CALGONITE
Filed: November 18, 1949
ELECTRICAL CONTROLLING AND SIGNALLING APPARATUS FOR MEASURING AND CONTROLLING THE ALKALINITY OF WASHING SOLUTIONS USED IN…
Owned by: CALGON INCORPORATED
Serial Number: 71588003
ZEOTONE
Filed: August 17, 1950
CHEMICAL COMPOUND USED IN ZEOLITE SOFTENERS FOR THE PURPOSE OF DEFLOCCULATING AND DISPERSING SEDIMENT, CONTROLLING CORROSION…
Owned by: CALGON INCORPORATED
Serial Number: 71602304
CALGON MAKES WATER SOFTER THAN RAIN
Filed: March 28, 1952
WATER SOFTENING AND WATER CONDITIONING CHEMICALS FOR INDUSTRIAL, LAUNDRY, WET CLEANING, AND HOME USE
Owned by: CALGON INCORPORATED
Serial Number: 71627170
THANX
Filed: October 7, 1952
CLEANSING AND DETERGENT COMPOUND FOR USE IN DISHWASHING AND OTHER WASHING AND CLEANSING OPERATIONS
Owned by: CALGON INCORPORATED
Serial Number: 71636271
SIGNEON
Filed: November 19, 1953
DIRECT-READING CONDUCTIVITY METERS
Owned by: CALGON INCORPORATED
Serial Number: 71656619
HI-TIME
Filed: November 29, 1954
CLEANSING AND DETERGENT COMPOUND FOR USE IN DISHWASHING AND OTHER WASHING AND CLEANSING OPERATIONS
Owned by: CALGON INCORPORATED
Serial Number: 71677389
WELTONE
Filed: November 29, 1954
CHEMICAL COMPOSITIONS USED IN RESTORING THE PRODUCTION OF UNDERGROUND WELLS
Owned by: CALGON INCORPORATED
Serial Number: 71677390
CALSOFIX
Filed: January 18, 1955
CHEMICAL COMPOUNDS USED IN THE PREPARATION OF PURE SALT BRINES
Owned by: CALGON INCORPORATED
Serial Number: 71680064
CALGON ZEO-KIT
Filed: September 12, 1955
TEST KITS CONTAINING REAGENT SOLUTIONS AND THE LIKE, SPECIFICALLY FOR THE DETERMINATION OF WATER HARDNESS
Owned by: CALGON INCORPORATED
Serial Number: 71694472