| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Pistons and sealings | |
| #4 | Unspecified technologies | |
| #5 | Lubricating | |
| #6 | Animal catching | |
| #7 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Osmun Dean W | 20 |
| #2 | Osmun Fred N | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3077701A | Apparatus for applying chemicals | |
| US2923332A | Stump planing machine | |
| US2945720A | Grappling tool | |
| US2743130A | Grappling tool | |
| US2924433A | Safety joint | |
| US2799351A | Junk trap | |
| US2818232A | Jarring tools | |
| US2706616A | Conductor line jar | |
| US2659440A | Casing repair tool | |
| US2693858A | Pressure line feeder | |
| US2689763A | Grapple | |
| US2665773A | Line lubricator | |
| US2559315A | Packer assembly for overshots | |
| US2616731A | Packing unit | |
| US2659434A | Inside pipe cutter | |
| US2518430A | Grapple | |
| US2492813A | Overshot | |
| US2616504A | Sealing means | |
| US2491392A | Multiple seat releasing and circulating overshot | |
| US2616752A | Spiraled seat releasing and circulating overshot |