Siegfried Mayer
36Patents
7h-index
47Co-inventors
69Inventor score
Filing activity: Apr 9, 1975 → Apr 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3994093A | Window with sash capable of pivoting movement about two perpendicular axes | Fixed Constructions | 21 | Expired |
| US4354365A | Permutation lock | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7081596B2 | Arc-quenching device for circuit breakers having double-break contacts | Electricity | 12 | Expired |
| US4336006A | Gear positive displacement machine with gaps between bearing members and housing | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US8134297B2 | Ballast for a discharge lamp with adaptive preheating | Electricity | 9 | Active |
| US4320984A | Arrangement for connecting two structural parts | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3986800A | Gear type pump or motor with radial balancing | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4681514A | Radial piston pump having sealing disc | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7053561B2 | Circuit apparatus and method for operating a lamp | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4056337A | External gear type fluid displacing machine with bearing gap | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4309158A | Gear positive displacement machine with U-shaped supporting element for sealing member | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4029446A | Sealing arrangement for gear-type fluid displacing machines | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4443168A | Gear machine centering arrangement | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6833678B2 | Circuit arrangement for operating discharge lamps | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6969975B2 | Circuit arrangement for power factor correction | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4400146A | Fluid-operated gear machine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4691950A | Device for detachably securing pivotally connected members in a predetermined relative position | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8410721B2 | Electronic ballast and method for operating at least one discharge lamp | Electricity | 1 | Active |
| US9445466B2 | Lighting system with an interface having a power supply unit and at least one light source module | Emerging Cross-Sectional Technologies | 1 | Active |
| US7034465B2 | Device for operating discharge lamps by means of a transformer with four windings, and a corresponding method | Electricity | 1 | Expired |
| US7154233B2 | Converter circuit with coupled inductances having asymmetrical air gap arrangement | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7309963B2 | Smoothing circuit for improving EMC | Electricity | 1 | Active |
| US8093836B2 | Circuit arrangement and method for striking a discharge lamp | Emerging Cross-Sectional Technologies | 1 | Active |
| US10251227B2 | Clocked electronic energy converter | Emerging Cross-Sectional Technologies | 0 | Active |
| US11207837B2 | Method and control command generating unit for an automatic generation of control commands of an additive layer-wise building device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.