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April 09, 2019 02:00 AM

Synventive sues Inglass, HRSflow over patent infringement

Bill Bregar
Senior Staff Reporter
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    Updated — Hot runner manufacturer Synventive Molding Solutions is suing Italy-based Inglass SpA, claiming that Inglass' hot runner division, HRSflow, continues to use technology it licensed from Synventive in 2014, although after the license agreement expired Nov. 6.

    According to Synventive, part of publicly traded Barnes Group Inc., the license covered the use of electronic actuators and pin control of sequential valve gated hot runner systems.

    The technology is mainly used in the automotive sector for interior and exterior parts. The agreement gave HRSflow the rights to implement Synventive's patented Synflow technology.

    Synventive filed the patent infringement lawsuit against Inglass and HRSflow GmbH in the Regional Court of Mannheim in Germany. Synventive seeks monetary damages and an injunction blocking sales of any hot runner systems that infringe on Synventive's patented valve pin control technology, plus an order to recall infringing hot runner systems, controllers and auxiliary equipment.

    “In Synventive's opinion, the license expiration means that HRSflow can no longer sell products that utilize the process of modulating the opening of the valve pin in order to solve part quality defects as represented in Synventive's Synflow patents,” the company said in a news release announcing the legal action.

    Maurizio Bazzo, president of INglass SpA, said in an April 5 statement that he had not seen the lawsuit, and was not in a position to comment.

    He added: “Our products are developed and manufactured on the ground of our proprietary patented technologies. With specific reference to our Flex Flow technology, more than 110 patents and patent applications, spread over many countries in the world, support this fact. Thus we can reasonably exclude any conflicts with rights of other competitors, first and foremost Synventive Molding Solution Inc.

    “For this reason we are committed to support whoever makes use of an INglass SpA product and we confirm that we have already taken all the proper actions to protect also the interests of our clients,” he said.

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