A system for conveying products in succession along an industrial line, said system comprising at least one mobile conveyor (10, 20) configured for conveying the products along at least one stretch of said line; wherein provided on said conveyor are codes (Ci) designed to identify a series of distinct mobile areas (Ai) for reception of the products; said system comprising: - one or more devices (Dy) configured for detecting the codes (Ci) of the areas of said conveyor in one or more positions, along said line, where, or in the proximity of which, said products undergo an operation; and - a control unit configured for determining one or more data regarding the state of said products on the basis of said codes (Ci), said system being characterized in that: - said conveyor is configured, at least in part, for receiving the products in a free state, simply resting on a supporting surface and not being constrained in any way in a specific position; - said devices, or further detection devices of said system, are configured for identifying passage of said products in said positions along said line, where said products undergo an operation, or in the proximity of said positions; and - said devices are configured for identifying said codes (Ci) and said products independently, and wherein said control unit is configured for storing a relation between a given product and a given code following upon combined detection of said given code and of said given product within the area of reception (Ai) determined by said code (Ci). wherein provided on said conveyor are codes (Ci) designed to identify a series of distinct mobile areas (Ai) for reception of the products; said system comprising: - one or more devices (Dy) configured for detecting the codes (Ci) of the areas of said conveyor in one or more positions, along said line, where, or in the proximity of which, said products undergo an operation; and - a control unit configured for determining one or more data regarding the state of said products on the basis of said codes (Ci), - one or more devices (Dy) configured for detecting the codes (Ci) of the areas of said conveyor in one or more positions, along said line, where, or in the proximity of which, said products undergo an operation; and - a control unit configured for determining one or more data regarding the state of said products on the basis of said codes (Ci), said system being characterized in that: - said conveyor is configured, at least in part, for receiving the products in a free state, simply resting on a supporting surface and not being constrained in any way in a specific position; - said devices, or further detection devices of said system, are configured for identifying passage of said products in said positions along said line, where said products undergo an operation, or in the proximity of said positions; and - said devices are configured for identifying said codes (Ci) and said products independently, and wherein said control unit is configured for storing a relation between a given product and a given code following upon combined detection of said given code and of said given product within the area of reception (Ai) determined by said code (Ci). - said conveyor is configured, at least in part, for receiving the products in a free state, simply resting on a supporting surface and not being constrained in any way in a specific position; - said devices, or further detection devices of said system, are configured for identifying passage of said products in said positions along said line, where said products undergo an operation, or in the proximity of said positions; and - said devices are configured for identifying said codes (Ci) and said products independently, and wherein said control unit is configured for storing a relation between a given product and a given code following upon combined detection of said given code and of said given product within the area of reception (Ai) determined by said code (Ci).