11
Delwin E Cobb, Chien Cheng J Shih, Charles F Griswold: Mixing and cooling apparatus for hot, particulate matter. Union Oil Company of California, Howard R Lambert, G Wirzbicki, D Sandford, May 24, 1988: US04746222 (3 worldwide citation)

Apparatus for the mixing and cooling of hot, particulate matter, such as hot, retorted oil shale, comprises a plurality of enclosed, vertically spaced apart, converging vessels through which the material to be mixed and cooled is flowed. At least the lowermost vessel is configured for a packed bed f ...


12
Otis G Erich Jr: Geophone testing apparatus. Union Oil Company of California, Howard R Lambert, G Wirzbicki, D Sandford, June 28, 1988: US04754438 (2 worldwide citation)

The invention is an apparatus for obtaining a step function response signal from a geophone, comprising: (1) a controllable source of current; (2) a means for producing a switching pulse; (3) an electronic connecting means for applying current from the source to the geophone, while the pulse is bein ...


13
Donald C Young: Method for treating an aerosol to remove suspended particles therefrom. Union Oil Company of California, Michael H Laird, G F Wirzbicki, D Sandford, October 13, 1987: US04699633 (2 worldwide citation)

This invention provides a method for treating an aerosol comprising electrostatically charged particles, suspended in a gas, to separate said particles from said gas, which comprises mixing said aerosol, in the absence of electrostatically charged water particles, with another aerosol including part ...