Jerzy Janczak
23Patents
11h-index
22Co-inventors
75Inventor score
Filing activity: May 1, 1981 → Jul 27, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6175195A | Triac dimmable compact fluorescent lamp with dimming interface | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6154375A | Soft start scheme for resonant converters having variable frequency control | Emerging Cross-Sectional Technologies | 60 | Expired |
| US6018467A | Resonant mode power supply having an efficient low power stand-by mode | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5994848A | Triac dimmable, single stage compact flourescent lamp | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6182367A | Power-driven work tool | Human Necessities | 31 | Expired |
| US6043611A | Dimmable compact fluorescent lamp | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6011357A | Triac dimmable compact fluorescent lamp with low power factor | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4341017A | Tree-pruning and clearing apparatus | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6087782A | Resonant mode power supply having over-power and over-current protection | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6144169A | Triac dimmable electronic ballast with single stage feedback power factor inverter | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6232726A | Ballast scheme for operating multiple lamps | Electricity | 12 | Expired |
| US5323822A | Wood splitter | Performing Operations; Transporting | 6 | Expired |
| USD344528S | Electrical wood splitting machine | General | 5 | Expired |
| US5982159A | Dimmable, single stage fluorescent lamp | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4548557A | Hydraulic pump or motor with interchangeable gears | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6696800B2 | High frequency electronic ballast | Electricity | 4 | Expired |
| US10432021B2 | Emergency inverter and emergency lighting system | Electricity | 3 | Active |
| US5917717A | Ballast dimmer with passive power feedback control | Electricity | 2 | Expired |
| US6686703B2 | High frequency electronic ballast | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6100646A | Ballast feedback scheme | Emerging Cross-Sectional Technologies | 2 | Expired |
| USD349712S | Combustion engine driven wood splitting machine | General | 2 | Expired |
| US7256548B2 | Electric circuit for igniting a discharge lamp, and electric component module and discharge lamp incorporating such an electric circuit | Electricity | 0 | Expired |
| US9035571B2 | Electronic ballast with dimming circuit | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.