Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240541 | Method of fabricating a laminated strip of amorphous metal | Frank R. Zickar, Eugene E. Zook, Paul W. Martincic | 1993-08-31 |
| 5037706 | Laminated strips of amorphous metal | Frank R. Zickar, Eugene E. Zook, Paul W. Martincie | 1991-08-06 |
| 4809411 | Method for improving the magnetic properties of wound core fabricated from amorphous metal | Charles E. Burkhardt, Paul P. Corbett | 1989-03-07 |
| 4744838 | Method of continuously processing amorphous metal punchings | Charles E. Burkhardt, Paul W. Martincic | 1988-05-17 |
| 4705578 | Method of constructing a magnetic core | Charles E. Burkhardt, Harry Reid Sheppard | 1987-11-10 |
| 4596613 | Method for treating cast amorphous metal strip material | Charles E. Burkhardt | 1986-06-24 |
| 4506248 | Stacked amorphous metal core | — | 1985-03-19 |
| 4497449 | Method of and arrangement for assembling electrical coils around transformer cores | Charles E. Burkhardt | 1985-02-05 |
| 4445104 | Compact step-lap magnetic core | Charles E. Burkhardt | 1984-04-24 |
| 4364020 | Amorphous metal core laminations | Belvin B. Ellis | 1982-12-14 |
| 4355221 | Method of field annealing an amorphous metal core by means of induction heating | — | 1982-10-19 |
| 4205288 | Transformer with parallel magnetic circuits of unequal mean lengths and loss characteristics | Belvin B. Ellis, Charles E. Burkhardt | 1980-05-27 |
| 4204087 | Adhesive coated electrical conductors | Edmund E. Woods | 1980-05-20 |