Inventor
YOPPOLO ROBERT A
US19 patents
⚠️ This page may combine multiple inventors who share the name “YOPPOLO ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GILLETTE CO
11 patentsUS7435395B2Oct 14, 2008
Alkaline cell with flat housing and nickel oxyhydroxide cathode
GILLETTE CO57 citations95
US7579105B2Aug 25, 2009
End cap assembly and vent for high power cells
GILLETTE CO26 citations89
US7491464B2Feb 17, 2009
Alkaline cell with flat housing
GILLETTE CO11 citations82
US6887614B2May 3, 2005
End cap assembly for an electrochemical cell
GILLETTE CO15 citations81
US6991872B2Jan 31, 2006
End cap seal assembly for an electrochemical cell
GILLETTE CO14 citations78
US7094495B2Aug 22, 2006
Alkaline cell with flat housing
GILLETTE CO4 citations72
US6986969B2Jan 17, 2006
Alkaline cell with flat housing and improved current collector
GILLETTE CO7 citations72
US6833215B2Dec 21, 2004
Alkaline cell with flat housing
GILLETTE CO8 citations72
US7294429B2Nov 13, 2007
Alkaline cell with flat housing
GILLETTE CO4 citations61
US7163766B2Jan 16, 2007
Alkaline cell with flat housing
GILLETTE CO3 citations61
US7094494B2Aug 22, 2006
Alkaline cell with flat housing
GILLETTE CO2 citations61
DURACELL INC
8 patentsUS6143439ANov 7, 2000
End cap assembly for an electrochemical cell
DURACELL INC30 citations92
US5080985AJan 14, 1992
High pressure seal for alkaline cells
DURACELL INC81 citations92
US5759713AJun 2, 1998
Upward deflecting support disk for electrochemical cell seal
DURACELL INC29 citations91
US5532081AJul 2, 1996
Upward deflecting support disk for electrochemical cell seal
DURACELL INC27 citations91
US5491038AFeb 13, 1996
Contact ring for on-cell battery tester
DURACELL INC31 citations91
US5150602ASep 29, 1992
Crimping method for electrochemical cells
DURACELL INC34 citations90
US5750283AMay 12, 1998
Seal for electrochemical cell
DURACELL INC29 citations88
US5962158AOct 5, 1999
End cap assembly for electrochemical cell
DURACELL INC11 citations73