RR

Ronald E. Rosensweig

EX ExxonMobil: 13 patents #877 of 10,161Top 9%
FE Ferrofluidics: 2 patents #15 of 52Top 30%
FE Ferrotec: 1 patents #10 of 26Top 40%
F( Ferrotec (Usa): 1 patents #9 of 21Top 45%
Overall (All Time): #278,766 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7729504 Ferrofluid centered voice coil speaker Shiro Tsuda 2010-06-01
6543782 Non-bursting ferrofluid seal Kuldip Raj, Thomas J. Black, Jr. 2003-04-08
6068785 Method for manufacturing oil-based ferrofluid Kuldip Raj, Lutful M. Aziz 2000-05-30
5851416 Stable polysiloxane ferrofluid compositions and method of making same Kuldip Raj, Lutful M. Aziz 1998-12-22
5445020 Tire inflation sensor 1995-08-29
5396817 Tire inflation and velocity sensor 1995-03-14
4687878 Separation of hydrocarbons using magnetizable adsorbents Dominicus J. M. van der Vleugel, Klaas Hoving, Theodorus M. Wortel, Lovat V. C. Rees 1987-08-18
4668379 Process for magnetically stabilizing a fluidized bed containing nonmagnetizable particles and a magnetizable fluid George Ciprios 1987-05-26
4617282 Magnetizable adsorbents Dominicus J. M. van der Vleugel, Klaas Hoving, Theodorus M. Wortel, Lovat V. C. Rees 1986-10-14
4596283 Process for magnetically stabilizing contactor columns containing immiscible fluids George Ciprios 1986-06-24
4579173 Magnetized drive fluids Markus Zahn 1986-04-01
4565793 Composite zeolitic magnetic material 1986-01-21
4541924 Composition and hydrotreating process for the operation of a magnetically stabilized fluidized bed 1985-09-17
RE31439 Process for operating a magnetically stabilized fluidized bed 1983-11-15
4394281 Composition for use in a magnetically fluidized bed 1983-07-19
RE31186 Hydrocarbon conversion process utilizing a magnetic field in a fluidized bed of catalytic particles 1983-03-22
4296080 Process for the removal of particulates entrained in a fluid using a magnetically stabilized fluidized bed 1981-10-20