| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 157 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Civil engineering | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Transport | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Unspecified technologies | |
| #3 | Cranes | |
| #4 | Hinges for doors or windows | |
| #5 | Indexing scheme relating to hinges | |
| #6 | Transport or storage devices | |
| #7 | Railway systems | |
| #8 | Hand carts | |
| #9 | Belts or cables for driving | |
| #10 | Swimming pools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferris Henry L | 121 |
| #2 | Ferris Howard J | 39 |
| #3 | Stevenson Charles M | 3 |
| #4 | Minshull Robert | 2 |
| #5 | Stevenson Barton D | 1 |
| #6 | Hunt Elzo B | 1 |
| #7 | Hunt Howard J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1759549A | Hay carrier | |
| US1774877A | Door construction | |
| US1726290A | Track for door hangers | |
| US1774876A | Watering device | |
| US1735536A | Water bowl | |
| US1636468A | Door-holding attachment | |
| US1614111A | Pullmotor | |
| US1612501A | Water bowl | |
| US1624485A | Pipe protector | |
| US1587223A | Soil pulverizer | |
| US1608143A | Friction clutch | |
| US1670765A | Hay carrier | |
| US1578415A | Coasting device | |
| US1524513A | Coaster wagon | |
| US1541490A | Pedal car | |
| US1499312A | Garage-door hanger | |
| US1501589A | Brake for coaster wagons | |
| US1492245A | Hub cap | |
| US1464982A | Track hanger | |
| US1516179A | Fencepost |