| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Foods and drinks | |
| #4 | Environmental technology | |
| #5 | Mechanical elements | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Springs | |
| #4 | Vehicle seats | |
| #5 | Batteries | |
| #6 | Load transportation vehicles | |
| #7 | Office furniture | |
| #8 | Food preservation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Land Jr Charles H | 5 |
| #2 | Land Charles H | 2 |
| #3 | Mitchell Richard S M | 2 |
| #4 | Nolan James M | 2 |
| #5 | Sharma Jagan N | 1 |
| #6 | Whitcomb James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2453040A | Art of treating leafy vegetables | |
| US2089493A | Landing gear for semitrailers | |
| US1797875A | Shock absorber | |
| US1753011A | Tractor trailer | |
| US1568168A | Trailer | |
| US1409733A | Trailer | |
| US1408102A | Trailer | |
| US1408101A | Tractor and trailer coupling mechanism | |
| US1400752A | Trailer | |
| US918623A | Electrolyte for primary batteries. | |
| US873453A | Folding-seat frame for automobiles. | |
| US855125A | Folding seat for automobiles. | |
| CA311376A | Shock absorber |