Electric Or Magnetic Motor Patents (Class 417/410.1)
- Vacuum cleaner (Class 417/423.2)
- Submersible type (Class 417/423.3)
- Turbomolecular pump (Class 417/423.4)
- Plural units (Class 417/423.5)
- Having nonflexible means to transmit power between motor shaft and pump shaft (Class 417/423.6)
- With specific motor details (Class 417/423.7)
- Having additional means to remove heat from pump or motor (Class 417/423.8)
- Having means to prevent debris from entering pump (Class 417/423.9)
- Having means to mount pump and motor in working position (Class 417/423.15)
- Having means to prevent fluid leaking between pump and motor (Class 417/423.11)
- Having bearing (Class 417/423.12)
- With specific housing details (Class 417/423.14)
- Supported for rotation on vertical axis (Class 417/424.1)