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Class Number: 454 Class Title: VENTILATION Subclass Subclass Number Title 1 CHIMNEY OR STACK 2 .Vehicle 3 .Chimneytop or stacktop structure (e.g., cowl) 4 ..Cap closure 5 ...Pivoted 6 ....Plural, separately pivoted portions 7 ....Having remote control 8 ..Inlet and outlet 9 ...Having air current responsive adjustment means (e.g., wind vane, etc.) 10 ..Inlet 11 ...Having air current responsive adjustment means (e.g., wind vane, etc.) 12 ..With means for mounting on brick-type chimney 13 ...Chimneytop structure extends within chimney 14 ....Means for mounting to inner wall 15 ..With rotary means in air current (e.g., fan, etc.) 16 ...Driven by external power source 17 ...Having air current responsive adjustment means (e.g., wind vane, etc.) 18 ...Cage-type blade set 19 ....Including additional blade set 20 ..Having air current responsive adjustment means 21 ...Wind vane 22 ....With air current inducing jet 23 .....Centered within induced air current 24 ....Shield 25 ....Hood having outlet opening perpendicular to wind 26 ...Current regulator 27 ..Having readily movable air current regulating means 28 ...With temperature sensitive release 29 ...Continuously horizontal panel 30 ...Pivoted 31 ....Plural 32 ..T-top 33 ..Spiral or plural stacked rings 34 ..Four-side outlets with shield 35 ..Spaced cap 36 ...And spaced shield 37 ....And skirt deflector extending outwardly from chimney or stack 38 ...And skirt deflector extending outwardly from chimney or stack 39 ..Having air current inducing jet 40 ...Plural, in-series jets 41 .Having liquid drain 42 .Having internal air current guide 43 .Having flue heater 44 .Having lining or sleeve 45 ..Including breech opening 46 ..Pressurized air lining 47 ..Axially connected chimney or stack sectionss 48 EXTERIOR VAULT OR MANHOLE COVER 49 WORKSTATION VENTILATOR (E.G., HOOD, OFFTAKE, ETC.) 50 .Spray booth 51 ..Having air inlet separate from access opening 52 ...Ceiling inlet 53 ..With outlet air treatment means 54 ...With means for liquid contact 55 ....Spraying nozzle 56 .Covered workbench chamber (e.g., fume hood, etc.) 57 ..Having air inlet separate from access opening 58 ...Including flow adjustment means 59 ....Responsive to position of access door 60 ...And air outlet through access opening 61 ..Having outlet airway flow adjustment means 62 ...Plural airways with adjustable distribution means 63 .Movable 64 ..Having sliding, communication, airway duct sections 65 ..Having canopy exhaust hood 66 .Having inlet airway 67 .Having canopy exhaust hood 68 ELEVATOR 69 VEHICLE (E.G., AUTOMOBILE, ETC.) 70 .Pressure regulation 71 ..Ventilation of aircraft cabin 72 ...Auxiliary control system 73 ...Mechanical operation of control system (e.g., by bellows or diaphragm, etc.) 74 ...Control system having electrical or electronic component 75 .Having automatic control means 76 .Aircraft 77 ..Freight 78 .Waterborne 79 ..Freight 80 ...Nonperishable bulk foodstuff (e.g., grain ship) 81 ..Porthole ventilator 82 ..With moisture deflector or drain 83 .Railcar, bus, or trailer 84 ..Locomotive cab 85 ...Condensation preventer (e.g., defroster, etc.) 86 ...Including dust guard for cab window opening 87 ..Sleeping car 88 ..Freight 89 ...Ice-bunker closure (e.g., for refrigerated railcar) 90 ...Refrigerated or heated 91 ....With air pump 92 ...With air pump 93 ..Condensation preventer (e.g., defroster, etc.) 94 ..Having exterior cap closure for vent 95 ..Having window or entry-door ventilation structure 96 ...Including dust guard for window opening 97 ....Inside of window 98 ....Outside of window 99 ..Having forced recirculation 100 ...Having forced recirulation means alone 101 ....Wind-operated fan 102 ....Wheel-axle operated fan 103 ..Having both inlet and outlet airways 104 ...Including unitary inlet and outlet housingg 105 ...With air pump 106 ....Wind or wheel-axle operated 107 ..Having inlet airway 108 ...Including specific air distributor 109 ....Having adjustable deflector 110 ...Liquid contact 111 ...With deflecting separator-type filter 112 ...With air pump 113 ....Wind operated 114 ....Wheel-axle operated 115 ..Having outlet airway 116 ...With current inducing jet 117 ...With air pump (e.g., wind or wheel-axle operated, etc.) 118 .Freight 119 .Having external connection 120 .Seat structure 121 .Condensation preventer (e.g., defroster, etc.) 122 ..Air directed between double paned window 123 ..Air directed at window exterior 124 ..Side or rear window 125 ..Having sweeping air distributor 126 ..Having means for combining heated and unheated air 127 ..Having dashboard