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

Ralf Korpman — 35 Patents

PEPermacel: 10 patents #1 of 8Top 15%
Johnson & Johnson: 9 patents #1,101 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: #1,742 of 69,400 inventorsTop 3%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Ralf Korpman has been granted 35 US patents while listed as an inventor at Permacel. The first was granted in 1980 and the most recent in April 1999. Ralf Korpman ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Ralf Korpman in Bound Brook, NJ, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5891957 Adhesive composition for skin adhesion and bandage applications David R. Hansen 1999-04-06
5885681 Molten adhesive fibers and products made therefrom 1999-03-23
5760135 Pressure sensitive adhesive Vera Korpman, Michael Korpman, Dennis Korpman 1998-06-02
5681305 Molten adhesive fibers and products made therefrom 1997-10-28
5587237 Pressure sensitive adhesive Vera Korpman, Michael Korpman, Dennis Korpman 1996-12-24
5462538 Molten adhesive fibers and products made therefrom 1995-10-31
5439963 Cured thermoplastic high tack pressure sensitive adhesive 1995-08-08
5274036 Pressure sensitive adhesive Vera Korpman, Michael Korpman, Dennis Korpman 1993-12-28
5169708 Heat shrinkable, elastic, glueable polyethylene and ethylene vinyl acetate film Everson Amaral 1992-12-08 $44,574,000
5156789 Method of preparing a heat shrinkable, elastic, glueable polyethylene and ethylene vinyl acetate film Everson Amaral 1992-10-20 $37,524,000
4941933 Method of making a body member conformable disposable articles 1990-07-17 $35,144,000
4886511 Corrugated disposable diaper 1989-12-12 $75,593,000
4813947 Closure system for resealably attaching a tape tab to a fabric surface 1989-03-21 $14,882,000
4759754 Sanitary napkin 1988-07-26 $17,804,000
4731066 Elastic disposable diaper 1988-03-15 $11,385,000
4662874 Body member conformable disposable articles 1987-05-05 $12,885,000
4554191 Ethylene-containing polymer foam/adhesive system 1985-11-19 $12,645,000
4540415 Disposable diaper with a repositionable tape tab fastener 1985-09-10 $8,236,000
4449977 Absorbent products, processes and compositions 1984-05-22 $4,642,000
4432848 Radiation cured, high temperature pressure-sensitive adhesive 1984-02-21
4431598 Process for extruding adhesive films and tapes 1984-02-14
4415388 Method of making absorbent bearing products 1983-11-15 $19,462,000
4413995 Absorbent panel suitable for use in absorbent products 1983-11-08 $4,832,000
4410571 Absorbent products, process and compositions for immobilization of particulate absorbents 1983-10-18 $46,583,000
4394930 Absorbent foam products 1983-07-26 $27,013,000