MASTERTROL
Filed: September 21, 1970
ZONE CONTROLS FOR AIR HEATING AND COOLING SYSTEMS, WHEREIN SELECTIVE REGULATION OF AUTOMATIC REGISTERS, DAMPERS AND DIFFUSERS…
Owned by: Trolex Corporation
Serial Number: 72371313
SOLAR-TROLER
Filed: January 28, 1976
ZONE CONTROLS FOR AIR HEATING SYSTEMS-NAMELY, AUTOMATIC REGISTERS, DAMPERS AND DIFFUSERS
Owned by: Trolex Corporation
Serial Number: 73075534
SAFE-T-TROL
Filed: June 7, 1976
FIRE ALARM AND FIRE SAFETY SYSTEM-NAMELY, ELECTRICALLY AND MECHANICALLY OPERATED DETECTORS AND ALARMS, MONITORS, SWITCH…
Owned by: Trolex Corporation
Serial Number: 73089634
AUTOMATIC BALANCING SYSTEM
Filed: February 18, 1994
electronic and electro-mechanical temperature controls for use in connection with heating, ventilating, and air-conditioning…
Owned by: Trolex Corporation
Serial Number: 74492091
SOFTZONE
Filed: January 16, 1998
Computer program which demonstrates heating, ventilation, and cooling systems and layouts for use in homes, businesses and…
Owned by: Trolex Corporation
Serial Number: 75421885
ZONEFIRST
HVAC units and component parts thereof; air-conditioning, air cooling and ventilation apparatus and instruments; dampers…
Owned by: Trolex Corporation
Serial Number: 77311083
ZONE-A-TROL
Controls, namely, thermostats, electrical switches, and automatic thermostat-control apparatus and electronic and electromechanical…
Owned by: Trolex Corporation
Serial Number: 78277563
FRESHEX
Electronic controls for air ventilation dampers and electric motor sold as a unit used in heating, ventilation, and air…
Owned by: Trolex Corporation
Serial Number: 78278824
MASTERTROL
Electric controls for heating and cooling systems which regulate automatic registers, zone controls, dampers and diffusers…
Owned by: Trolex Corporation
Serial Number: 78278903
INSERT-A-DAMPER
Vents, ducts and parts therefor
Owned by: Trolex Corporation
Serial Number: 78562551
RETRO-ROUND
Dampers, namely control devices used in air ducts to regulate the flow of air
Owned by: Trolex Corporation
Serial Number: 78562564
FRESHEX
Air ventilation dampers and controls
Owned by: Trolex Corporation
Serial Number: 78651938
IOZ
Filed: March 31, 2021
Home automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating…
Owned by: Trolex Corporation
Serial Number: 90616110
INTERNET OF ZONING
Filed: March 31, 2021
Home automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating…
Owned by: Trolex Corporation
Serial Number: 90616123
INVIS-A-STAT
Filed: April 18, 2022
thermostats; wired and wireless controllers for HVAC systems and components
Owned by: Trolex Corporation
Serial Number: 97368880
