Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 454/275
Name: Ventilation > Having inlet airway > Including specific cover or shield for exterior vent opening
Description: Subject matter wherein particular significance is attributed to a means positioned over an outdoor aperture of an air passage leading to a (ventilated) space so as to protect the air passage.










Sub-classes under this class:

Class Number Class Name Patents
454/276 Wall type 49


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8650833 Method for installing a roof vent Feb. 18, 2014
8511938 Flood flaps vent for sealed crawlspace Aug. 20, 2013
8460075 Cover for wall air conditioning vent Jun. 11, 2013
8353280 Grill and method of use thereof Jan. 15, 2013
8353279 Grill and method of use thereof Jan. 15, 2013
8349045 Turbine inlet air filter system Jan. 8, 2013
8342923 Cover for environmental control system vent Jan. 1, 2013
8333184 Cool touch fireplace Dec. 18, 2012
8292708 Magnetic register cover Oct. 23, 2012
8216034 Universal air vent cover system Jul. 10, 2012
8087981 Weep hole cover Jan. 3, 2012
8033900 Low profile animal restricting vent for fluid discharge conduits Oct. 11, 2011
8025263 Bi-directional mounting bracket assembly for exterior siding Sep. 27, 2011
8007352 Outside air introduction grill for inducting natural convection in air influx room Aug. 30, 2011
7926770 Multidirectional mounting bracket assembly for exterior siding Apr. 19, 2011
7874287 Air intake apparatus Jan. 25, 2011
7735790 Bi-directional mounting bracket assembly for exterior siding Jun. 15, 2010
7566034 Bi-directional mounting bracket assembly for exterior siding Jul. 28, 2009
7556560 Crawlspace foundation vent covers Jul. 7, 2009
7520805 Housing with hidden ventilation holes Apr. 21, 2009
7393272 Air filter assembly Jul. 1, 2008
7281972 Ultimate vent Oct. 16, 2007
7272949 Refrigerator and airflow passage for ice making compartment of the same Sep. 25, 2007
7232370 Adjustable roof jack with flexible boot Jun. 19, 2007
7232369 System and method for providing heating, ventilation and air conditioning Jun. 19, 2007
7097557 Insulated crawlspace vent apparatus, and methods of installing same Aug. 29, 2006
6758738 Damper with integral seal Jul. 6, 2004
6601356 Connector frame for ventilation opening Aug. 5, 2003
6192640 Double divisible connector frame for mounting air grilles and louvers to heating and cooling duct outlets Feb. 27, 2001
5885153 Eave ventilation system Mar. 23, 1999
5759098 Push-in cover vent Jun. 2, 1998
5649859 Air exhausting cap structure Jul. 22, 1997
5573562 Watertight filter for electrical equipment vent Nov. 12, 1996
5341767 Combustion air inlet diverter plate for a water heater Aug. 30, 1994
5328405 Ventilator with deck mount Jul. 12, 1994
5312295 Subterranean transformer enclosure vent May. 17, 1994
5070771 Roof ventilator Dec. 10, 1991
4989502 Weatherproofing doors for the air intake opening of ventilating systems Feb. 5, 1991
4955167 Roof vent pipe Sep. 11, 1990
4898085 Push-in flexible cover vent Feb. 6, 1990
4895066 Roof jack Jan. 23, 1990
4850265 Air intake apparatus Jul. 25, 1989
4738190 Fan casing with cover Apr. 19, 1988
4730552 Vent assembly Mar. 15, 1988
4710096 Fan mounting Dec. 1, 1987
4667581 Wind responsive soffit ventilator May. 26, 1987
4550648 Attic ventilation system Nov. 5, 1985
4537119 Weather protective cover ventilator Aug. 27, 1985
4537117 Fresh air device for mobile home or other dwelling Aug. 27, 1985
4184414 Flexible cover vent Jan. 22, 1980

1 2










 
 
  Recently Added Patents
Train car for proppant containers
Sense-amplifier monotizer
Image processing apparatus, image processing system, and image processing method
Method and device for operating a vehicle having a hybrid drive
Method for counting and segmenting viral particles in an image
Rule-based stimulation program search
Multilayer films having reduced curling
  Randomly Featured Patents
Microwave/millimeter wave amplifier with RF feedback
Method and apparatus for positioning paper in an imaging system having an intermediate transfer medium
Duplex aware adaptive playout method and communications device
Portable beverage delivery and mixing system
Timer calibration method and apparatus
Maximum-likelihood MIMO demodulation for frequency-selective channels
Compartmentalized arc chamber
Image processor with sharpness enhancement
Printer with multi-function paper feeding mechanism
Color separating/synthesizing element and liquid crystal projector using it