| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Belts or cables for driving | |
| #3 | Unspecified technologies | |
| #4 | Cranes | |
| #5 | Winches | |
| #6 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hubbell Clifton H | 4 |
| #2 | Hubbell Clifton Howells | 2 |
| #3 | Dierks Louis E | 2 |
| #4 | Roe Harry A | 2 |
| #5 | Hubbell C | 1 |
| #6 | Smith Garrett T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU8379375A | Scraper | |
| CA1000762A | Scraper | |
| US3882566A | Duct cleaning device | |
| AU6823474A | Cable anchor grip | |
| CA981880A | Wire rope socket fitting | |
| US3915238A | Scraper | |
| US3816012A | Wire rope socket fitting | |
| US2063698A | Scraper bucket apparatus | |
| US1917955A | Excavator apparatus | |
| US1850896A | Cable securing means | |
| US1589907A | Material-moving apparatus | |
| US1574799A | Roller-bearing structure |