PARKA
Filed: March 27, 1953
PARKING LOT HEATING SYSTEMS FOR SUPPLYING AND CIRCULATING HOT WATER THROUGH THE ENGINE WATER JACKETS OF A GROUP OF PARKED…
Owned by: VAPOR HEATING CORPORATION
Serial Number: 71644356
MODUZONE
Filed: September 28, 1953
AUTOMATICALLY CONTROLLED STEAM HEATING SYSTEMS FOR RAILWAY PASSENGER COMPARTMENT CARS IN WHICH AUTOMATIC CONTROLS FUNCTION…
Owned by: VAPOR HEATING CORPORATION
Serial Number: 71653884
UNIZONE
Filed: January 5, 1954
RAILWAY CAR AUTOMATICALLY CONTROLLED STEAM HEATING SYSTEMS OF A TYPE IN WHICH THE DELIVERY OF STEAM TO THE SYSTEM IS CONTROLLED…
Owned by: VAPOR HEATING CORPORATION
Serial Number: 71659018
AQUAZONE
Filed: September 2, 1954
AUTOMATICALLY CONTROLLED LIQUID HEATING AND CIRCULATING SYSTEMS FOR HEATING RAILWAY CARS
Owned by: VAPOR HEATING CORPORATION
Serial Number: 71672704
WATCHMAN
Filed: November 17, 1954
AUTOMATIC GAS AND OIL-FIRED HOT WATER HEATERS USED TO CIRCULATE HOT WATER THROUGH A DIESEL LOCOMOTIVE ENGINE WHILE THE LATTER…
Owned by: VAPOR HEATING CORPORATION
Serial Number: 71676849
