Robert A. Yoppolo
23Patents
11h-index
38Co-inventors
71Inventor score
Filing activity: Dec 7, 1989 → Jun 4, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5080985A | High pressure seal for alkaline cells | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7435395B2 | Alkaline cell with flat housing and nickel oxyhydroxide cathode | Emerging Cross-Sectional Technologies | 36 | Active |
| US6641947B1 | Air manager system for metal air battery | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5491038A | Contact ring for on-cell battery tester | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6143439A | End cap assembly for an electrochemical cell | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7579105B2 | End cap assembly and vent for high power cells | Electricity | 20 | Active |
| US5150602A | Crimping method for electrochemical cells | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5750283A | Seal for electrochemical cell | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5532081A | Upward deflecting support disk for electrochemical cell seal | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5759713A | Upward deflecting support disk for electrochemical cell seal | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6232749A | Battery pack | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7807297B2 | Alkaline batteries | Emerging Cross-Sectional Technologies | 10 | Active |
| US7491464B2 | Alkaline cell with flat housing | Emerging Cross-Sectional Technologies | 9 | Active |
| US6147472A | Non-rechargeable battery pack | Electricity | 7 | Expired |
| US6991872B2 | End cap seal assembly for an electrochemical cell | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6986969B2 | Alkaline cell with flat housing and improved current collector | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5962158A | End cap assembly for electrochemical cell | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6887614B2 | End cap assembly for an electrochemical cell | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6833215B2 | Alkaline cell with flat housing | Electricity | 3 | Expired |
| US7094495B2 | Alkaline cell with flat housing | Electricity | 3 | Expired |
| US7294429B2 | Alkaline cell with flat housing | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7094494B2 | Alkaline cell with flat housing | Electricity | 1 | Expired |
| US7163766B2 | Alkaline cell with flat housing | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.