000
4507269 Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300 degree K Anthony M. Dean, Anthony J. DeGregoria, Boyd E. Hurst, Richard K. Lyon 1985-03-26 $38,119,000
4333735 Process and apparatus for measuring gaseous fixed nitrogen species John J. Knarr 1982-06-08 $42,876,000