ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,870, issued on Sept. 8, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland). "Variable refrigerant flow system ... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,871, issued on Sept. 8, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.). "Heat pump and auxiliary heating with carbon reduction r... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,872, issued on Sept. 8, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan). "Air-conditioning control system" was invented by Mikio Kaga... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,873, issued on Sept. 8, was assigned to Copeland LP (Sidney, Ohio). "Open air-cycle ventilating heat pump" was invented by Andrew M. Welch ... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,874, issued on Sept. 8, was assigned to Ningbo Dongda Air-Conditioning Equipment Co. Ltd. (Yuyao City, China). "Two-supply kitchen air cond... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,875, issued on Sept. 8, was assigned to ZEHNDER GROUP INTERNATIONAL AG (Granchen, Switzerland) and PLASTIC CONCEPT GMBH (Neusalza-Spremberg,... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,876, issued on Sept. 8, was assigned to Mitsubishi Electric Corp. (Tokyo). "Relay unit and air-conditioning apparatus including relay unit"... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,877, issued on Sept. 8, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.). "Air conditioning unit condensate removal" wa... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,878, issued on Sept. 8, was assigned to NORITZ Corp. (Hyogo, Japan). "Heat exchanger and hot water apparatus including heat exchanger" was ... Read More
ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,879, issued on Sept. 8, was assigned to A. O. Smith Corp. (Milwaukee). "Tank water heater and water heating system" was invented by Jianmin... Read More