Philip Heelan
12Patents
3h-index
13Co-inventors
57Inventor score
Filing activity: Feb 13, 1998 → Oct 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7411399B2 | Electromagnetic survey system with multiple sources | Physics | 17 | Active |
| US7633296B2 | Receivers and methods for electromagnetic measurements | Physics | 12 | Active |
| US7642784B2 | Electromagnetic survey system with multiple sources | Physics | 10 | Active |
| US6094500A | Apparatus for authenticating sheets | Physics | 3 | Expired |
| US6032779A | Control of magnetic printed sheets | Physics | 3 | Expired |
| US9941029B2 | Buoyant marine electromagnetic cable assembly | Electricity | 2 | Active |
| US7826972B2 | Methods of electromagnetic logging using a current focusing receiver | Physics | 1 | Active |
| US10461523B2 | Electromagnetic streamer safety | Electricity | 0 | Active |
| US8228208B2 | Communication system for survey source and receiver | Physics | 0 | Active |
| US11624850B2 | Marine survey node and soil sample module | Physics | 0 | Active |
| US10795043B2 | Towable electromagnetic source equipment | Physics | 0 | Active |
| US9632197B2 | Silicon controlled rectifier control of sub-sea towed electromagnetic source | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.