| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Cleaning | |
| #2 | Unspecified technologies | |
| #3 | Turning | |
| #4 | Installation of electric cables | |
| #5 | Sawing | |
| #6 | Unspecified technologies | |
| #7 | Grinding tools | |
| #8 | Wood saws | |
| #9 | Foundry moulding |
| # | Name | Total Patents |
|---|---|---|
| #1 | St Palley Zoltan O | 12 |
| #2 | Rivard Lionel I | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3118456A | Apparatus for cleaning pipe lines | |
| US2890506A | Cast insert for die | |
| US2845935A | Apparatus for cleaning pipe lines | |
| US2784723A | Apparatus for cleaning pipe lines | |
| US2771891A | Apparatus for cleaning pipe lines | |
| US2771892A | Apparatus for cleaning pipe lines | |
| US2778091A | Hole saw | |
| US2749680A | Abrading tool | |
| US2690756A | Apparatus for cleaning pipe lines | |
| US2687560A | Cable armor cutter | |
| US2674026A | Hole saw | |
| US2642651A | Cable armor cutter |