January 1951 Environmental control apparatus Trademarks by day
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
Environmental control apparatus Trademarks filed in January 1951
AMAL

AMAL

Filed: January 30, 1951
GAS BURNERS, BUNSEN BURNERS, FUEL OIL BURNERS, PILOT LIGHTS, GAS TORCHES, GAS JETS, GAS INJECTORS, FUEL INJECTORS, CALIBRATED…
Owned by: AMAL LIMITED
Serial Number: 71609388

SELAS S

SELAS S

Filed: January 29, 1951
GAS BURNERS FOR INDUSTRIAL USE [ , AND PARTS THEREFOR, AND INDUSTRIAL HEATING EQUIPMENT-NAMELY, FURNACES, OVENS, DRYERS,…
Owned by: SELAS HEAT TECHNOLOGY COMPANY LLC
Serial Number: 71609382

GRADUMATIC

GRADUMATIC

Filed: January 25, 1951
HUMIDIFIERS FOR AIR CONDITIONING
Owned by: PARKS-CRAMER COMPANY
Serial Number: 71609255

THERMWIRE

THERMWIRE

Filed: January 19, 1951
ELECTRIC HEATERS EACH COMPRISING A RELATIVELY LONG LENGTH OF AN INSULATED RESISTOR, EMBEDDED OR INCORPORATED IN EARTH OR…
Owned by: CHROMALOX, INC.
Serial Number: 71609017

AA

AA

Filed: January 17, 1951
AUTOMATIC SPRINKLER SYSTEMS FOR FIRE PROTECTION, AND PARTS THEREOF-NAMELY, ADAPTERS, ALARM VALVES, AUTOMATIC RELEASES, AIR…
Owned by: NATIONAL FOAM, INC.
Serial Number: 71608847

APTAN

APTAN

Filed: January 17, 1951
PRESSURE TANK FIRE PREVENTION SPRINKLER SYSTEMS COMPRISED OF PRESSURE TANKS, PIPING, VALVES, SPRINKLERS, AND CONTROLS THEREFOR…
Owned by: "AUTOMATIC" SPRINKLER CORPORATION OFAMERICA
Serial Number: 71608849

LIGHTNING HIGH SPEED

LIGHTNING HIGH SPEED

Filed: January 17, 1951
DELUGE SPRINKLER UNITS, PIPING, VALVES, AND SPRINKLERS THEREFOR
Owned by: "AUTOMATIC" SPRINKLER CORPORATION OFAMERICA
Serial Number: 71608852

SUPROTEX

SUPROTEX

Filed: January 17, 1951
AUTOMATIC SPRINKLER SYSTEMS FOR FIRE PROTECTION, AND PARTS THEREOF-NAMELY, ADAPTERS, ALARM VALVES, AUTOMATIC RELEASES, AIR…
Owned by: KIDDE FIRE FIGHTING INC.
Serial Number: 71608855

TROJAN

TROJAN

Filed: January 17, 1951
PRESSURE TANK FIRE PREVENTION SPRINKLER SYSTEMS COMPRISED OF PRESSURE TANKS, PIPING, VALVES, SPRINKLERS, AND CONTROLS THEREFOR…
Owned by: "AUTOMATIC" SPRINKLER CORPORATION OFAMERICA
Serial Number: 71608856

MCDONALD

MCDONALD

Filed: January 17, 1951
CHECK VALVES, RELIEF VALVES, AIR PRESSURE CONTROLLED VALVES FOR DEEP AND SHALLOW WELL PUMPS, THROTTLE VALVES, WATER FAUCETS…
Owned by: A.Y. MCDONALD MANUFACTURING CO.
Serial Number: 71608875