| 5462685 |
Ferrofluid-cooled electromagnetic device and improved cooling method |
Kuldip Raj |
1995-10-31 |
| 5461677 |
Loudspeaker |
Kuldip Raj, James Bonvouloir |
1995-10-24 |
| 5429000 |
Ferrofluid pressure sensor |
Kuldip Raj |
1995-07-04 |
| 5018751 |
Stacked pole-piece ferrofluid seal apparatus |
Kuldip Raj, Joseph Moses, James Bonvouloir, Frank Bloom |
1991-05-28 |
| 4927164 |
Ferrofluid seal with epoxy pole pieces |
Kuldip Raj, Joseph Moses, Frank Bloom |
1990-05-22 |
| 4898480 |
Compact ferrofluidic electrically conducting sealed bearing |
Kuldip Raj, Hanumaiah L. Gowda |
1990-02-06 |
| 4890850 |
Tapered ferrofluid seal |
Kuldip Raj, Frank Bloom |
1990-01-02 |
| 4865334 |
Long-life multi-stage ferrofluid seals incorporating a ferrofluid reservoir |
Kuldip Raj, James Bonvouloir, Frank Bloom |
1989-09-12 |
| 4830384 |
Compact long-life magnetic fluid seal |
Kuldip Raj |
1989-05-16 |
| 4824122 |
Compact magnetic fluid low pressure seal |
Kuldip Raj |
1989-04-25 |
| 4797013 |
Compact ferrofluidic electrically conducting sealed bearing |
Kuldip Raj, Hanumaiah L. Gowda |
1989-01-10 |
| 4772032 |
Compact magnetic fluid low pressure seal |
Kuldip Raj |
1988-09-20 |
| 4445696 |
Nonbursting magnetic liquid seals for high vacuum applications |
Kuldip Raj, Raymond Rodier |
1984-05-01 |
| 4407518 |
Nonbursting multiple-stage ferrofluid seal and system |
Kuldip Raj, James L. Kern |
1983-10-04 |
| 4252328 |
Self-activating ferrofluid seal and method |
Kuldip Raj, Raoul Casciari, Alvan F. Chorney |
1981-02-24 |
| 4252353 |
Self-activating ferrofluid seals |
Kuldip Raj, Raoul Casciari, Alvan F. Chorney |
1981-02-24 |
| 4200296 |
Ferrofluid centrifugal seal |
Philip Stahl, Walter R. Reed |
1980-04-29 |