Trademark Overview
On Friday, December 12, 2025, a trademark application was filed for SUNSTONE with the United States Patent and Trademark Office. The USPTO has given the SUNSTONE trademark a serial number of 79443802. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, February 12, 2026. This trademark is owned by Warmup plc. The SUNSTONE trademark is filed in the Computer & Software Products & Electrical & Scientific Products, Environmental Control Instrument Products, and Rubber Products categories with the following description:
Apparatus for heating purposes; electric heating apparatus; underfloor heating apparatus and installations; mats and matting for heating purposes; heating elements; apparatus for heating purposes, namely, kits for installing under floor heating consisting primarily of electrically heated wires, thermal primer for application to the floor area, adhesive tape for securing the heat wire in place and thermostat; apparatus for heating purposes namely, kits for installing under floor heating consisting primarily of fibreglass mats or matting incorporating electrically heated wires; apparatus for heating purposes namely, under floor heating apparatus consisting primarily of fibreglass mats or matting incorporating electrically heated wires; apparatus for heating purposes, namely, electrically heated mats and matting; underfloor and under tile heating apparatus and installations; heaters; electrical heating elements in the form of cables; electric heating cables; parts and fittings for the afo...
Heat regulating apparatus, namely thermostats, electronic timers, temperature sensors; thermostats; electric timers and sensors; cables, wires and switches for heating apparatus and installations; parts and fittings for the aforesaid goods.
Insulating materials; insulating materials, namely, polystyrene insulating boards; insulating materials for application to floors, walls, ceilings and roofs namely polystyrene insulating boards, polystyrene insulating boards laminated with cement coatings; insulation boards for floors; parts and fittings for the aforesaid goods.