| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 92 | |
| #2 | Canada | 43 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Environmental technology | |
| #4 | Machines | |
| #5 | Surface technology and coating | |
| #6 | Packaging and shipping | |
| #7 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson William D | 40 |
| #2 | Hawksworth David W | 36 |
| #3 | Whyte Frederick M | 20 |
| #4 | Wilson Alfred R | 16 |
| #5 | Franck Edwin G | 9 |
| #6 | Herbert Samuel | 5 |
| #7 | Pape Charles F | 3 |
| #8 | White Frederick M | 3 |
| #9 | Otis Spencer | 2 |
| #10 | Hawkesworth David W | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2006760A | Car roof | |
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