David A. Badger
35Patents
8h-index
13Co-inventors
72Inventor score
Filing activity: Apr 24, 1995 → Jun 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6657320B1 | Integrated flywheel uninterruptible power supply system | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6844706B2 | Multiple path variable speed constant frequency device having automatic power path selection capability | Emerging Cross-Sectional Technologies | 42 | Expired |
| USD883952S1 | Audio speaker | General | 41 | Active |
| US5520120A | Pallet deck with strain reliefs | Performing Operations; Transporting | 30 | Expired |
| US7400052B1 | Transient energy systems and methods for use of the same | Emerging Cross-Sectional Technologies | 26 | Active |
| US7030593B2 | Multiple path variable speed constant frequency device having automatic power path selection capability | Emerging Cross-Sectional Technologies | 19 | Expired |
| US9826313B2 | Compact electroacoustic transducer and loudspeaker system and method of use thereof | Electricity | 12 | Active |
| US7425807B1 | Transient energy systems and methods for use of the same | Emerging Cross-Sectional Technologies | 12 | Active |
| US9143868B2 | Electrically conductive membrane pump/transducer and methods to make and use same | Electricity | 6 | Active |
| US9924275B2 | Loudspeaker having electrically conductive membrane transducers | Electricity | 5 | Active |
| US9515580B2 | Membrane-based nano-electromechanical systems device and methods to make and use same | Emerging Cross-Sectional Technologies | 5 | Active |
| US9661422B2 | Electroacousitic loudspeaker system for use in a partial enclosure | Electricity | 4 | Active |
| US10245173B2 | Method and system for relieving and preventing excessive back and joint discomfort, poor posture, and lack of energy | Human Necessities | 3 | Active |
| US11575991B2 | Stereophonic loudspeaker system and method of use thereof | Electricity | 1 | Active |
| US12003943B2 | Electroacoustic drivers and loudspeakers containing same | Electricity | 1 | Active |
| US9353740B2 | Graphene-drum pump and engine systems | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9313580B2 | Audio speaking having an electrostatic membrane pump and methods to use same | Electricity | 1 | Active |
| US9820057B2 | Electroacousitic loudspeaker system for use in a partial enclosure | Electricity | 1 | Active |
| US12003940B2 | Electroacoustic drivers and loudspeakers containing same | Electricity | 0 | Active |
| US12003941B2 | Electroacoustic drivers and loudspeakers containing same | Electricity | 0 | Active |
| US10791401B2 | Compact electroacoustic transducer and loudspeaker system and method of use thereof | Electricity | 0 | Active |
| US12256207B2 | Electroacoustic drivers and loudspeakers containing same | Electricity | 0 | Active |
| US9831803B2 | Membrane-based nano-electromechanical systems device and methods to make and use same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11425506B2 | Compact electroacoustic transducer and loudspeaker system and method of use thereof | Electricity | 0 | Active |
| US12003942B2 | Electroacoustic drivers and loudspeakers containing same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.