MONO-FLOC
Filed: September 20, 1965
LIQUID FILTERS
Owned by: Graver Company, The
Serial Number: 72228217
ROTO-SCOUR
Filed: July 25, 1966
LIQUID FILTERS
Owned by: Graver Company, The
Serial Number: 72251022
HYDRO-CIRC
Filed: August 24, 1970
WATER CLARIFICATION AND SOFTENING APPARATUS
Owned by: Graver Company, The
Serial Number: 72368863
PFR
Filed: February 10, 1971
CONCENTRATORS FOR SOLUTIONS IN THE NATURE OF EVAPORATORS ADAPTED FOR USE WITH PRE-HEATERS
Owned by: Graver Company, The
Serial Number: 72383418
PFR-AV
Filed: September 1, 1978
LIQUID FILM EVAPORATION APPARATUS, AND PARTS THEREOF
Owned by: Graver Company, The
Serial Number: 73178693
ECO-LOC
Filed: September 14, 1981
Filter Cartridges for Use in Commercial, Industrial and Municipal Liquid Filtration Units
Owned by: Graver Company, The
Serial Number: 73327835
ROSEP
Filed: November 26, 1984
REVERSE OSMOSIS WATER TREATMENT UNITS AND COMPONENT PARTS THEREOF
Owned by: Graver Company, The
Serial Number: 73510389
REACTA-RAKE
Filed: March 17, 1987
WATER FILTERING UNITS, AND PARTS THEREOF, FOR COMMERCIAL AND INDUSTRIAL USE
Owned by: Graver Company, The
Serial Number: 73649898
MONO-SCRUB
Filed: March 17, 1987
WATER FILTERING UNITS, AND PARTS THEREOF, FOR COMMERCIAL AND INDUSTRIAL USE
Owned by: Graver Company, The
Serial Number: 73649899
TRAYPAK
Filed: February 21, 1989
WATER FILTERING UNITS FOR COMMERCIAL AND INDUSTRIAL USE
Owned by: Graver Company, The
Serial Number: 73781961
TRI-SEP
Filed: May 18, 1990
oil coalescer units for removing oil from waste water, oil-in-water emulsions and dispersions
Owned by: Graver Company, The
Serial Number: 74060447
GREGRY
Filed: October 3, 1990
regenerating ion exchange resins including the washing and cleaning thereof
Owned by: Graver Company, The
Serial Number: 74102722
WATERAID
Filed: July 29, 1991
maintenance and repair services for power plant water conditioning/treatment equipment
Owned by: Graver Company, The
Serial Number: 74189462
GRAVER WATERWORKS
Filed: February 12, 1993
custom design of computer software for controlling water, waste water and process water treatment systems for others
Owned by: Graver Company, The
Serial Number: 74358329
POXIFIL
Filed: June 7, 1994
underdrain distribution strainers for use in a water treatment system
Owned by: Graver Company, The
Serial Number: 74534374
BEDTRAK
Filed: June 7, 1994
resin location detecting devices for use in a water treatment system
Owned by: Graver Company, The
Serial Number: 74534593
