SURF
Filed: July 6, 1990
filters for industrial waste water treatment
Owned by: ENVIREX INC.
Serial Number: 74076095
LAGOONERATOR
Filed: December 28, 1994
air diffusers for oxygenating wastewater
Owned by: ENVIREX INC.
Serial Number: 74616191
DUOTHERM
Filed: October 17, 1995
waste water sludge treatment installations, namely, digester equipment for the treatment of waste biosolids
Owned by: ENVIREX INC.
Serial Number: 75006696
ORBAL
Filed: October 19, 1995
wastewater treatment equipment, namely, three channel looped reactor systems
Owned by: ENVIREX INC.
Serial Number: 75007601
FOLDED-FLOW
Filed: October 19, 1995
biological treatment equipment combining secondary treatment and clarification in existing tankage
Owned by: ENVIREX INC.
Serial Number: 75007603
SIGMA-PLUS
Filed: October 19, 1995
machine parts, namely collector flights for use with sludge collector systems
Owned by: ENVIREX INC.
Serial Number: 75007733
SURFACT
Filed: October 19, 1995
biological wastewater treatment units
Owned by: ENVIREX INC.
Serial Number: 75007872
BIONUTRE
Filed: October 19, 1995
biological nutrient aeration units for use in waste water treatment
Owned by: ENVIREX INC.
Serial Number: 75007879
DOUBLEGUARD
Filed: October 19, 1995
bar screens for wastewater treatment equipment
Owned by: ENVIREX INC.
Serial Number: 75007881
