| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 95 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Transport | |
| #5 | Civil engineering | |
| #6 | Machines | |
| #7 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Sawing | |
| #3 | Mining | |
| #4 | Electrical vehicle propulsion | |
| #5 | Gearing | |
| #6 | Unspecified technologies | |
| #7 | Cranes | |
| #8 | Belts or cables for driving | |
| #9 | Railway systems | |
| #10 | Separating solids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willson Freeman R Jr | 19 |
| #2 | Dierdorff Henry B | 9 |
| #3 | Sessions Frank L | 8 |
| #4 | Webster Alfred J | 6 |
| #5 | Palmros Alexander | 5 |
| #6 | Horst George C | 5 |
| #7 | Slocum John C | 5 |
| #8 | Steckel Archibald W F | 4 |
| #9 | Lynch George E | 4 |
| #10 | Merrill Edwin R | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US1113160A | Mining-machine. | |
| US888439A | Tension device for cable-car hauls. | |
| US869900A | Supporting-pulleys for belt conveyers. | |
| US840729A | Conveyer. | |
| US870003A | Cable attachment. | |
| US843676A | Conveyer. | |
| US844164A | Car-haul. | |
| US865591A | Conveyer. | |
| US813506A | Switch. | |
| US844291A | Car-haul. | |
| US811134A | Sprocket-wheel. | |
| US874894A | Drill. | |
| US830533A | Electric brake. | |
| US830457A | Electric brake. | |
| US785044A | Rail-fastening. | |
| US945000A | Mining-machine. | |
| US859588A | Elevator and conveyer. | |
| US851507A | Limit-gage. | |
| US813528A | Clam-shell bucket. | |
| US809227A | Conveyer-belt support. |