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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8181639 | Grates with heat shield In accordance with one aspect of the present invention, a cooking apparatus is provided. The cooking apparatus comprises a cooking surface, at least one grate, and a guard. The cooking surface includes at least one heat source and a control panel. The at least one g... | 05/22/2012 |
| 7721727 | Cooking stove According to a gas table 1, combustion gas (including the flame) is jetted from a flame port 17 of a burner 14 diagonally upward entirely twisted in the burner circumferential direction. The combustion gas flows into plural combustion gas routes... | 05/25/2010 |
| 6405724 | Vertical stack--vertical draft fireplace grate A vertical stack--vertical draft fireplace grate which has a forwardly inclined log retaining portion with a lowermost log in close proximity to the floor of the fireplace and which cooperates with the rear wall of the fireplace to hold logs in a V-shaped... | 06/18/2002 |
| 6405661 | Combustion enhancing air foil A combustion enhancing member employed with a stoker combustion system is disposed on the grate of the stoker and includes at least one chamber. The chamber has at least one fluid inlet for receiving a combustion enhancing fluid and a plurality of fluid o... | 06/18/2002 |
| 6371107 | Firelog with grate A firelog and grate system wherein the firelog is supported by the grate in a generally upright orientation includes a bed and at least a first support member. The firelog contains at least a first support surface. The first support surface of the firelog... | 04/16/2002 |
| 6336449 | Solid fuel burner for a heating apparatus A burner system is described for burning granular pellets and similarly sized solid biomass heating fuel, e.g. wood pellets. It includes an air tight fire chamber having an exhaust outlet in an upper region thereof and a burner (10) in the bottom thereof ... | 01/08/2002 |
| 6332410 | Grate for incineration plants The invention relates to a grate for incineration plants for the incineration of combustible material, in particular refuse, comprising at least one grate track, which is composed of fixed and movable grate-lining rows, which are arranged alternately in t... | 12/25/2001 |
| 6269756 | Liquid cooled grate plate A water-coolable grate plate including a top surface, oppositely disposed sides and at least one cooling channel which is thermally connected to the top surface. The cooling channel connects a first coolant port, which is substantially centered between th... | 08/07/2001 |
| 6217318 | Grate bar for pelletizing and sintering furnaces "AN IMPROVEMENT IN A GRATE BAR FOR PELLETIZING AND SINTERING FURNACES" comprised of a single body (10) provided with a higher horizontal girder (1) of rectangular cross-section supported in its ends by I-shaped legs (2) which are provided in their higher ... | 04/17/2001 |
| 6196215 | Firelog with grate A firelog and grate system wherein the firelog is supported by the grate in a generally upright orientation includes a bed and at least a first support member. The firelog contains at least a first support surface. The first support surface of the firelog... | 03/06/2001 |
| 6145451 | Water-cooled firing grate A water-cooled firing grate made up of grate bar blocks extending over the width of the grate and each having a plurality of grate bars mounted on a grate bar carrier and interconnected by connecting pieces communicating between meandering shaped channels... | 11/14/2000 |
| 6102032 | Fire log arrangement A fire log arrangement for use in conjunction with a combustible fuel source and influences complete combustion of the combustible fuel. The fire log arrangement includes a first log and a second log. The first log and the second log define an interior fa... | 08/15/2000 |
| 6067979 | Combustion system A combustion system includes a primary combustion chamber divided into left and right sides by fuel-retaining standards defining a canyon or void extending into a secondary combustion chamber is provided. The floor of the primary combustion chamber and th... | 05/30/2000 |
| 5983811 | Method and roller grill for burning refuse A roller grate arrangement for garbage-incinerating plants, in which a plurality of rollers with horizontal and parallel axes lie in an inclined plane. Primary air is fed to interiors of the rollers by air boxes located below the grate. The rollers have s... | 11/16/1999 |
| 5967064 | Roller grate A roller grate arrangement for garbage-incinerating plants, in which a plurality of rollers with horizontal and parallel axes lie in an inclined plane. Primary air is fed to interiors of the rollers by air boxes located below the grate. The rollers have s... | 10/19/1999 |
| 5968577 | Cake baking process and device A process is disclosed for baking cakes in which a baking frame is placed on the oven grating. The space delimited by the baking frame and the oven grating is filled with cake dough and the cake is baked therein.... | 10/19/1999 |
| 5913274 | Incineration grate with internal cooling A grate for a firing plant, having at least one grate track with a plurality of fixed and moving rows of grate-lining units, which rows alternate in the longitudinal direction, are bounded on both sides by side walls and are provided with cooling passages... | 06/22/1999 |
| 5899149 | Incineration grate with ducts for conveying a heat transmission medium A fuel-conveying incineration grate has grate beams (1) for extending in a longitudinal direction obliquely downward in the longitudinal direction. The grate beams (1) have first surfaces (4) on first sides of the grate beams (1) stepped downwardly in sai... | 05/04/1999 |
| 5899150 | Grate element and grate with fluid cooling The grate element (1, 2) is made in three pieces in the sample embodiment, and consists of a central main part (10) and two side parts (11, 12) attached thereto. The main part (10) is pierced by parallel straight-line bores, which form the straight-line c... | 05/04/1999 |
| 5850830 | Heat reflector for use with fireplace grate for high temperature combustion A low thermal mass heat reflector for use with a fireplace grate which has a combustion zone directly thereabove when fuel is burned thereon in a fireplace. The heat reflector comprises a first portion for absorbing radiant energy from the combustion zone... | 12/22/1998 |
