RM

Ronald Moskowitz

FE Ferrofluidics: 17 patents #2 of 52Top 4%
Overall (All Time): #280,776 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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