John H. Flora
21Patents
9h-index
26Co-inventors
75Inventor score
Filing activity: May 6, 1974 → Dec 18, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4207520A | Multiple frequency digital eddy current inspection system | Physics | 86 | Expired |
| US5085082A | Apparatus and method of discriminating flaw depths in the inspection of tubular products | Physics | 80 | Expired |
| US5426388A | Remote tone burst electromagnetic acoustic transducer pulser | Electricity | 67 | Expired |
| US6920792B2 | Transducer guided wave electromagnetic acoustic | Physics | 59 | Expired |
| US5446382A | Eddy current probe having one yoke within another yoke for increased inspection depth, sensitivity and discrimination | Physics | 30 | Expired |
| US4710710A | Scanning apparatus and method for inspection of header tube holes | Physics | 22 | Expired |
| US5491409A | Multiple yoke eddy current technique for detection of surface defects on metal components covered with marine growth | Physics | 20 | Expired |
| US7165453B2 | Flexible electromagnetic acoustic transducer sensor | Physics | 11 | Expired |
| US5689070A | High temperature electromagnetic acoustic transducer (EMAT) probe and coil assemblies | Physics | 9 | Expired |
| US3940803A | Method and system for control of a powered prosthetic device | Human Necessities | 9 | Expired |
| US6125706A | High temperature electromagnetic acoustic transducer | Physics | 8 | Expired |
| US4640132A | Enhancement of linear scan ultrasonics | Physics | 8 | Expired |
| US5511424A | Remote preamplifier and impedance matching circuit for electromagnetic acoustic transducer | Performing Operations; Transporting | 8 | Expired |
| US8319494B2 | Pipeline inspection tool with double spiral EMAT sensor array | Physics | 7 | Active |
| US5434506A | Eddy current inspection with stationary magnetic fields and scanning sensor arrays | Physics | 7 | Expired |
| US4124792A | Eddy current probe subsystem | Performing Operations; Transporting | 6 | Expired |
| US4491784A | Piezoelectric moisture measuring device | Physics | 2 | Expired |
| US4914975A | Serpentine tube inspection positioning spine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4914973A | Serpentine tube inspection positioning spine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4896555A | Serpentine tube inspection positioning spine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4914974A | Serpentine tube inspection positioning spine | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.