Michael J. Levchak
6Patents
2h-index
7Co-inventors
44Inventor score
Filing activity: May 26, 1993 → Oct 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5321719A | Thermogravimetric apparatus | Physics | 17 | Expired |
| US10027013B2 | Collar-mountable bobbin antenna having coil and ferrite slots | Electricity | 4 | Active |
| US10167715B2 | Buildup and encapsulation of antenna section of downhole tool | Fixed Constructions | 2 | Active |
| US10908313B2 | Antenna designs for wellbore logging tools | Physics | 0 | Active |
| US11143018B2 | Environmental compensation system for downhole oilwell tools | Fixed Constructions | 0 | Active |
| US11111775B2 | Wear sleeve | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.