Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 126/530
Name: Stoves and furnaces > Fireplaces or accessories > With heat exchanger for room heating air > Air flow path between exterior surface of heat exchanger and facing building surface > With air flow regulator
Description: Subject matter including means to control the amount of air flowing through said flow path.


Patents under this class:

Patent Number Title Of Patent Date Issued
6029654 Vented fireplace construction Feb. 29, 2000
6003507 Gas heater having firebox with controllable outside air mixing vent Dec. 21, 1999
5904137 Fireplace heat exchanger May. 18, 1999
5901701 Unvented fireplace construction May. 11, 1999
5224650 Fireplace furnace heating system Jul. 6, 1993
5191877 Insertable gas conversion unit Mar. 9, 1993
4807589 Draft operated fireplace insert Feb. 28, 1989
4738241 Woodburning stove with economizer Apr. 19, 1988
4230092 Method and apparatus for improvements in convective heating Oct. 28, 1980
4141336 Fireplace stove Feb. 27, 1979
3998203 Air heater for fireplaces Dec. 21, 1976



 
 
  Recently Added Patents
Rotating and self-supporting media player
Power transmission device and process implementing such device
Wood preservative composition
Stamped fuel cell bipolar plate
Swimming goggle
Imaging member
Container
  Randomly Featured Patents
Method and apparatus for imparting a seismic pulse to the earth
Tire-detecting wheel chock apparatus
Dolphin air freshener dispenser
Memory cell having a vertical transistor with buried source/drain and dual gates
Bus interface controller for determining access counts
Random access memory
Identifying changes in composition of liquids
Taxidermy mannikin mold for locating eyepieces in correct position
Floppy disk unit
Optical switch