Key Events

• Developed ways to encapsulate open coil heater in a dielectric.
• Groundbreaking patent in 1915 of a resistance-heating element embedded in an insulating refractory and enclosed in a metal sheath.
• Founded Chromalox in 1917 and began producing the strip heater for what would become the modern electric clothes iron.

Key Events

• Electric heating element developed for a pot belly stove lid, creating the first electric stove heating element.
• Patent filed for first electric heater used in a vessel for heating – the Percolator.
• Patent awarded for new strip heater applications for transportation market.
• Combining the word “chrome” as in nichrome wire in a strip heater and “locks” because a cement mix locks in the heating element, “Chromalox” was born.
• Appliance market emerges as key focus with the invention of the electric heating element.

Key Events

• Introduced new Finstrip heater invented to diffuse more heat in a smaller space.
• Company developed own patented version of a tubular heater – beginning of key core competency in industrial and commercial heating applications.
• Controls closely integrated into product heating “systems”.
• Heat and control solutions together are patented.
• Introduced residential heating products in both electric comfort heating and appliances.
• Launched wall-mounted heaters for the home.
• Introduced new electric thermostats and controls for heating with temperature control for the home.

Key Events

• Comfort air heater product line is introduced.
• Introduced over-the-side heater product line.
• First electric cartridge heater product line is completed.
• Introduced usage of first commercial cooking applications for electric deep fryers.
• The company focused on general industrial applications and transportation markets.

Key Events

• Provided first nuclear pressurizer heater for Navy submarine, USS Nautilus, commissioned in 1959.
• Introduced new patented radiant air heater line.
• Launched new silicon laminate flexible heaters.
• First electric immersion heater with housing patent obtained in 1961.
• Launched new electric hopper systems for PowerGen applications.
• Heat trace product line began R&D efforts.
• Major footprint expansion of factories in California and Pittsburgh.
• Primary focus on military and defense markets.

Key Events

• First to supply NASA with liquid nitrogen vaporizers for purging the launch pad fuel systems for rocket ignition.
• First circulation heater used in life saving application for operating room blood warming device.
• Launched first electric skid systems with circulation heaters and controls.
• Electric boilers added to the product line.
• Launched heat transfer systems and electric vaporizers.
• Introduced first MI Cable heating product for high temperature applications.
• Developed and introduced first heat trace cable – Constant Wattage.
• E.L. Wiegand took the company public in 1962.
• Chromalox acquired by Emerson in 1968.

Key Events

• First in the Space Shuttle Program with circulation heater and controls to purge nitrogen gas   at launch.
• Introduced new flexible tank heating product line.
• Launched patented explosion-proof comfort air heaters.
• Introduced new track switch heaters for rail transportation.
• Expanded presence in the UK with acquisition of Bray and Grimwood in 1971.
• Further penetrated the European market with the acquisition of Etirex France in 1972.
• Chromalox Industrial Controls was born with the purchase of Rosemount Temperature Controls.
• Launched new custom control line for OEM applications.

Key Events

• Introduced first self-regulating heat trace cables and accessories with UL and CSA approvals.
• Launched new cast-in heaters.
• Introduced new thin-blade product line.
• Launched new screw plug heater product line.
• Introduced new power control products.
• Further expansion in the UK took place with the acquisition of Eltron in 1987.
• Expanded global third party approvals and increased focus into the oil and gas market with   ATEX, Class 1, Division 2 hazardous location certifications.
• Introduced new software for providing quicker engineered solutions for unique heating applications.

Key Events

• First to supply UOP continuous catalytic regenerative (CCR) petrochemical process heaters and controls.
• Introduced high temperature self-regulating heat trace cable with hazardous location certifications.
• Launched heat trace controls product line.
• Introduced first version of ChromaTrace heat trace design software.
• Introduced swaged-in cartridge heaters – becomes industry standard.
• Expanded Asia presence with new sales office in Hong Kong.
• The Big Red Book is launched as technical document and product catalog.
• Expanded North America presence with acquisition of Ogden.

Key Events

• Supplied high temperature cartridge heater for Columbia Space Shuttle for anti-icing of shuttle wings.
• First to provide circulation and controls for alternative fuels.
• First to provide superheaters and control system for production of polysilicon for the solar market.
• Supplied the only Deep Draw cartridge heater for commercial aircraft coffee makers.
• Introduced patented high temperature “MaziZone” cartridge heaters.
• Launched mica band heater, load bank and air handler product lines.
• Expanded heat trace commercial product offerings with snow melting maps, roof and gutter de-icing and control products.
• Introduced new Service Group and product offerings in 2008.
• Expanded presence in China with opening new Shanghai sales office.
• Restructuring of global manufacturing footprint took place.

Key Events

• Completed first Engineering, Procurement and Construction (EPC) heat trace project for semiconductor plant.
• Obtained first large solar facility heat trace EPC contract.
• Supplied heating and control systems for natural gas discoveries (fracking).
• Launched next generation of heat trace control products with hazardous location certification.
• Introduced long line heat trace cable for heating pipes up to 15,000 ft in length.
• Introduced heat trace skin effect heating for heating pipe of up to 10 miles in length.
• Introduced new supervisory software control module for heat trace and heater monitoring capabilities.
• Filed patent on new 4160 V tubular heating element – launching new medium voltage technology.
• Opened new sales offices in Germany, India, Thailand, Singapore, and Dubai.
• Opened new distribution facility in Edmonton, Alberta, Canada.