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DURACELL INT
35 patents
Top patents by PatentIndex Score
USD263581SMar 30, 1982
Electric battery
DURACELL INT80 citations96
US4279972AJul 21, 1981
Non-aqueous electrolyte cell
DURACELL INT85 citations96
US4265984AMay 5, 1981
Battery housing
DURACELL INT101 citations96
US4264689AApr 28, 1981
Additive for electrochemical cell stability
DURACELL INT55 citations96
US4296461AOct 20, 1981
Battery package with DC to DC converter
DURACELL INT203 citations95
US4278744AJul 14, 1981
Expandable casing for electro-chemical cells
DURACELL INT53 citations94
US4401735AAug 30, 1983
Non-aqueous Li/MnO2 cell
DURACELL INT73 citations92
US4331743AMay 25, 1982
Method for increasing recycling life of non-aqueous cells
DURACELL INT34 citations92
US4330601AMay 18, 1982
Rechargeable nonaqueous silver alloy anode cell
DURACELL INT34 citations92
US4299890ANov 10, 1981
Solid state cell
DURACELL INT77 citations92
US4268894AMay 19, 1981
Portable waterproof fluorescent lantern
DURACELL INT136 citations92
US4258109AMar 24, 1981
Solid state cells
DURACELL INT36 citations92
US4238554ADec 9, 1980
Abuse resistant active metal anode/fluid cathode depolarized cells
DURACELL INT33 citations90
US4328288AMay 4, 1982
Method for improving stability of Li/MnO2 cells
DURACELL INT19 citations82
US4332870AJun 1, 1982
Cell having a gelled anode containing a polyhydric alcohol
DURACELL INT18 citations81
US4315062AFeb 9, 1982
Method for the manufacture of a polystyrene separator and cell
DURACELL INT33 citations81
US4288913ASep 15, 1981
Method of forming in situ gelled anode
DURACELL INT28 citations81
US4298506ANov 3, 1981
Method of treating silver oxide powder and the product formed therefrom
DURACELL INT18 citations79
US4319122AMar 9, 1982
Synchronous arrangement and method for heat treating workpieces
DURACELL INT22 citations77
US4326014AApr 20, 1982
High temperature organic electrolyte cells
DURACELL INT11 citations74
US4321314AMar 23, 1982
Non-aqueous cell safety
DURACELL INT8 citations74
US4316777AFeb 23, 1982
Rechargeable nonaqueous silver alloy anode cell
DURACELL INT12 citations74
US4264687AApr 28, 1981
Fluid depolarized cell
DURACELL INT8 citations74
US4263377AApr 21, 1981
Cathodes for primary solid state lithium cells
DURACELL INT11 citations73
US4325106AApr 13, 1982
One piece battery holder
DURACELL INT11 citations71
US4297249AOct 27, 1981
Method of treating silver oxide powder and the product formed therefrom
DURACELL INT13 citations71
US4298663ANov 3, 1981
Predischarged nonaqueous cell
DURACELL INT4 citations63
US4329404AMay 11, 1982
Rechargeable non-aqueous cells with complex electrolyte salts
DURACELL INT4 citations62
US4307157ADec 22, 1981
Treatment of titanium disulfide for battery applications
DURACELL INT3 citations62
USD263257SMar 2, 1982
Fluorescent lantern
DURACELL INT2 citations61
US4364800ADec 21, 1982
Situ metal plating of the cathode terminal surface of an electrochemical cell
DURACELL INT14 citations59
US4295705AOct 20, 1981
One piece connector
DURACELL INT5 citations59
US4292383ASep 29, 1981
Bilevel rechargeable cell
DURACELL INT7 citations58
US4366212ADec 28, 1982
Non-aqueous cell with fluid cathode depolarizer and corrodible cathode
DURACELL INT1 citations51
US4299435ANov 10, 1981
Fuse receptacle
DURACELL INT0 citations42