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Houston, Texas – December 11, 2007 -- Hammonds Industries, Inc. (OTCBB: HMDI), announced today that U.S. Patent 7,278,836 B2 was awarded to Hammonds, covering a metering pump capable of delivering a constant rate of flow, over a wide range of viscosities, at infinitely variable delivery rates. Carl Hammonds, Hammonds President said, "We are excited about the enormous commercial potential for our new Hammonds Pump^TM technology. Hammonds’ revolutionary design is able to dispense with digital accuracy, shear sensitive liquids such as polymers, petroleum products, pharmaceuticals, food products, serving many industries such as cosmetics, refined products, oilfield exploration and production, water and waste treatment, mining, and food processing."

Pumps represent the second most frequently purchased item in the global stream of commerce, behind electric motors. World demand is projected to rise 4.8% through 2010 to $37 billion. Potential applications of the revolutionary new Hammonds’ Pump^TM technology in various industries include pipeline transmission, downhole injection systems for enhanced oil and gas recovery, municipal water and waste treatment, as well as refinery and chemical plant applications.

Most pumps rely on the movement of the fluid being pumped to effect closure of the valves. That design feature limits operation of the pump to higher speeds in order to maintain effective closure of valves. Poorly sealing valves can contribute to cavitation and other operating problems. The dramatic difference in the new Hammonds Pump^TM design is the use of mechanically operated valves, which can enable operation over a much greater range of flow and working pressures.

Carl Hammonds said "We were able to achieve continuous delivery of fluid using two identical pumping chambers, one operating in suction mode as the other is in discharge mode, switching modes with each cycle. Large displacement pumping chambers allow for slow operating speed, reducing cavitation and other volumetric inefficiencies. Operated by ball-screw mechanisms, the pistons can be digitally actuated to dispense precise volumes ranging from fractions of an ounce to as much as several gallons of flow per minute, with pharmaceutical accuracy. A significant departure from prior art in the design of pumps is the fact that the valves in the Hammonds Pump^TM are mechanically operated, providing positive sealing and enabling operation at very low speeds."

Carl Hammonds said "In addition to our development of the new Hammonds Pump^TM, we have continued increasing our investment in Hammonds’ infrastructure and manufacturing capacity to enhance our ability to develop new products and designs necessary for the realization and commercial exploitation of several of the new industrial opportunities developing within the Hammonds companies."

Hammonds Industries, the premier provider of military aviation fuel additive systems, is revolutionizing material handling and airline towing systems with its Hammonds’ ODV® – the omni directional vehicle that easily tows heavy loads in any direction. Hammonds Industries has designed and manufactured specialized products, primarily for government, aviation and military customers for over 27 years. Founded in 1980, the company has a long-standing reputation for innovation. Hammonds’ products include patented systems for blending and injecting fuel additives, systems for blending water treatment chemicals, as well as fuel handling products. Hammonds is a subsidiary of American International Industries, Inc. (NasdaqCM: AMIN).

To view Hammonds’s products and for additional information about the company, please visit http://www.hammondscos.com, http://www.hammondsodv.com, and http://www.waterchlorination.com.