Patel Brothers Services & Engg. Pvt. Ltd. Manufactures Huller and Shaker in Cottonseed Processing Machinery. Patel Brothers Services & Engg. Pvt. Ltd. Supplies cottonseed oil plant and machinery, Kerodex Barrier Creams and Effluent Treatment Plants. The Huller and Shaker in Cottonseed Processing Machinery is an oil processing machine. Huller and Shaker in Cottonseed Processing Machinery are used for cleaner decortications with absolute minimum of oil absorbed in Hull. Shaker separator provides efficient separation of meats and hulls.