Charles J. Cheever

Person

Beaverton, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Groove forming processes for shaft outer diameter
- Patent number 6,108,909
- Issue date Aug 29, 2000
- SAE Magnetics (H.K.) Ltd.
- Charles J. Cheever
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Self-pressure-balanced hydrodynamic bearing spindle motor
- Patent number 5,847,479
- Issue date Dec 8, 1998
- SAE Magnetics (H.K.) Ltd.
- Jian M. Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Compact electric motor construction employing fluid bearings
- Patent number 5,770,906
- Issue date Jun 23, 1998
- SAE Magnetics (H.K.) Ltd.
- Mark Hazelton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spindle motors with hard coated hydrodynamic bearings
- Patent number 5,718,516
- Issue date Feb 17, 1998
- SAE Magnetics (H.K.) Ltd.
- Charles J. Cheever
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Conical bearing system for spindle motors
- Patent number 5,689,146
- Issue date Nov 18, 1997
- Synektron Corporation
- Charles J. Cheever
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid bearings for electronic spindle motors
- Patent number 5,536,088
- Issue date Jul 16, 1996
- Synektron Corporation
- Charles J. Cheever
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Charles J. Cheever

Person

Patents Grantslast 30 patents

Groove forming processes for shaft outer diameter

Self-pressure-balanced hydrodynamic bearing spindle motor

Compact electric motor construction employing fluid bearings

Spindle motors with hard coated hydrodynamic bearings

Conical bearing system for spindle motors

Fluid bearings for electronic spindle motors