John Raymond Krahn
23Patents
10h-index
33Co-inventors
75Inventor score
Filing activity: Mar 5, 1993 → Oct 21, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6262550A | Electrical motor monitoring system and method | Emerging Cross-Sectional Technologies | 152 | Expired |
| US6448758B1 | Method for determining wear and other characteristics of electrodes in high voltage equipment | Electricity | 111 | Expired |
| US6323659A | Material for improved sensitivity of stray field electrodes | Physics | 46 | Expired |
| US6582825B2 | Hydrophobicity imparting particulate | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6088658A | Statistical pattern analysis methods of partial discharge measurements in high voltage insulation | Physics | 23 | Expired |
| US6192317A | Statistical pattern analysis methods of partial discharge measurements in high voltage insulation | Physics | 23 | Expired |
| US6300767A | System and apparatus for predicting failure in insulated systems | Physics | 22 | Expired |
| US6114863A | Method for determining the presence of water in materials | Physics | 14 | Expired |
| US8980053B2 | Transformer paper and other non-conductive transformer components | Performing Operations; Transporting | 13 | Active |
| US6285538A | Partial discharge coupler | Physics | 12 | Expired |
| US6303224A | Method for attaching a fluoride-based polymer layer to a polyphenylene ether or polystyrene layer, and related articles | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5991137A | Partial discharge coupler | Physics | 5 | Expired |
| US6573727B2 | Method and apparatus for evaluation of insulation in variable speed motors | Physics | 4 | Expired |
| US5312151A | Boot protector | Performing Operations; Transporting | 3 | Expired |
| US8202606B2 | Insulation structure for resistor grids | Emerging Cross-Sectional Technologies | 2 | Active |
| US8409692B2 | Insulation structure for resistor grids | Emerging Cross-Sectional Technologies | 1 | Active |
| US6407903B1 | PDA coupler containing a flexible joint | Physics | 1 | Expired |
| US9070491B2 | Polymer nanocomposites for electronic applications | Chemistry; Metallurgy | 0 | Active |
| US9012060B2 | System and method for battery insulation | Emerging Cross-Sectional Technologies | 0 | Active |
| US10062481B2 | Electrical conductor insulation system and method of fabrication | Electricity | 0 | Active |
| US10283804B2 | Flange assembly for use with a solid oxide fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9824797B2 | Resistive grid elements having a thermosetting polymer | Emerging Cross-Sectional Technologies | 0 | Active |
| US9810730B2 | System and method for electrical short detection | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.