| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 208 | |
| #2 | Canada | 102 | |
| #3 | United Kingdom | 56 | |
| #4 | France | 18 | |
| #5 | Austria | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Germany | 1 | |
| #8 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Engines, pumps and turbines | |
| #6 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burgess Charles F | 32 |
| #2 | Schulte Walter B | 30 |
| #3 | Coleman Joseph J | 21 |
| #4 | Wilke Milton E | 17 |
| #5 | Blake Ivan C | 16 |
| #6 | Zook John S | 13 |
| #7 | Macfarland Allison M | 9 |
| #8 | Chipley Alfred S | 8 |
| #9 | Mullen John B | 8 |
| #10 | Louzos Demetrios V | 7 |
| Publication | Filing date | Title |
|---|---|---|
| US2829186A | Primary alkaline cell | |
| US2829189A | Alkaline dry cell | |
| US2816153A | Primary alkaline cell | |
| US2829187A | Deferred-action battery | |
| US2829188A | Deferred-action battery | |
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| US2826626A | Electric battery | |
| US2771380A | Method of plating copper particles with silver | |
| US2708684A | Primary cell | |
| US2864286A | Apparatus for making dry cells | |
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| US2705253A | Primary battery | |
| US2705252A | Dry cell battery | |
| US2699459A | Primary cell | |
| US2699460A | Primary cell | |
| US2699461A | Deferred action battery | |
| US2711437A | Deferred-action primary cell | |
| US2708685A | Primary cell |