WK

William A. Kirk

CT Crown Cork & Seal Technologies: 5 patents #21 of 178Top 15%
CT Crown Packaging Technology: 2 patents #66 of 192Top 35%
VD Van Dorn: 2 patents #7 of 19Top 40%
CC Crown, Cork & Seal Company: 1 patents #18 of 58Top 35%
📍 Wilmington, OH: #18 of 170 inventorsTop 15%
🗺 Ohio: #8,027 of 73,341 inventorsTop 15%
Overall (All Time): #517,056 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8454292 Method of forming a can end having a moveable portion Alejandro Saucedo, Henry S. Chorzempa, Danny L. Fundom 2013-06-04
7344041 Easy open can end with cut protection Paul R. Heinicke 2008-03-18
7225944 Spoon leveling protected can end Paul R. Heinicke 2007-06-05
6702538 Method and apparatus for forming a can end with minimal warpage Paul R. Heinicke 2004-03-09
6685417 Safety container end having improved opening characteristics Paul R. Heinicke 2004-02-03
6401956 Safety container end having improved opening characteristics Paul R. Heinicke 2002-06-11
6374657 Method of making bump-up can bottom Benjamin Derr 2002-04-23
5931331 Easy-open mechanism for can end Michael C. Calhoun, David M. Hoffman, Jeffrey A. McFarland 1999-08-03
4524879 Can end pour spout and pull tab construction Danny L. Fundom 1985-06-25
4386713 Full opening steel can end construction Phillip E. Baumeyer, Karl O. Frentzel, Gary L. Manack, Jr. 1983-06-07