| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Measurement | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Batteries | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Unspecified technologies | |
| #4 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ellis Grenville B | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US3184339A | Battery electrode | |
| US2853676A | Dry battery capacity predictor | |
| US2729694A | Battery separator | |
| US2625575A | Dry battery cell | |
| US2582973A | Sealing means for primary alkaline dry cells | |
| US2580415A | Primary cell structure | |
| US2575337A | Sealing device for dry cells | |
| US2705249A | Primary alkaline cell | |
| US2655551A | Magnesium-cuprous chloride reserve battery | |
| US2572017A | Dry battery cell | |
| US2601267A | Primary alkaline cell | |
| US2457810A | Sealing device for dry cells | |
| CA581390A | Electric dry battery capacity predictor |