U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 454/100 - Having forced recirulation means alone


Subclass of Class 454 - Ventilation
Definition: Subject matter wherein the air moving apparatus contacts
No. of patents: 8
Last issue date: 02/14/2006


NumberTitleIssue Date
6997005Efficient cooling system
An efficient refrigeration system for mounting on the wall of a food storage structure, includes cooling coils and heat exchange vanes, and a lower inlet and an upper outlet. A centrifugal fan and motor are removably mounted as a sub-unit on mating tracks, on the su...
02/14/2006
6979259Air conditioner
The air conditioning case (11) includes: a right and a left case body (112, 111) made of resin; and a partitioning plate (113) made of metal, and the partitioning plate (113) is a partitioning portion for partitioning the face blowout ope...
12/27/2005
6857953Return air apparatus with down draft diverter
A return air apparatus is provided with a ceiling template, which is mounted to an air comfort appliance unit at the ceiling of a recreational vehicle, a down draft diverter, a return air cover, and a return air grille. The ceiling template has a discharge opening a...
02/22/2005
6491578Vehicle air conditioner having air suction port for each seat
In a vehicle air conditioner, each of cool air outlets is provided at an upper side of each seat at second and third seat lines from a most front seat so that cool air from an air conditioning unit is blown from the cool air outlets toward upper sides of ...
12/10/2002
5531641Recreational vehicle air conditioner ceiling grille with register
An air conditioning system for a recreational vehicle is provided having a rooftop mounted air conditioning unit with an outlet for conditioned air and an inlet for return air and an air distribution system. The air distribution system includes ducts moun...
07/02/1996
4935599Air-conditioning device, especially for railroad cars
The air-conditioning device, in particular for a railroad car (2), includes a fan (1) for blowing cold or heated air into a conduit (4), the upper portion of which opens into a space (7) delimited by two parallel walls (8, 9) which are adjacent to the lat...
06/19/1990
4630530Filtering systems for buses
A filtering unit for a bus, the unit comprising one outer housing of a size to fit between the row of seats in the bus and a forwardly facing wall of a bus lavatory behind the seats, the housing having air inlet and air outlet openings for communication w...
12/23/1986
4377935Produce cooler
A produce cooler for cooling produce placed on the floor in an enclosure and wherein the enclosure includes a cooling compartment for cooling air passing therethrough. The floor is formed of sections spaced apart to form slots therebetween through which c...
03/29/1983
 
Sign InRegister
Username  
Password   
forgot password?