Issued Patents All Time
Showing 76–100 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726905 | Adaptive, on line, statistical method and apparatus for motor bearing fault detection by passive motor current monitoring | Birsen Yazici | 1998-03-10 |
| 5705869 | Magnetic axial thrust bearings fabricated on individual stator segments | Mark A. Preston | 1998-01-06 |
| 5680692 | Fabrication of induction motors | Clive W. Reed | 1997-10-28 |
| 5659218 | Motor stator including bobbin wound coils and method of fabrication | Mark A. Preston, Chester Stanley Jezierski, Jr., Donald W. Jones | 1997-08-19 |
| 5550880 | Motor current signal processor using analog substraction of an estimated largest sine wave component | Aiman A. Abdel-Malek, John E. Hershey, Rudolph Alfred Albert Koegl | 1996-08-27 |
| 5548172 | Permanent magnet line start motor having magnets outside the starting cage | Mark A. Preston, Donald W. Jones | 1996-08-20 |
| 5517169 | Superconducting magnet with magnetic shielding | Evangelos Trifon Laskaris, Bizhan Dorri, Madabushi V. Chari, Michele D. Ogle | 1996-05-14 |
| 5514978 | Stator turn fault detector for AC motor | Rudolph Alfred Albert Koegl, William James Premerlani | 1996-05-07 |
| 5477163 | Turn fault detection | — | 1995-12-19 |
| 5465019 | High-efficiency, low-noise electronically commutated motor having improved starting capability | — | 1995-11-07 |
| 5345130 | Modable permanent magnet rotor for optimized field shaping | Eike Richter | 1994-09-06 |
| 5345158 | Electrical distribution equipment with torque estimating capability | Kamakshi Srinivasan, Rik Wivina Anna Adelson DeDoncker, David E. Ritscher | 1994-09-06 |
| 5300843 | Fault tolerant active magnetic bearing | James P. Lyons, Mark A. Preston | 1994-04-05 |
| 5159220 | Realizations of folded magnet AC motors | — | 1992-10-27 |
| 5117553 | Method of assembling rotor magnets | — | 1992-06-02 |
| 5053666 | Construction of reluctance motors | Eike Richter | 1991-10-01 |
| 5049815 | Spectral analysis of induction motor current to detect rotor faults with reduced false alarms | — | 1991-09-17 |
| 5030917 | Transient rotor fault detection in induction and synchronous motors | — | 1991-07-09 |
| 4994698 | Vibratory linear motor system | Donald W. Jones, Russell E. Tompkins, Roger W. Brockett | 1991-02-19 |
| 4927329 | Aircraft engine unducted fan blade pitch control system | Donald W. Jones | 1990-05-22 |
| 4918831 | Method of fabricating composite rotor laminations for use in reluctance, homopolar and permanent magnet machines | — | 1990-04-24 |
| 4916346 | Composite rotor lamination for use in reluctance hompolar, and permanent magnet machines | — | 1990-04-10 |
| 4896089 | Fault management system for a switched reluctance motor | Stephen R. MacMinn, Charles Michael Stephens | 1990-01-23 |
| 4859974 | Electromagnetic motor/actuator | Donald W. Jones | 1989-08-22 |
| 4859885 | Winding for linear pump | Glen V. Brynsvold, Thomas Merlin Jahns | 1989-08-22 |