Edward Herbert
66Patents
24h-index
18Co-inventors
85Inventor score
Filing activity: Apr 15, 1976 → Feb 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5144222A | Apparatus for controlling the input impedance of a power converter | Emerging Cross-Sectional Technologies | 245 | Expired |
| US6348848B1 | Transformer having fractional turn windings | Electricity | 134 | Expired |
| US5132606A | Method and apparatus for controlling the input impedance of a power converter | Emerging Cross-Sectional Technologies | 118 | Expired |
| US6578253B1 | Transformer and inductor modules having directly bonded terminals and heat-sink fins | Emerging Cross-Sectional Technologies | 117 | Expired |
| US7564706B1 | Power factor corrected single-phase AC-DC power converter using natural modulation | Emerging Cross-Sectional Technologies | 76 | Active |
| US6121761A | Fast transition power supply | Electricity | 75 | Expired |
| US4978906A | Picture frame matrix transformer | Electricity | 73 | Expired |
| US4845606A | High frequency matrix transformer | Electricity | 73 | Expired |
| US6016095A | Snubber for electric circuits | Electricity | 73 | Expired |
| US4942353A | High frequency matrix transformer power converter module | Electricity | 68 | Expired |
| US6115267A | AC-DC converter with no input rectifiers and power factor correction | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6137392A | Transformer for switched mode power supplies and similar applications | Electricity | 66 | Expired |
| US7139180B1 | Three phase buck power converters having input current control | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4665357A | Flat matrix transformer | Electricity | 47 | Expired |
| US4916576A | Matrix capacitor | Electricity | 45 | Expired |
| US5297617A | Fan assembly with heat sink | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US6897641B1 | Buck (or boost) converter with very fast output current transitions and low ripple voltage | Electricity | 36 | Expired |
| US5445215A | Fan assembly with heat sink | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US9665906B2 | Computer implemented methods and systems for generating virtual body models for garment fit visualisation | Physics | 31 | Active |
| US5479146A | Pot core matrix transformer having improved heat rejection | Electricity | 28 | Expired |
| US5999078A | Transformer and rectifier module with half-turn secondary windings | Electricity | 25 | Expired |
| US7071807B1 | Laminated windings for matrix transformers and terminations therefor | Electricity | 24 | Expired |
| US6992520B1 | Gate drive method and apparatus for reducing losses in the switching of MOSFETs | Electricity | 24 | Expired |
| US6963497B1 | Power converter with an inductor input and switched capacitor outputs | Electricity | 24 | Expired |
| US6549411B1 | Flexible heat sinks and method of attaching flexible heat sinks | Electricity | 24 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.