1
Henry Hsu, Charles R Bisbee III, Michael Lars Palmer, Ronald J Lukasiewicz, Michael W Lindsay, Stephen W Prince: Magnetorheological fluid compositions and prosthetic knees utilizing same. Ossur Engineering, Knobbe Martens Olson & Bear, September 5, 2006: US07101487 (63 worldwide citation)

The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention com ...


2
Henry Hsu, Charles R Bisbee III, Michael Lars Palmer, Ronald J Lukasiewicz, Michael W Lindsay, Stephen W Prince: Magnetorheological fluid compositions and prosthetic knees utilizing same. Ossur HF, Knobbe Martens Olson & Bear, February 26, 2008: US07335233 (32 worldwide citation)

The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention com ...


3
William E Showalter, Elihu Goldish, Ronald J Lukasiewicz: Oil tracing method. Union Oil Company of California, Howard Lambert, G Wirzbicki, D Sandford, July 5, 1988: US04755469 (25 worldwide citation)

A method for tagging an oil so that subsequently it may be identified as to source by incorporating into the oil as a tracer material an oil-soluble or oil-dispersible Group VIB, Group VIIB or lanthanum series rare earth metal salt of a fatty acid. The so-tagged oil may be utilized in any desired ma ...


4
Ronald J Lukasiewicz, Darrel L Gallup, Brian J Kelly: Method for reducing the selenium concentration in an oil refinery effluent. Union Oil Company of California, Gregory F Wirzbicki, Shlomo R Frieman, February 11, 1997: US05601721 (11 worldwide citation)

Selenium exists in oil refinery stripped sour water as selenocyanate and can be effectively removed using an acrylic, strong base, anion exchange column or stannous chloride. The acrylic, strong base, anion exchange column can also be employed to remove arsenic, iron, and vanadium from an aqueous fl ...


5
Ronald J Lukasiewicz: Fuel composition. Union Oil Company of California, Gregory F Wirzbicki, Lannas S Henderson, Richard C Hartman, January 10, 1978: US04067699 (11 worldwide citation)

Gasoline compositions containing methylcyclopentadienylmanganesetricarbonyl (hereinafter MCMT) are stabilized against oxidation by the addition of 2-ethylhexanoic acid.


6
Henry Hsu, Charles R Bisbee, Michael Lars Palmer, Ronald J Lukasiewicz, Michael W Lindsay, Stephen W Prince: Magnetorheological fluid compositions and prosthetic knees utilizing same. Knobbe Martens Olson & Bear, November 4, 2004: US20040217324-A1

The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention com ...


7
Henry Hsu, Charles R Bisbee, Michael Lars Palmer, Ronald J Lukasiewicz, Michael W Lindsay, Stephen W Prince: Magnetorheological fluid compositions and prosthetic knees utilizing same. Knobbe Martens Olson & Bear, September 7, 2006: US20060197051-A1

The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention com ...


8
Henry Hsu, Charles R Bisbee, Michael Lars Palmer, Ronald J Lukasiewicz, Michael W Lindsay, Stephen W Prince: Magnetorheological fluid compositions and prosthetic knees utilizing same. Knobbe Martens Olson & Bear, August 10, 2006: US20060178753-A1

The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention com ...