| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Agriculture | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Vehicle wheels | |
| #3 | Unspecified technologies | |
| #4 | Motor vehicles | |
| #5 | Milling | |
| #6 | Aeroplanes | |
| #7 | Hand carts | |
| #8 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Porteous James | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US1302214A | Aeroplane. | |
| CA180346A | Elbow valve | |
| US1248706A | Vineyard disk plow or cultivator. | |
| US1106842A | Traction-wheel. | |
| US1106841A | Traction-wheel. | |
| US1115019A | Traction-wheel. | |
| US995716A | Vineyard and orchard truck. | |
| US1029765A | Vineyard-plow. | |
| US979093A | Adjustable truck. | |
| US999864A | Reversible bearing for tree-plows. | |
| US982091A | Revolving harrow. | |
| US942215A | Brush-chopper. | |
| US770868A | Harrow-tooth fastening. | |
| GB190407639A | Improvements in Bread and Cake Toasting Appliances | |
| GB189318898A | Improvements in Chalk-line Reels or Holders. | |
| CA400060A | Container valve |