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British merchant Peter Durand invented the tin can in 1810.
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| Number | Title | Issue Date |
| 4519376 | Fireplace assembly A heat exchanger having an ambient air entrant opening and a heated air discharge opening which is adapted for use with, or is provided as an integral assembly for a fireplace is disclosed. The heat exchanger is in the form of a duct and includes a primar... | 05/28/1985 |
| 4418680 | Fireplace damper and air flow control A damper and air flow control for use with fireplaces or stoves having a plurality of heat tubes extending through the exhaust passage for smoke and other products of combustion includes a plurality of slats secured in spaced side-by-side relation to one ... | 12/06/1983 |
| 4406277 | Fireplace stove insert The present invention is directed to the provision of an improved stove insert for a fireplace opening, having means associated therewith for precisely controlling draft, thereby enabling the stove insert to be used for coal as well as wood.... | 09/27/1983 |
| 4386599 | Fireplace stove A woodburning stove adapted to be inserted into a fireplace having inner walls operatively forming a fire chamber and outer walls spaced from the inner walls to form air heating chambers through which air to be heated is forced by a fan disposed beneath t... | 06/07/1983 |
| 4354480 | Fireplace heating unit An efficient heating unit for ready installation in any standard fireplace includes a refractory lined fire box contained within an outer shell to form a heat exchanger between hot gaseous fuel combustion products and living space air entering the jacket ... | 10/19/1982 |
| 4233956 | Fireplace system A fireplace system comprising a hollow base pan and a shroud supported on the base pan and defining a combustion air chamber of inverted U-shaped configuration having open lower ends communicating with the interior of said hollow base pan. The shroud incl... | 11/18/1980 |
| 4191162 | Energy saving air-flow heater The within invention comprises a stove unit or fire box to be used to heat the inside of buildings. It is particularly designed to be used inside the hearth of fireplaces. It has slots and openings in its panel flanges for permitting the panels to be adju... | 03/04/1980 |
| 4166444 | Fireplace furnace with heat exchange tubes A wood-burning furnace unit for insertion in an existing fireplace includes a metal firebox surrounded at its opposite sides, top and back in spaced relationship by a metal jacket to define an airspace between the jacket and firebox wall and air inlet ope... | 09/04/1979 |
| 4143638 | Fireplace heat exchange system A fireplace heat exchange system is disclosed which is connectable to an existing forced air heating system of a building. The heat exchange unit includes a housing or enclosure within which is disposed a firebox. The enclosure and the firebox define a he... | 03/13/1979 |
| 4136665 | Wood-burning stove An airtight combustion chamber in a house has a draft hole formed through a first end and a draft door movably mounted thereon to selectively open the draft hole to a desired extent, controlled by a thermostat. The wall of the second spaced opposite end o... | 01/30/1979 |
| 4117827 | Fireplace construction A prebuilt fireplace construction for installation in a building structure. The construction includes a firebox having an open forward side and an outlet for combustion gases and a housing at least partially surrounding the firebox with the combustion gas... | 10/03/1978 |
| 4036205 | Fireplace stove A conventional fireplace opening is closed off by a flat steel plate the size of which will cover conventional fireplace openings. Two clamps permit the plate to be secured to the fireplace lintel. A firebox is bolted to the front of the plate so that it ... | 07/19/1977 |
| 4026264 | Portable fireplace heating unit A portable heating unit which may quickly and easily be installed in an existing fireplace construction is described. The heating unit, with a controlled adaptable damper system, greatly increases the burning efficiency of the fuel and is designed to prov... | 05/31/1977 |
| 3965886 | Home fireplace heating This invention is designed to increase the heating efficiency of an existing conventional fireplace. The device consists of a hollow metal air conveying channel which is designed to fit closely against the multiple inside walls of an existing fireplace in... | 06/29/1976 |
