TRIFOIL HEAT EXCHANGER by MAGNESITA REFRACTORIES COMPANY (Track this)
Intl: (011) Environmental control apparatus; (041) Education and entertainment US: 013; 021; 023; 031; 034; 100; 101; 107 Filing date: 06-Apr-2001 Serial number: 76236917
XCHANGER SUITE by Heat Transfer Research, Inc. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 03-Feb-2000 Serial number: 75920066
XL HEAT EXCHANGER by LLOYDS IP HOLDINGS, LLC (Track this)
Intl: (011) Environmental control apparatus US: 013; 021; 023; 031; 034 Filing date: 26-Mar-1999 Serial number: 75668218
TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION by TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION (Track this)
Intl: (042) Computer, scientific & legal US: 100 Filing date: 06-Jan-1993 Serial number: 74346162
MAXCHANGER by DELTA T THERMAL SOLUTIONS, LLC (Track this)
Intl: (011) Environmental control apparatus US: 034 Filing date: 21-Jan-1991 Serial number: 74238589