Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Alberto DeLeon

CECelotex: 9 patents #3 of 77Top 4%
St. Petersburg, FL: #91 of 1,383 inventorsTop 7%
Florida: #4,846 of 67,251 inventorsTop 8%
Overall (All Time): #473,023 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6133329 Aromatic polyester polyols made from a natural oil David J. Shieh 2000-10-17
RE36674 Faced foam insulation board and froth-foaming method for making same David G. Gluck, John P. Oliver 2000-04-25
5360900 Aromatic polyester polyol David J. Shieh 1994-11-01
4711912 Polyisocyanurate foams from digestion products of polyalkylene terephthalate polymers and polyols Scott C. Snider 1987-12-08
4572865 Faced foam insulation board and froth-foaming method for making same David G. Gluck, John P. Oliver 1986-02-25
4555418 Alkoxylated aromatic amine-aromatic polyester polyol blend and polyisocyanurate foam therefrom Scott C. Snider 1985-11-26
4496625 Alkoxylated aromatic amine-aromatic polyester polyol blend and polyisocyanurate foam therefrom Scott C. Snider 1985-01-29
4411949 Polymeric foams from transesterified by-product derived from manufacture of dimethyl terephthalate and laminates therefrom Scott C. Snider 1983-10-25
4362678 Method of making polyisocyanurate foam laminate Michael J. Skowronski 1982-12-07
4311801 Polyisocyanurate foam and process therefor Michael J. Skowronski 1982-01-19
4212917 Polyisocyanurate foam laminate Michael J. Skowronski 1980-07-15