RK

Roy Krohn

GC Graham Packaging Company: 13 patents #23 of 234Top 10%
SP Sonoco Products: 1 patents #75 of 151Top 50%
📍 York, PA: #64 of 933 inventorsTop 7%
🗺 Pennsylvania: #5,397 of 74,527 inventorsTop 8%
Overall (All Time): #354,788 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7485253 In-mold finished neck on a continuous extrusion blow molder David A. Kesselman, Bob Stoolmaker, John A. Garman 2009-02-03
7464826 Hot-fill container base structure Ed Roubal, David A. Kesselman, Larry M. Taylor 2008-12-16
7316796 Center cylinder ejection assist Gregory D. Taylor 2008-01-08
7037101 Center cylinder ejection assist Gregory D. Taylor 2006-05-02
7036692 Dispenser with an integrally molded neck finish 2006-05-02
7000793 Hot-fill container base structure Ed Roubal, David A. Kesselman, Larry M. Taylor 2006-02-21
6957953 Reservoir reducing screw tip Earle Ellis, David A. Kesselman 2005-10-25
6739858 Insulated apparatus for injecting and removing compressed air from a cooled mold cavity Gregory D. Taylor 2004-05-25
6709261 Multi-parison/dual cavity wheel blowmolds David W. Cargile 2004-03-23
6673301 Extrusion blow-molded squeezable tube-shaped container and method for making same David W. Cargile, Earle Ellis, David A. Kesselman, Edward Roubal, Rafael Berrittella +1 more 2004-01-06
6629834 Apparatus for making a plastic container and closure combination David W. Cargile, Earle Ellis, David A. Kesselman 2003-10-07
6555033 Method and apparatus for making a plastic container and closure combination David W. Cargile, Earle Ellis, David A. Kesselman 2003-04-29
6551092 Parison separation assembly Earle Ellis, David A. Kesselman, Bernd Klingenmaier, Jeff Enfield 2003-04-22
D298917 Bottle 1988-12-13