| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Street cleaning | |
| #5 | Construction of roads | |
| #6 | Mixing | |
| #7 | Preparing clay | |
| #8 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swanson Hilbert E | 3 |
| #2 | Bentson Hans J | 3 |
| #3 | French James C | 2 |
| #4 | Taylor Rosselle George | 1 |
| #5 | Truls Loken | 1 |
| #6 | Hunt Knauer Carroll | 1 |
| #7 | Seyferth Otto A | 1 |
| #8 | Linderman Bert A | 1 |
| #9 | Rosselle George T | 1 |
| #10 | Henry Lamont | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1959768A | Trencher | |
| US1956734A | Bucket cleaner | |
| US1858727A | Trench widener | |
| US1848397A | Clutch for backfillers | |
| US1729744A | Trenching machine | |
| US1649739A | Power shovel | |
| US1648783A | Excavator-bucket extension | |
| US1560136A | Excavator bucket | |
| US1633115A | Trenching machine | |
| US1777439A | Trenching machine | |
| US1561472A | Snow compressor | |
| US1506117A | Elongated cube mixee | |
| US1527389A | Dump bucket for pavers | |
| US1443788A | Dumping device for concrete mixers |