| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Street cleaning | |
| #2 | Construction of roads | |
| #3 | Separating solids | |
| #4 | Unspecified technologies | |
| #5 | Preparing clay | |
| #6 | Dredging | |
| #7 | Vehicle transmission mounting | |
| #8 | Milling | |
| #9 | Separation | |
| #10 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Abbe George C | 9 |
| #2 | Berry Earl E | 5 |
| #3 | Pellette Robert S | 3 |
| #4 | Schmidt Jr Carl G A | 3 |
| #5 | Philips Earle S | 2 |
| #6 | Williamson Roy C | 2 |
| #7 | Bising James M | 2 |
| #8 | Greenwood Raymond C | 1 |
| #9 | Hale William E | 1 |
| #10 | Brown Edwin C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1822507A | Vibrating screen | |
| US1774159A | Rock crusher | |
| US1734981A | Means for transporting concrete | |
| US1742340A | Relief by-pass, and check valve | |
| US1828343A | Means for transporting concrete | |
| US1825220A | Motor grader tractor steering device | |
| US1734980A | Means for transporting concrete | |
| US1824419A | Sand spreading mechanism | |
| US1709244A | Chain-connecting device | |
| US1721894A | Snow fence | |
| US1703088A | Snowplow | |
| US1708042A | Snowplow | |
| US1786974A | Snowplow | |
| US1694174A | Snowplow | |
| US1728032A | Snowplow | |
| US1711488A | Snowplow | |
| US1653118A | Snowplow | |
| US1704923A | Tractor snowplow | |
| US1690391A | Power lift for road machines | |
| US1704922A | Road machine |