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

Ralf Korpman

PEPermacel: 10 patents #1 of 8Top 15%
Johnson & Johnson: 9 patents #1,098 of 7,810Top 15%
PPPersonal Products: 7 patents #3 of 59Top 6%
MCMcneil-Ppc: 3 patents #192 of 746Top 30%
CHChicopee: 2 patents #16 of 80Top 20%
Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Bound Brook, NJ: #43 of 1,249 inventorsTop 4%
New Jersey: #1,729 of 69,400 inventorsTop 3%
Overall (All Time): #99,524 of 4,157,543Top 3%
35 Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4389444 Novel alloy compositions and products 1983-06-21
4388349 Extrusion coating process C. Palermo Felice 1983-06-14
4379806 Pressure-sensitive adhesive tape and process 1983-04-12
4328269 Pressure sensitive adhesive and tape 1982-05-04
4325770 Process for pressure-sensitive adhesive coated products 1982-04-20
4318408 Absorbent products 1982-03-09
4314558 Surgical drainage bags 1982-02-09
4301255 Novel alloy compositions and products 1981-11-17
4294936 Adhesive compositions 1981-10-13
4242402 Lift-off tape and process 1980-12-30