Duracell Inc.
🏢 View company profile →220Patents
0Active
220Granted
41Portfolio score
Filing activity: Dec 27, 1976 → May 22, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5606242A | Smart battery algorithm for reporting battery parameters to an external device | Emerging Cross-Sectional Technologies | 500 | Expired |
| US4723656A | Battery package with battery condition indicator means | Emerging Cross-Sectional Technologies | 191 | Expired |
| US5633573A | Battery pack having a processor controlled battery operating system | Emerging Cross-Sectional Technologies | 169 | Expired |
| US5681666A | Light transparent multilayer moisture barrier for electrochemical celltester and cell employing same | Electricity | 139 | Expired |
| US5607789A | Light transparent multilayer moisture barrier for electrochemical cell tester and cell employing same | Electricity | 124 | Expired |
| US5652502A | Battery pack having a processor controlled battery operating system | Emerging Cross-Sectional Technologies | 116 | Expired |
| US5212021A | Energy pack and individual battery cell cartridge | Emerging Cross-Sectional Technologies | 103 | Expired |
| US5691621A | Battery pack having a processor controlled battery operating system | Emerging Cross-Sectional Technologies | 92 | Expired |
| US5339024A | Battery with electrochemical tester | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5250905A | Battery with electrochemical tester | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5355089A | Moisture barrier for battery with electrochemical tester | Emerging Cross-Sectional Technologies | 79 | Expired |
| US4958731A | Battery package | Performing Operations; Transporting | 74 | Expired |
| US6284410A | Zinc electrode particle form | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5188231A | Battery package with removable voltage indicator means | Performing Operations; Transporting | 66 | Expired |
| US6207322A | Alkaline cell with semisolid cathode | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5396177A | Battery with electrochemical tester | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5277890A | Process for producing manganese dioxide | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5283139A | Alkaline cell | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5691073A | Current interrupter for electrochemical cells | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5710501A | Battery pack having a processor controlled battery operating system | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5348726A | Process for producing manganese dioxide | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5401590A | Additives for electrochemical cells having zinc anodes | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5391365A | Process for producing manganese dioxide | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5958088A | Prismatic cell construction | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4777100A | Cell corrosion reduction | Emerging Cross-Sectional Technologies | 55 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.