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David K Anderson II, Manuel E Gonzalez, Nicholas Paul Valenti: Method of chemical tagging. John R Casperson, December 15, 1998: US05849590 (70 worldwide citation)

Rare elements, which can be selected from Ni, Cu, W, Li, N, Ce, Sn, Y, Nd, Nb, Co, La, Pb, Ga, Mo, Th, Cs, Ge, Sm, Gd, Be, Pr, Se, As, Hf, Dy, U, B, Yb, Er, Ta, Br, Ho, Eu, Sb, Tb, Lu, Tl, Hg, I, Bi, Tm, Cd, Ag, In, Se, Pd, Pt Au, He, Te, Rh, Re, Ir, Os, and Ru can be used to tag commodities, includ ...


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David K Anderson, Marvin A Stewart: Apparatus for separating oil-water mixtures. Chevron Research Company, R L Freeland Jr, Edward J Keeling, December 20, 1977: US04064054 (38 worldwide citation)

A wash tank is provided for separating an oil-water mixture and utilizes a plurality of baffle sections to assist in separating oil and water. The baffle sections include solid perpendicular portions and sloping perforated portions arranged in a special configuration within the tank.


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David K Anderson, Marvin A Stewart: Slotted baffle for use in separating oil-water mixtures. Chevron Research Company, R L Freeland Jr, Edward J Keeling, January 2, 1979: US04132652 (35 worldwide citation)

An improved baffle for use in an oil-water separation tank including a perpendicular solid portion and an inclined slotted portion extending downwardly and inwardly in the direction of flow from the lower edge of the perpendicular solid portion, the slotted portion having at least three rows of down ...


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Michael J Rini, Todd D Hellewell, David P Towle, Patrick L Jennings, Richard C LaFlesh, David K Anderson: Integrated low NO.sub.x tangential firing system. Combustion Engineering, Arthur E Fournier Jr, May 31, 1994: US05315939 (33 worldwide citation)

An integrated low NO.sub.x tangential firing system (12) that is particularly suited for use with pulverized solid fuel-fired furnaces (10), and a method of operating a pulverized solid fuel-fired furnace (10) equipped with an integrated low NO.sub.x tangential firing system (12). The integrated low ...


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David K Anderson II, Manuel E Gonzalez, Nicholas Paul Valenti: Method of tagging hydrocarbon fuels. Isotag L L C, John R Casperson, November 9, 1999: US05981283 (30 worldwide citation)

A liquid hydrocarbon fuel composition comprises at least one tagging agent and a mixture of hydrocarbon components having boiling points in the range of about 100 degrees F. to about 800 degrees F. The tagging agent is present at a concentration in the range of from about 0.5 ppb to about 500 ppb. T ...


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David K Anderson II, Manuel E Gonzalez, Nicholas P Valenti: Method of identifying chemicals by use of non-radioactive isotopes. Isotag L L C, John R Casperson, December 12, 1995: US05474937 (29 worldwide citation)

A method is disclosed for identifying the source of a transported chemical shipment. The method employs either a chemical element or an organic compound with one or more atoms that are non-radioactive isotopes generally not found in nature. A small quantity of the isotopic compound is introduced int ...


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David K Anderson, Michael J Rini: SCR reactant injection grid. Arthur E Fournier Jr, November 23, 1999: US05988115 (28 worldwide citation)

A system and method of injecting an ammonia or urea reactant into a flue gas stream in a steam generating power plant that utilizes Selective Catalytic Reduction (SCR) to lower NO.sub.x emissions and more specifically the injection of the reactant in such a manner that a more uniform mixing of the r ...


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David K Anderson, Martin J Kozlak: Sorbent injection system. Combustion Engineering, Arthur E Fournier Jr, March 24, 1987: US04651653 (22 worldwide citation)

A furnace (10) having burner means (12) associated with it for burning a sulfur-bearing fuel. Sorbent material, such as limestone, is introduced through nozzles (34) along a pipe (32) extending across the width of the furnace above the nose (31) in the upper portion of the furnace, so that the pipe ...


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David K Anderson II, Manuel E Gonzalez, Nicholas Paul Valenti: Tagging chemical compositions. John R Casperson, October 14, 1997: US05677187 (21 worldwide citation)

Rare elements, which can be selected from Ni, Cu, W, Li, N, Ce, Sn, Y, Nd, Nb, Co, La, Pb, Ga, Mo, Th, Cs, Ge, Sm, Gd, Be, Pr, Se, As, Hf, Dy, U, B, Yb, Er, Ta, Br, Ho, Eu, Sb, Tb, Lu, Tl, Hg, I, Bi, Tm, Cd, Ag, In, Se, Pd, Pt, Au, He, Te, Rh, Re, Ir, Os, and Ru can be used to tag commodities, inclu ...