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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Norman E. Luker — 3 Patents

ExxonMobil: 3 patents #3,063 of 10,161Top 35%
Baton Rouge, LA: #584 of 1,896 inventorsTop 35%
Louisiana: #2,243 of 10,876 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Norman E. Luker has been granted 3 US patents while listed as an inventor at ExxonMobil. The first was granted in 1989 and the most recent in November 1991. Norman E. Luker ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Norman E. Luker in Baton Rouge, LA, US.

Patents per Year

Patents granted per year, 1989 to 1991Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891990: 1 patents19901991: 1 patents1991

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5063002 Method for producing an elastomeric crumb using gas to first cut an extruded hot, sticky elastomeric extrudate material, form the crumb, and then convey it away 1991-11-05 $54,363,000
4954352 Apparatus for producing particles of thermoplastic material 1990-09-04 $35,393,000
4848564 Synthetic rubber bale wrap Andor Scheller, Gerald A. Le Grange 1989-07-18 $34,629,000