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

Keith Johnstone — 2 Patents

CRCryovac: 1 patents #262 of 481Top 55%
EAElopak Systems Ag: 1 patents #30 of 89Top 35%
Chevron: 1 patents #2,625 of 4,788Top 55%
Cambridge, GB: #1,975 of 4,587 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Keith Johnstone has been granted 2 US patents while listed as an inventor at Cryovac. The first was granted in 2004 and the most recent in December 2008. Keith Johnstone ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Keith Johnstone in Cambridge, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7468144 UV- or heat triggered low oxygen packaging system employing an oxidizable polymer resin and a peroxide M. Stephen Galland, Gary D. Jerdee, Gunnar Rysstad 2008-12-23
6818150 UV- or heat-triggered low oxygen packaging system employing an oxidizable polymer resin and a peroxide M. Stephen Galland, Gary D. Jerdee, Gunnar Rysstad 2004-11-16