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

Richard W. Sicka — 7 Patents

BFBridgestone Firestone: 4 patents #43 of 276Top 20%
TRThe Firestone Tire & Rubber: 3 patents #57 of 233Top 25%
Brecksville, OH: #51 of 277 inventorsTop 20%
Ohio: #11,686 of 73,341 inventorsTop 20%
Overall (All Time): #767,569 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5108682 Coextrusion apparatus and method using an elastic die for varying the outer profile of a tubular extrudate Dale A. Tompkins 1992-04-28
5069850 Coextrusion apparatus and method using a rigid die for varying the outer profile of a tubular extrudate Dale A. Tompkins 1991-12-03
5062782 Coextrusion apparatus for varying the inner and/or outer profile of a tubular extrudate Dale A. Tompkins 1991-11-05
4987808 Tubular sleeve handling and cut-off system Dale A. Tompkins, Peter Kundig 1991-01-29
4657718 Coextrusion method Dale A. Tompkins 1987-04-14
4578024 Coextrusion apparatus Dale A. Tompkins 1986-03-25
4252378 Wheel laminate with syntactic foam core Reuben A. DeBolt, Ralph A. Maglio 1981-02-24