| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Packaging and shipping | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Load transportation vehicles | |
| #3 | Unspecified technologies | |
| #4 | Preparing clay | |
| #5 | Unspecified technologies | |
| #6 | Garbage disposal | |
| #7 | Cranes | |
| #8 | Dredging | |
| #9 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harbers Henry C | 9 |
| #2 | Merchant Donald R | 3 |
| #3 | Prichard Evan S | 3 |
| #4 | Sharpe Edward D | 2 |
| #5 | Cook Howard F | 1 |
| #6 | Hamlet Buck C | 1 |
| #7 | Ballard Louis M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2824655A | Dump body and front end loader actuating mechanism for dump trucks | |
| US2858143A | Fifth-wheel construction | |
| US2868583A | Dump truck | |
| US2821433A | Hopper dumping closure | |
| US2815980A | Dump truck | |
| US2794673A | Dump truck | |
| US2855110A | Mobile crane and carrier assembly | |
| US2777529A | Weight distribution and traction control means for three-axle vehicles | |
| US2781102A | Tilting hood and cab for motor vehicles | |
| US2729435A | Transit concrete mixer | |
| US2781186A | Drum control means for transit concrete mixers | |
| US2713955A | Hopper dumping sectional closure | |
| US2553959A | Fifth wheel construction |