| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 104 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Mechanical elements | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Dredging | |
| #3 | Transport or storage devices | |
| #4 | Unspecified technologies | |
| #5 | Motor vehicles | |
| #6 | Servomotors | |
| #7 | Starting of combustion engines | |
| #8 | Containers for goods storage | |
| #9 | Unspecified technologies | |
| #10 | Vehicle servicing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arndt Franklin E | 64 |
| #2 | Keeler Raymond W | 15 |
| #3 | Wright Fred J | 7 |
| #4 | Macy Ishmael W | 4 |
| #5 | Boyd David C | 2 |
| #6 | Gorsuch Howard F | 2 |
| #7 | Patterson Cecil E | 2 |
| #8 | Fink Sr Robert C | 1 |
| #9 | Rehm Edwin R | 1 |
| #10 | Fink Robert C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2960829A | Hydraulic control for motor graders | |
| US2752832A | Road roller with retractable transporting wheels | |
| US2682153A | Trench roller | |
| US2621479A | Hydraulic system, including a cooling circuit for the pumps thereof | |
| US2622350A | Road edger for a moldboard type road grader | |
| US2639652A | Motorized trench roller | |
| US2495493A | Towing hitch for portable rollers | |
| US2607558A | Hydraulic valve and post | |
| US2486087A | Hydraulic valve | |
| US2464110A | Hydraulic system for vehicle steering and other apparatus | |
| US2494324A | Road grader | |
| US2376979A | Power earth mover | |
| US2340100A | Road grader | |
| US2323110A | Road grader | |
| US2323109A | Road grader | |
| US2323108A | Road grader | |
| US2339609A | Material spreader | |
| US2339667A | Material spreader | |
| US2309087A | Material spreader | |
| US2339236A | Material spreader |