Bernd Rudolph
53Patents
9h-index
40Co-inventors
78Inventor score
Filing activity: Mar 9, 1988 → Dec 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5825136A | Circuit arrangement for operating electric lamps, and an operating method for electronic lamps | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4884008A | Auto-adjustable operating room light | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5831396A | Circuit arrangement for operating electric lamp | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5497004A | Ultraviolet sensor | Chemistry; Metallurgy | 26 | Expired |
| US8369109B2 | Self-oscillating bipolar transistor DC/AC/DC converter using a pulse forming timer | Electricity | 26 | Active |
| US5583399A | Ballast for one or more fluorescent lamps including threshold sensitive filament voltage preheating circuitry | Electricity | 20 | Expired |
| US6198231A | Circuit configuration for operating at least one discharge lamp | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5589740A | Semiconductor-controlled operating circuit for one or more low-pressure discharge lamps, typically fluorescent lamps | Electricity | 14 | Expired |
| US7242154B2 | Circuit arrangement and method for operation of lamps | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8134297B2 | Ballast for a discharge lamp with adaptive preheating | Electricity | 9 | Active |
| US5783911A | Circuit arrangement for operating electric lamps, and operating method for electric lamps | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7544948B2 | Control of the UV radiation sources for a weathering apparatus on the basis of the averaged radiation intensity | Electricity | 8 | Expired |
| US5898816A | Method for treating material samples and apparatus for testing exposure to light and weathering | Physics | 8 | Expired |
| US7348581B2 | UV light-emitting diodes as a radiation source in a device for the artificial weathering of samples | Physics | 6 | Expired |
| US6933681B2 | Circuit arrangement and method for starting and operating discharge lamps | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6259213A | Circuit arrangement for operating at least one low-pressure discharge lamp | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5488267A | Xenon lamp system for materials testing apparatus | Electricity | 4 | Expired |
| US8653484B2 | Detection of emission radiation of UV light emitting diode by structurally identical UV light receiving diode | Electricity | 4 | Active |
| US9528927B2 | Weathering testing having a plurality of radiation sources which are independently operable of one another | Physics | 3 | Active |
| US6677716B2 | Operating device for gas discharge lamp | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6806657B2 | Device for operating discharge lamps | Electricity | 3 | Expired |
| US8212495B2 | Method for controlling a half-bridge circuit and corresponding half-bridge circuit | Electricity | 3 | Active |
| US7190127B2 | Shutdown circuit | Electricity | 2 | Active |
| US7193375B2 | Electronic ballast having a pump circuit for a discharge lamp having preheatable electrodes | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6525489B2 | Circuit arrangement for operating electric lamps | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.