| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Safety devices | |
| #3 | Mining | |
| #4 | Earth drilling | |
| #5 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccarthy Timothy F | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2736420A | Automatic coal transfer conveyor | |
| US2775439A | Cutter head for driving crosscuts | |
| US2659498A | Automatic car loading station | |
| US2403817A | Scraper loader apparatus | |
| US2391584A | Draft operated scraper | |
| US2414412A | Scraper loader apparatus | |
| US2314009A | Loading apparatus | |
| US2314008A | Loading apparatus | |
| US2257181A | Combined cutting and loading machine | |
| US2211751A | Mining machine | |
| US2139129A | Apparatus for handling material in mines | |
| US2031054A | Sectional conveyer | |
| US2032428A | Shaker conveyer trough | |
| US2065819A | Loading apparatus |