| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Transport | |
| #6 | Furniture and games | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Lifting and pushing | |
| #2 | Unspecified technologies | |
| #3 | Belts or cables for driving | |
| #4 | Chairs and beds | |
| #5 | Hand carts | |
| #6 | Wing fittings | |
| #7 | Tools for connecting or disengaging | |
| #8 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Griffith William H | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1531283A | Power tool | |
| US1436588A | Lifting jack | |
| US1263058A | Chuck. | |
| CA164200A | Pipe coupling | |
| CA148749A | Lifting jack | |
| US1052913A | Lifting-jack. | |
| US880138A | Wire fencing. | |
| US812128A | Lifting-jack. | |
| US780653A | Piano-truck. | |
| US768449A | Gate. | |
| US643051A | Chain-link. | |
| CA255878A | Power tool | |
| CA209862A | Lifting jack |