Core Viewpoint - Whirlpool has requested a U.S. trade agency to prohibit the import and sale of microwaves from South Korean and Chinese manufacturers, claiming that these companies have infringed on its patented technology [1] Group 1: Company Actions - Whirlpool is taking legal action to protect its intellectual property by seeking a ban on imports from competitors [1] - The company alleges that rival manufacturers have copied its patented technology for an extended period [1] Group 2: Industry Implications - This move by Whirlpool highlights the ongoing competition and patent disputes within the microwave manufacturing industry [1] - The request for a trade agency intervention indicates a potential escalation in trade tensions between U.S. companies and foreign manufacturers [1]