Patrick M. Ljungdahl
7Patents
3h-index
11Co-inventors
50Inventor score
Filing activity: Oct 19, 2000 → Nov 21, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6494268B1 | Transport and support frame for a bop assembly | Fixed Constructions | 12 | Expired |
| US8463664B2 | Serialization and database methods for tubulars and oilfield equipment | Physics | 6 | Active |
| US9824347B2 | Serialization and database methods for tubulars and oilfield equipment | Physics | 3 | Active |
| US8812238B2 | Systems and methods for analyzing flowback compositions in real time | Physics | 3 | Active |
| US10825008B2 | Serialization and database methods for tubulars and oilfield equipment | Physics | 0 | Active |
| US9671262B2 | Systems and methods for analyzing flowback compositions in real time | Physics | 0 | Active |
| US8997879B2 | Diverter spool and methods of using the same | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.