Thoughtventions Unlimited (TvU) is a multidisciplinary research, development, and manufacturing organization dedicated to the advancement, application, and commercialization of advances in the physical sciences.  TvU, founded in 1993, currently pursues a wide variety of Research and Development goals and is a manufacturer of laboratory furnaces, sapphire viewports, and a wide variety of custom scientific equipment.

40 Nutmeg Lane                  Glastonbury, CT 06033                  Tel: (860) 657-9014                  Fax: (860) 657-2666                  Email: thought@tvu.com

TvU's CO2 Capture Program!

Are you doing anything about Global Warming? TvU is. We have a project to capture CO₂ from hydrocarbon fuel combustion exhausts that we are moving forward on as fast as resources will permit, initially funded by TvU and the National Science Foundation. 

                   Consulting

                   Completed Custom Products!

                   Research and Development Services

                   Research and Development Technical Areas and Qualifications

                       TvU Internal Research and Development

                       Funded Research Abstracts

TvU Products		If you need a standard furnace, look elsewhere.	If you really need to know what you are doing - CONTACT US
General Purpose Laboratory Furnaces                                  Furnace Products		Description / Maximum Temperature	Atmosphere
High Temperature Furnaces			Oxidizing	Inert	Vacuum	Reducing
	Air Box Laboratory Furnace	Small Silicon Carbide (SiC) element lab furnace. 1700°C    From $7500	x
	High Temperature Vacuum Laboratory Furnace    Why Unique?	Small vacuum high temperature lab furnace. Under Development to 2400°C From $10000		x	x	x
	High Temperature Inert Gas Laboratory Furnace    Why Unique?	Small inert gas high temperature furnace. 2000°C From $10000		x	x	x
	High Temperature Mini Laboratory Furnace    Why Unique?	Very small vacuum high temperature furnace. 2000°C From $4000			x
Transparent Furnaces
	Fully Transparent Laboratory Furnace                         Why Unique?	Uncoated fully visible quartz tube lab furnace.  700°C    From $9500	x	x	x
	1200oC Transparent Laboratory Furnace                         Why Unique?	Gold-coated quartz tube laboratory furnace. 1200°C From $15000	x	x	x
	Multizone Transparent Laboratory Furnace    Why Unique?	Gold-coated multizone quartz tube lab furnace. 1200°C  From $19000	x	x	x
Vacuum Furnaces			Oxidizing	Inert	Vacuum	Reducing
	Multizone Vacuum Tube Furnace	Inexpensive Vacuum Furnace rated above 1000°C.        From $9000	x	x	x	x
	1700oC Vacuum Tube Furnace	Vacuum Tube Furnace rated at 1700°C.        From $10000		x	x	x
	Getter Furnace	Furnace designed to pump specific gases in a high vacuum environment		x	x
Rapid Heating Furnaces
	Fast Furnace                Why Unique?	Fast heat/cool tube lab vacuum furnace with sample insertion. 1500°C From $9500	x	x	x
	High Heating Rate Furnace                                        Why Unique?	Controlled, high heating rate furnace. E-mail for price.	x	x	x
High Pressure Furnaces
	HPHT Furnace              Why Unique?	High pressure, High Temperature, 2500 psi, 170 atm, 1900°C. From $40000		x	x	x
Ancillary Equipment
	Furnace Temperature Controllers	Temperature feedback controllers for laboratory furnaces. From $1250
	Vacuum and Gas Systems	We also supply used or new vacuum systems and gas controls-mail for price.

Special Purpose Furnaces

Other TvU Products

Ceramic Products
	High Temperature Alumina / Sapphire Bonding System	Join sapphire to alumina or metals at temperatures up to 1000°C or 1400°C
Viewports/Optical Cells		Meller Optics - TvU's Sapphire Window Source
	High Temperature/High Pressure Viewports	Sapphire viewports for high pressures and temperatures up to 700°C
	High Temperature/Vacuum Viewports	Sapphire viewports for high temperatures in vacuum up to 700°C
	High Pressure/Moderate Temperature Cells	Opposing sapphire windows in a small fixture rated for 300 atm and 500°C.
	High Temperature Fluid Optical Cell	Quartz tube for high temperature fluid viewing up to 1000°C at 1 atm.
	Extreme Temperature Viewports	Sealed sapphire windows in an alumina fixture rated for extreme temperature and moderate pressure.
	Furnace View Systems	Process inspection / viewing systems for furnace hot zones up to 3000°C
	Gold Coated Parts/Tubes/Windows	Semi-transparent IR reflecting windows and mirror surfaces.
	Gas Cooled Endoscope Shells	Full internal inspection of hot systems up to 1000°C
High Vacuum Station
	TvU High Vacuum Station	Portable, general purpose high vacuum station
PARTNER                COMPANIES	Products
EnvirOptics	Optical Windows  Electrical Feed Through / Terminals  Vision Analysis Systems	Specialties: Sapphire windows, borescope endoscope vision systems, sapphire brazing
NEMS FURNACES	All types of high quality industrial furnaces

Used Equipment	For Sale
	Thermco 6 Zone Hydrogen Belt Furnace	Standard belt furnace. Must sell - will take best reasonable offer.
Helium Recovery              Helium Storage	High Pressure Helium Compressors	Refill standard helium cylinders using 1 atm. pressure helium. Call for price.

Chemical Rocket Propellant Development at TvU

TvU Editorials

TvU Company Details

TvU Research Papers