| 5722389 | Pullout fireplace grate An apparatus is described that enables the user to pull a fireplace grate partially out of a fireplace for ease of loading with fuel, and then to push the fuel-loaded grate back into the fire-making position. The apparatus consists of a platform on whose ... | 03/03/1998 |
| 5722390 | Fireplace wood holder A fireplace wood holder which holds firewood in a vertical position so that the firewood's fibers and water-conducting channels are oriented substantially up and down to allow more complete burning and combustion, and therefore more efficient heat and mas... | 03/03/1998 |
| 5701881 | Fire grate having fluctuational profile in circumferential direction thereof At least one ring-shaped fin is disposed on the upper surface of a variety of circular planform stationary fire grate having a multiplicity of ash discharge openings thereon and for use in combustion chamber of either water jacket or fire brick type cylin... | 12/30/1997 |
| 5617841 | Grate with self ignitor for burning pellet fuel Stoves fueled by biomass pellets are provided with a grate assembly that supports the pellets for combustion and directs combustion gas into the fire. The grate assembly includes a passive grate of equally or unequally spaced rods. The design of the rods ... | 04/08/1997 |
| 5575275 | Firelog burner tray with heat reflector A firelog burner tray for supporting a firelog over ground, including: (a) a flat horizontal base plate, for supporting the firelog, the base plate being full and defining an aft edge portion; (b) an elongated heat-reflector, upwardly extending from the a... | 11/19/1996 |
| 5538128 | Grate for a furnace For the detachable fastening of the grate bars (4) of a grate for refuse incineration plants, the edge bars of the fixed bar rows (3), which are composed of grate bars arranged side by side and coupled in pairs in each case by a bolt (12) fastened on one ... | 07/23/1996 |
| 5513625 | Ash catcher grate An improved fireplace grate which controls the scattering of ashes from fire logs is disclosed. A shroud is attached to the outer edges of a fireplace grate so that ashes from burning logs are deflected inward toward the grate instead of outward onto the ... | 05/07/1996 |
| 5494027 | Rangetop burner grate for uniform heating during simmer operation Simmer performance in gas ranges is improved by providing a burner grate with a flame impingement ring centered over the gas burner. The burner grate includes a base and a plurality of fingers attached to the base. The flame impingement ring is attached t... | 02/27/1996 |
| 5488943 | Self-distributing combustion grate for pellet fueled stoves Stoves fueled by biomass pellets are provided with a grate assembly that supports the pellets for combustion and directs combustion gas into the fire. The grate assembly includes a passive grate of equally or unequally spaced rods. The design of the rods ... | 02/06/1996 |
| 5452968 | Cement-containing construction ropes and applications therefor Flexible concrete structures resemble elongated rope-like articles having an outer textile casing in the form of a mono-tubular body with a continuous inner bore filled with dry cementitious material. The concrete ropes are naturally permeable to water fo... | 09/26/1995 |
| 5408989 | Fireplace grate A fireplace grate having legs and cut-out portions adjacent the legs, the cut-out portions of one fireplace grate receive the legs of a second fireplace grate when the two fireplace grates are nested together.... | 04/25/1995 |
| 5383446 | Self concentrating combustion grate for pellet fueled stoves Stoves fueled by biomass pellets are provided with a grate assembly that supports the pellets for combustion and directs combustion gas into the fire. The grate assembly includes a passive grate of equally or unequally spaced rods. The design of the rods ... | 01/24/1995 |
| 5377663 | Grate combustion system The sidewall end grate block includes a first side which can be placed adjacent to a press plate and a second side which is adjacent to another grate block. The first side includes press plate attachment provisions while the second side includes a tension... | 01/03/1995 |
| 5299555 | Frame element for forming a grate A frame element (8) for forming a grate, including two spaced-apart side members (12,14) and several plate members (6) arranged one next to the other between the side members in longitudinal direction thereof, between which plate members is provided a gas... | 04/05/1994 |
| 5295474 | Combustion grate with rods for pellet fueled stove Stoves fueled by biomass pellets are provided with a grate assembly that supports the pellets for combustion and directs combustion gas into the fire. The grate assembly includes a passive grate of unequally spaced rods. The design of the rods serves to p... | 03/22/1994 |
| 5197455 | Charcoal starter An improved charcoal starter that employs a grate having a conical shaped charcoal briquette receiving and stacking portion, to permit an enhanced rise of heat to impact the coals to get them to burn. The heat may come from paper kindling as conventionall... | 03/30/1993 |
| 4892088 | Fireplace grate A fireplace grate including a ribbed framework providing a support surface for fireplace fuels and a plurality of legs for supporting the framework above a fireplace floor utilizes a plurality of recesses disposed across the support surface which each ext... | 01/09/1990 |
| 4881522 | Method for activating the combustion in a heating apparatus using solid fuel, and chimney for implementing such method A hearth having an air supply through the bottom, a metal dish arranged at a predetermined height above the bottom and defining an area for preheating combustion air which then flows upwardly around the contour of the dish to form a curtain of preheated a... | 11/21/1989 |
| 4726349 | Portable grill device A portable grill device comprises a firebox which has a hexagonal plan form and six side walls and is made of sheet steel and of even height and is provided with at least three detachable legs, a vertically adjustable cooking grid and a pot-holder that pi... | 02/23/1988 |
| 4683866 | Charcoal cooker A charcoal cooker has a cooker bowl and a lid dimensioned to cover the bowl during cooking. Food is supported within the cooker on a support structure such as a rotisserie rod or a grid. A primary grate is disposed within the bowl below the food support s... | 08/04/1987 |
