| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport | |
| #3 | Civil engineering | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Vehicles drawn by animals | |
| #3 | Doors and windows | |
| #4 | Street cleaning | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petersen Henry | 12 |
| #2 | Kromphardt Carl | 1 |
| #3 | Craft Henry | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1161964A | Cultivator. | |
| US1099204A | Draft-equalizer. | |
| US1111920A | Locking and releasing device for cultivators. | |
| US1099203A | Draft-equalizer. | |
| US1084291A | Cultivator. | |
| US1084166A | Cultivator. | |
| US1051253A | Cultivator. | |
| US1012221A | Cultivator. | |
| US1004191A | Cultivator-wheel. | |
| US993400A | Machine for collecting and melting snow. | |
| US969977A | Window-screen. | |
| CA36481A | Furnace |