| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Shaping of plastics | |
| #3 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greenlee Donald Roy | 8 |
| #2 | Greenlee Donald Jonathan | 5 |
| #3 | Oligschlaeger Brian David | 4 |
| #4 | Greenlee Donald R | 3 |
| #5 | Greenlee Donald J | 3 |
| #6 | Frazier Warren Lynn | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2020102804A1 | Drop Balls for Use with Settable Downhole Tools | |
| US2020392808A1 | Compact downhole tool | |
| US2020392807A1 | Slips with internal buttons | |
| US2019352999A1 | Filament-Reinforced Composite Material with Load-Aligned Filament Windings | |
| US10400535B1 | Retrievable downhole tool | |
| US2018274325A1 | Cup plug having a large flow-through inside diameter |