| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 3 | |
| #3 | Australia | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Budde Marcel | 12 |
| #2 | Parker Forrest | 4 |
| #3 | Farley Douglas Brian | 3 |
| #4 | Barannikow Ivan Andre | 1 |
| #5 | Farley Douglas | 1 |
| #6 | Endenburg Peter | 1 |
| #7 | Marcel Budde | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2018258731A1 | Sub-surface release plug system | |
| US2018112488A1 | Casing floatation system with latch-in-plugs | |
| US2018112487A1 | Top plug with transitionable seal | |
| AU2016268394A1 | Multi-function dart | |
| US2017089174A1 | Setting tool with pressure shock absorber | |
| US2015330181A1 | Surge immune stage system for wellbore tubular cementation |