Westinghouse Electric & Mfg. Co. v. American Transformer Co.

BRADFORD, District Judge.

The Westinghouse Electric and Manufacturing Company has brought its bill against the American Transformer Company, charging infringement of letters patent of the United States No. 366,362, dated July 12, 1887, issued to George Westinghouse, Jr., and by him assigned to and now held and owned by the complainant. The patent relates to improvements in electrical converters, now usually called transformers. Heat, representing loss or waste, or, in a strict sense, conversion, of electric energy, is generated or developed in the coils and core of a transformer when in use.…