air distributor (e.g., for windshield, etc.) 128 .Means for open window (e.g., deflector, etc.) 129 ..Sunroof 130 ..Windshield or rear window 131 ..At upper edge of sliding window 132 ...Having means to selectively adjust airflow 133 ...Having plural air passages 134 ..Pivoted window 135 ..Adjacent front edge of window 136 .Roof structure 137 ..Including duct extending along roof 138 ...Having exterior inlet opening over windshield 139 .Having forced recirculation 140 ..Forced recirculation alone or agitating fan 141 .Having both inlet and outlet airways 142 ..Including unitary inlet and outlet housing 143 .Having inlet airway 144 ..Including duct extending along floor 145 ..Selective inlet, outlet, and closure 146 ..Including exterior cowl inlet 147 ...With moisture deflector or drain 148 ...Ducting to heat exchanger 149 ...Having exterior door 150 ..Including exterior windshield inlet 151 ..Including exterior rear or rear-side inlet 152 ..Including specific air distributor 153 ...Sweeping type 154 ...Having swiveling nozzle 155 ...Having adjustable deflector 156 ..With air treatment means 157 ...Liquid contact 158 ...Porous filter 159 ...Heating 160 ....Having means for combining heated and unheated air 161 ....Having heat exchange core 162 .Having outlet airwayy 163 ..With current inducing jet 164 ..Exterior side outlet 165 ..Exterior rear outlet 166 VEHICULAR TUNNEL 167 .With air pump 168 MINE 169 .With partition means (e.g., brattice, etc.) 170 ..Flexible sheet 171 .Having inlet and outlet ductwork 172 .Having inlet ductwork 173 STORAGE AREA FOR PERISHABLES 174 .Harvested crop ventilation 175 ..Having perforated or slotted duct contacting crop 176 ...Including insertion means 177 ...Horizontal and vertical perforated or slotted ducts 178 ....With air pump 179 ...Horizontal duct 180 ....With air pump 181 ...With air pump 182 ..Granular crop or corn ears 183 .Provision safe 184 ELECTRONIC CABINET 185 HOLLOW PARTITION 186 .Having blower 187 CLEAN ROOM 188 HAVING PROTECTING AIR CURRENT 189 .Surrounding protected area 190 .Including plural, layered currents 191 .Including suction outlet 192 .Including current adjusting mean 193 .Cabinet enclosure (e.g., display case, etc.) 194 BLAST OR SHOCK WAVE PREVENTION 195 MEANS COMBINED WITH DOOR 196 MEANS COMBINED WITH WINDOW 197 .For bed or couch 198 .Condensation preventer 199 .Skylight 200 .With air pump 201 ..Cooling air conditioner 202 ...Having readily moveable flow control means 203 ...With extensible side panel 204 ...With mounting or support means 205 ..Recirculation means 206 ..With specific noise inhibiting structure 207 ..With specific filtering means 208 ..Propeller fan having rotary axis perpendicular to window 209 ...With mounting means for pump reversal 210 ...With extensible side panel 211 .Having air passage in sash 212 .Having air passage means within, attaching to, or replacing pane 213 .Having air passage at window top 214 .Having air passage between sill and bottom of sash 215 ..Including wall sloping downward from window 216 ..Including wall for upwardly deflecting inlet air 217 ...Having adjustable angle or swingable mounting 218 ....Including collapsible or flexible, perpendicular side wall 219 ...Having readily moveable air regulating meanss 220 ...Having slidably interconnected sections 221 ..Including louvers 222 ..Including readily moveable air regulating means 223 ..With means for liquid contact 224 .Having louvers 225 .Tilting pane window 226 .Having wind deflector 227 .Including backdraft preventer 228 HAVING FORCED RECIRCULATION 229 .Including automatic control means 230 .Forced recirculation alone 231 ..Having recirculating duct connecting upper and lower room air strata 232 ..Having plural or branched recirculation ducts 233 ..For use with heating or cooling means 234 .Including unitary housing having both inlet and outlet airways 235 ..Having air pump means for both airways 236 .For use with heating and cooling means 237 HAVING BOTH INLET AND OUTLET AIRWAYS 238 .Pressure regulation 239 .Including automatic control means 240 .With wind-operated air pump 241 .Including unitary inlet and outlet housing 242 ..Rooftop 243 ..Sleeved vent for ceiling, wall, or floor (e.g., thimble) 244 ...With air pump means for both inlet and outlet airways 245 ..Air distributor with return vent (e.g., register, etc.) 246 ...Baseboard type 247 ...Floor type 248 ...Ceiling type 249 ..With air pump 250 .Natural ventilation including air passage through rooftop (i.e., no air pump) 251 .With air pump means 252 ..For both inlet and outlet airways 253 ..For outlet airway 254 HAVING INLET