Matches 201 - 250 out of 285 < 1 2 3 4 5 6 >
Match Document Document Title
3691346 ELECTRICALLY HEATED CATALYTIC AIR PURIFIER  
The invention relates to air treatment equipment for the removal of impurities from the air such as odorous substances and bacterial spores. The equipment includes a support member made of silicon...
3638926 HUMIDIFICATION  
Humidification and heating apparatus preferably including a spirally wound resistance-heated plate with its axis vertical and one side in thermal contact with a sheet of water absorbent material....
3635344 UNITARY FILTER AND PUMP FOR HOME AQUARIUMS  
A combination filter and motorized pump for mounting on the wall of an aquarium. A housing containing a removable filter tank and electric heater is connected by an upper casing to a screw-type of...
3631525 ELECTRIC HEATER FOR USE IN A DUCT WORK SYSTEM  
A heater adapted for use in a duct work system includes a unitary assembly of (1) a housing unit supporting at least one resistance wire heating element having a pair of terminals, (2) a control...
3614389 ELECTRICALLY HEATED DENTAL WAX SUPPLYING AND MANIPULATING TOOLS  
A dental wax shaping and supplying tool includes an electrically heated, pressurized wax reservoir for heating a mass of wax to the desired temperature. Molten wax is selectively discharged from...
3596588 AUTOMATIC BEVERAGE MAKER  
A small, compact beverage maker, particularly adapted for use in commercial aircraft and of the type which heats water and then passes the heated water through a beverage-producing material such as...
3578945 HEATER FOR AEROSOL FOAM-DISPENSING CONTAINERS  
An electric heating device for heating foam products as they are discharged from an aerosol container by passing the foam in direct contact with the hot surfaces of the secondary winding of a...
3567905 HOT WATER SPACE HEATER  
A hot water forced air circulation heater is disclosed and is particularly adapted for use with one or more electric immersion heating elements. The space heater includes a casing having an upper...
3560706 ELECTRIC FLUID HEATER AND FLOW RESPONSIVE SWITCH THEREFOR  
A hydraulic switch which functions upon change of hydraulic pressure which is created when a fluid enters the device or when a fluid is retained within said device. On the opening of a faucet...
3557753 AQUATIC CHAMBER  
An aquarium having a tank for living aquatic specimens, the tank filled with aquatic media suitable for the specimens, a filter in the tank which has an uppermost layer of living algae and aquatic...
3541303 LINT COLLECTING AND BURNING SCREEN  
3541304 ELECTRIC FLUID HEATER  
3533753 CATALYST FOR ENGINE EXHAUST-GAS REFORMATION  
3527922 HEATER FOR AEROSOL FOAM DISPENSING CONTAINERS  
3526196 AUXILIARY BURNER ASSEMBLY FOR INCINERATOR SYSTEMS  
3507627 HEATING AND CATALYTIC CHEMICAL REACTION APPARATUS  
3497672 DIVER SUIT WITH ELECTRICAL HEATER AND FLUID PUMP SYSTEM  
3497674 PROCESS AND APPARATUS FOR DIRECT ELECTRICAL HEATING OF GASEOUS SUBSTANCES  
3487934 SWIMMING POOL FILTER AND HEATER DEVICE  
3474378 WATER SERVICE FITTING WITH THAW WIRE CONNECTION  
3474229 HEATING ELEMENT FOR ELECTRIC CABLE FURNACES FOR HEATING A FLOW OF GAS OR LIQUID  
3448234 ELECTRICAL RESISTIVITY CONTROL OF FLUIDIZED BEDS  
3446937 WATER HEATER FOR COFFEE MACHINES  
3439149 HIGH TEMPERATURE ELECTRIC HEATER FOR GASES  
3418973 Water-tank for rearing fishes  
3395433 Apparatus for heat setting synthetic fibre yarns  
3373726 Fuel vaporizer for internal combustion engines  
3371789 Combination liquid filtering, heating and aerating device  
3369596 Apparatus for heating, homogenizing, and cooling ice cream  
3351739 Control system for electrically heated boiler  
3337714 Heating device  
3334400 Method of producing heat exchangers  
3324829 Cabinet type aquariums  
3312375 Heating means for aerosol lather dispensers  
3311525 Heat sealing apparatus including a porous member and fluid pressure  
3279177 Apparatus and method for propelling vehicles in space  
3268080 Self-clarifying filter system  
3259995 Moving material drying method and apparatus  
3257544 Heating circuits  
3251173 Device for the purification of hydrogen  
3241504 Incinerators  
3235084 Fuel filter with heating unit  
3197613 Electric fluid heating device  
3196251 Thermostatically controlled fluidized solid particle bath apparatus  
3174393 Excitation source for emission spectroscopy  
3169318 Dental handpiece and apparatus for supplying heated fluid thereto  
3163841 Electric resistance heater  
3161501 Method and apparatus for the refining of aluminum  
3136885 Heater  
3136836 Fluid powder electric furnace  
Matches 201 - 250 out of 285 < 1 2 3 4 5 6 >