| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes | |
| #3 | Punching metal | |
| #4 | Cranes | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Minor Burt S | 6 |
| #2 | Collett Charles H | 4 |
| #3 | Minor Burt Stanley | 2 |
| #4 | James Newton | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3371919A | Load absorbing snubbing device | |
| GB958729A | Pipe wiper | |
| GB961372A | Pipe wiper | |
| US3061862A | Pipe wiper and method of making the same | |
| US3055036A | Pipe wiper | |
| US3054646A | Split collar | |
| GB786114A | Improvements in or relating to method of making a split metal sleeve and the resulting product | |
| US2739018A | Split sleeve and method of making the same | |
| CA701366A | Pipe wiper | |
| CA564601A | Split sleeve and method of making the same | |
| CA704388A | Pipe wiper |