AIRWAY 255 .Pressure regulation 256 .Including automatic control means 257 ..Emergency smoke or fire responsive valve 258 ..Air temperature responsive 259 .Including backdraft preventer 260 .Through roof eaves or rafters 261 .Including structure for mixing plural air streams together 262 ..And having specific noise inhibiting structure 263 ..With shaped nozzle 264 ...And readily movable air regulating louver, damper, or cover 265 ..With readily movable air regulating louver, damper, or cover 266 ...Pivoted 267 ....Plural 268 .....Including parrallel louver vanes 269 ..With air pump 270 .Sleeved vent for ceiling, wall, or floor (e.g., thimble) 271 ..Wall type 272 ...With air pump 273 ...Having adjustable valve 274 ....Sliding or axially moveable 275 .Including specific cover or shield for exterior vent openingg 276 ..Wall type 277 ...Louver 278 ....Having moveable vanes 279 ....Having serially aligned vane sets 280 ....Formed in sheet member 281 ....Having specific vane supporting means 282 .....In between vane ends 283 ....With screen mounting means 284 .Including specific air distributor (e.g., register, etc.) 285 ..Sweeping type 286 ..Having airway joint with ball or cylinder rotatable in a socket 287 ..Baseboard type 288 ...Including portion or element movable during normal use 289 ..Floor type 290 ...Having adjustable valve 291 ...With means for liquid contact 292 ..Ceiling type 293 ...With light fixture 294 ....Air passes over lamp 295 ....Having adjustable valve 296 ...Including perforated or porous element 297 ....Having portion or element movable during normal use 298 .....Axially movable or sliding valve 299 ...Including plural vanes 300 ....Concentric 301 ...Including elongated output slot 302 ....Single, annular output slot 303 ....Having portion or element movable during normal use 304 .....Pivoted 305 ..Air nozzle 306 ..Having air duct extending into room 307 ..Having air deflecting wall extending into room 308 ..Having vanes or elongated output slots extending radially 309 ..Louvered air distributor 310 ...Concentric 311 ....Having separate, adjustable internal damper 312 ....Having adjustable vane 313 ...Moveable 314 ....Aligned mutiple, movable sets of vanes 315 .....Serially arranged sets 316 ....Repositionable set 317 ....Rotating disks 318 ....Louver vanes form valve 319 ....Plural vanes pivoting about individual axes 320 .....Pivot at leading or trailing vane edge 321 ...In housing within room 322 ..With adjustable valve 323 ...Axially movable 324 ...Sliding 325 ...Plural blades pivoting along parrallel axes 326 ....Adjacent blades pivot in opposing directions 327 ...Valve opens by pivoting in upstream direction 328 ..With means for liquid contact 329 ..With air pump 330 ..Having register box, frame, or grating 331 ...Including specific grating or grating mounting structure 332 ....Readily moveable gratingg 333 .With adjustable valve (e.g., damper, etc.) 334 ..Axially movable or sliding 335 ..Plural blades pivoting along parallel axes 336 ...Adjacent blades pivot in opposing directions 337 .With means for liquid contact 338 .With air pump 339 HAVING OUTLET AIRWAY 340 .Pressure regulation 341 .With air pump 342 ..And having specific emergency smoke handling structure 343 ..Having specific air pump actuator 344 ..Pump induces draft in exit duct 345 ..Having plural suction intakes 346 ..Having vibration absorbing or preventing structure 347 ..Having readily movable air regulating louver,damper, or cover 348 ...Continuously horizontal damper panel 349 ...Ceiling mounted air pump 350 ...Wall mounted air pump 351 ....Plural damper panel 352 ...Plural damper panel 353 ...Including backdraft preventer 354 ..Ceiling or wall mounted 355 ..With movable access cover 356 ..Having exterior neck with enlarged, weather resistant cover 357 .Having emergency smoke handling feature 358 .Having readliy movable air regulating louver, damper, or cover 359 ..Including backdraft preventer 360 ...Including counter balancing means 361 ..Internal damper 362 ...Continuously horizontal damper panel 363 ...Pivoted damper panel 364 ..Along roof ridge 365 .Along roof ridge 366 .Slant roof ventilator 367 .Having specific cover or shield for exterior vent opening 368 ..Exterior neck with enlarged, weather resistant cover 369 FIRE DAMPER 370 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 VENTILATOR USING SOLAR POWER 901 FOG DISPELLER 902 AIR RAID SHELTER VENTILATION 903 FLEIXBLE DUCTS USED FOR CARRING AIR 904 MAGNETIC MEANS TO HOLD A DAMPER CLOSED 905 BLACK OUT MEANS 906 NOISE INHIBITING MEANS 907 SEAT 908 HAVING ROTARY RETARDER 909 RADON PREVENTION