GFC
Filed: July 16, 1952
FILTERS AND WATER SOFTENER TANKS
Owned by: GENERAL FILTER COMPANY
Serial Number: 71632611
DUOVAL
Filed: September 29, 1970
WATER FILTRATION EQUIPMENT-NAMELY, FILTRATION TANK UNITS AND ASSOCIATED INLET AND OUTLET CONTROLS
Owned by: GENERAL FILTER COMPANY
Serial Number: 72372019
PAK TOR
Filed: June 21, 1973
WASTE WATER TREATMENT APPARATUS-NAMELY, A PACKED BED REACTOR
Owned by: GENERAL FILTER COMPANY
Serial Number: 72460913
GF
Filed: February 2, 1977
Water Treatment Systems Comprising Aerators, Iron and Manganese Removal Plants, Mixers, Flocculators, Solid Contact Treating…
Owned by: GENERAL FILTER COMPANY
Serial Number: 73114480
SURF
Filed: September 1, 1992
filters for industrial waste water treatment
Owned by: GENERAL FILTER COMPANY
Serial Number: 74310409
GF
Filed: March 2, 1994
aerators/degasifiers, clarifiers, filters and softeners for water treatment in the field of water clarification, water purification…
Owned by: GENERAL FILTER COMPANY
Serial Number: 74495937
