Vibration Patents (Class 73/570)
- Including ear or hearing testing (Class 73/585)
- Reverberation (Class 73/586)
- Acoustic emission (Class 73/587)
- Structural bond evaluation (Class 73/588)
- Acoustical impedance (Class 73/589)
- In detection of a liquid reaction, a chemical reaction, or a nuclear reaction (Class 73/590)
- Listening or sound tube (Class 73/591)
- Fluid, fluid leak, or pipe flaw detection (Class 73/592)
- Bearing, gear, or related moving mechanism (Class 73/593)
- Soil or building structure (Class 73/594)
- Frangible (Class 73/595)
- Beamed (Class 73/596)
- Acoustic parameter (Class 73/645)