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

John E. Cuzens — 9 Patents

ARArkenol: 9 patents #1 of 2Top 50%
Santa Ana, CA: #143 of 1,362 inventorsTop 15%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
John E. Cuzens has been granted 9 US patents while listed as an inventor at Arkenol. The first was granted in 1996 and the most recent in April 2000. John E. Cuzens ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John E. Cuzens in Santa Ana, CA, US.

Patents per Year

Patents granted per year, 1996 to 2000Bar chart with a peak of 3 patents in 1998.peak 31996: 2 patents19961997: 2 patents19971998: 3 patents19981999: 1 patents19992000: 1 patents2000

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6054611 Method for the production of levulinic acid and its derivatives William A. Farone 2000-04-25
5892107 Method for the production of levulinic acid William A. Farone 1999-04-06
5820687 Method of separating acids and sugars using ion resin separation William A. Farone 1998-10-13
5782982 Method of removing silica or silicates from solids resulting from the strong acid hydrolysis of cellulosic and hemicellulosic materials William A. Farone 1998-07-21
5726046 Method of producing sugars using strong acid hydrolysis William A. Farone 1998-03-10
5620877 Method of fermenting sugars resulting from strong acid hydrolysis William A. Farone 1997-04-15
5597714 Strong acid hydrolysis of cellulosic and hemicellulosic materials William A. Farone 1997-01-28
5580389 Method of separating acids and sugars resulting from strong acid hydrolysis William A. Farone 1996-12-03
5562777 Method of producing sugars using strong acid hydrolysis of cellulosic and hemicellulosic materials William A. Farone 1996-10-08