| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 7 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Audio-visual technology | |
| #5 | Transport | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Lifting and pushing | |
| #2 | Unspecified technologies | |
| #3 | Alarm systems | |
| #4 | Unspecified technologies | |
| #5 | Hydraulic engineering | |
| #6 | Guiding railway traffic | |
| #7 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Morrison John A | 21 |
| #2 | Beckner Noah J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1974687A | Double lift single screw jack | |
| US1862759A | Double lift single screw jack | |
| US1732276A | Alarm apparatus | |
| US1692345A | Lifting jack | |
| US1600058A | Lifting jack | |
| US1558114A | Telescoping handle for lifting jacks | |
| US1548373A | Lifting jack | |
| US1503596A | Hoisting mechanism | |
| US1469946A | Exit light | |
| US1428702A | Lifting jack | |
| US1476096A | Lifting jack | |
| US1370344A | Lifting-jack | |
| US1286060A | Switch-lock. | |
| CA147024A | Display rack | |
| US913227A | Tide-valve. | |
| CA230203A | Tail end signal light for trains | |
| CA214850A | Lifting jack | |
| CA241560A | Exit light | |
| CA339789A | Alarm for safes | |
| CA215815A | Lifting jack |