Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7176421 | Straight ribbon heater A heater for heating a rigid fluid line or hose for freeze protection. The heater has a base made of an outer base layer, a middle base layer attached to the outer base layer; and an inner base layer attached to the middle base layer. The inner base layer can be unc... | 02/13/2007 |
| 7121327 | Heat sink assembly A heat sink assembly includes a plurality of fins (10), a pair of ducts (20), and a frame (30) receiving the fins and the ducts therein. Each fin defines a pair of through holes (11) therein. A tapered tab (14) and a plurality of l... | 10/17/2006 |
| 7048201 | Gasket and heat shield assembly for a flanged joint A heat shield and gasket assembly has three members including a first heat shield, a second heat shield, and a gasket. Each of the members has a flange portion and the flange portion of the gasket is sandwiched is between the flanges of the two heat shields. The fla... | 05/23/2006 |
| 6929542 | Air flow deflector Air deflector for deflecting an air flow from an air register including a pair of mounting members adapted to be mounted on opposite sides of a venting member of the air register device and a laterally expandable guide member arranged between the mounting members. T... | 08/16/2005 |
| 6913458 | Heat distribution system A portable griddle stove has two non-stick cooking surfaces, either of which can withstand being on the underside of the cooking surface in use and the heat applied to the underside surface. A heat shield and heat diffuser control the temperature applied to the unde... | 07/05/2005 |
| 6889911 | Radiator with cover and mounting board and method of installation A baseboard radiator having notched fins. The notches are retained by a flange on a back plate mounted to a wall. The fins are further retained by a flange in the upper portion of the back plate. ... | 05/10/2005 |
| 6808018 | Heat circulation apparatus A heat circulation apparatus includes a housing that has a perimeter wall for defining an interior space. The interior space includes an intake port and an exhaust port. The housing is designed for positioning under the steam radiator. A fan member is rotatably coup... | 10/26/2004 |
| 6550688 | Radiator with cover and mounting board and method of installation A baseboard radiator having notched fins, a mounting strip, a mounting clamp, and a cover is described. The resulting system offers ease of leveling and installation, secure mounting, reduced noise and wear, and is aesthetically pleasing.... | 04/22/2003 |
| 6422477 | Heat recovery reflector for baseboard heat convector The heat recovery reflector has a channel-like extrusion comprising a web and flanges bordering the web. The web has a heat reflective surface thereon and the flanges have a substantial depth relative to the thickness of the web. The distances between the... | 07/23/2002 |
| 6129167 | Motorcycle accessory The invention is an accessory for a motorcycle of the type having a nonvertical, slanted radiator with a first reservoir, a second reservoir, and a core between the first and second reservoirs, comprising: a cover portion having an upper end, a lower end,... | 10/10/2000 |
| 6085985 | Splash guard radiator cover The splash guard radiator cover of this invention comprises an aluminum outer cover which does not rust, to protect the metal covers which do rust, on existing baseboard radiators, and to hide existing rust. Magnets are included for "Easy On Easy Off" ope... | 07/11/2000 |
| 6003596 | Cover for a steam radiator and for circulating air therepast A cover for a steam radiator and for circulating air passing therepast. The cover includes a cover and blower apparatus. The cover covers the steam radiator. The blower apparatus is connected to the cover and circulates the air passing past the steam radi... | 12/21/1999 |
| 5721804 | Y-shaped portable electric space heater with value to reduce pressure within the boiler A space heater employs a generally Y-shaped housing. A boiler within the housing contains a working fluid at subatmospheric pressure when at ambient temperature. This reduces the boiling point of working fluid. A series of heat exchangers are mounted in t... | 02/24/1998 |
| 5454512 | Heat source cover A cover for a heating body comprising a thin wall at least partially screening the heating body from a region outside of the heating body. The thin wall comprises a polymeric material being substantially rigid and substantially resisting permanent deforma... | 10/03/1995 |
| 5307849 | Air conditioner cover A cover for the outdoor unit of a split-system air conditioner is disclosed having a flexible shroud and a resilient protective panel disposed in the top of the shroud to protect the top of the unit against damage from falling objects. The protective pane... | 05/03/1994 |
| 5257738 | Supply air terminal device A supply air terminal device for supplying fresh air to apartment buildings in particular. The device (1) is intended to be placed between a wall (100) and a radiator (20) and functions to cause fresh air, taken from outside, to pass along one side surfac... | 11/02/1993 |
| 5230468 | Combination of cassettes for insulation of radiators A combination of cassettes for insulation of radiator front faces without reducing the radiator heating effect. The combination of cassettes is constructed so that the metal plates fastened between the cavities (3) of cover (2) are folded so that lap (13)... | 07/27/1993 |
| 5226592 | Radiator heat distributing apparatus A housing member is arranged for mounting above and receiving an associated radiator assembly. The housing member includes spaced end walls, with each end wall including a fan member having a thermostatically operative fan to direct and project heat from ... | 07/13/1993 |
| 5009220 | Safety enclosure for coal, gas or wood-burning fireplace A reduced clearance system, or heat shield, for a coal, gas or wood burning fireplace having a cast iron surround, a hood and a grate, said heat shield including a sheet metal box, preferably a double wall sheet metal box with insulation between the wall ... | 04/23/1991 |
| 4714194 | Housing for wall mounted heating unit A sheet metal housing for containing a heater unit including an electric resistance heating element and a fan for circulating air through the heating element, and for protectively supporting such a heater unit within the interior space of a vertical build... | 12/22/1987 |
| 4605232 | Infrared radiation responsive target Novel techniques for scattering infrared radiation are employed to form a diffuse retro-reflector suitable as a target for night viewing by an infrared responsive detector.... | 08/12/1986 |
| 4572429 | Method and means for conserving energy requirements and improving working conditions of a sock finishing factory The energy requirements of a sock finishing factory consisting at least of a dye house, boarding room and a warehouse are greatly reduced and the working conditions of employees are improved by utilizing waste heat from the boarding room to provide heat f... | 02/25/1986 |
| 4541408 | Fire-guard A device is provided for heating a room by convection using the heat from a conventional radiation heat source. The heating device further acts as a fireplace guard when the heat source is a fire to substantially prevent sparks or other small particles of... | 09/17/1985 |
| 4518847 | Electrically-powered portable space heater A portable electrically-powered space heater includes an electrically-powered boiler generating steam at subatmospheric pressure from a mixture of water and ethylene glycol that is circulated through a closed loop heat exchanger, portions of which compris... | 05/21/1985 |
| 4467781 | Safety apparatus for portable fuel-burning heaters A safety apparatus for portable, fuel-burning heaters is provided which comprises a foraminate container for enclosing the heater. The container includes a tray- or pan-like base having a rectangular back wall and obliquely-shaped side walls, a vaulted or... | 08/28/1984 |
| 4418679 | Ceramic wall spacer kit A mounting kit for stove boards includes ceramic spacers separating the board from a wall so that cool air can circulate behind the board and spacing cradles supporting the board off the floor so air can additionally flow beneath the board. Mounting brack... | 12/06/1983 |
| 4416251 | Thermoshield A thermoshield primarily intended to be used for protecting a wall from the heat that may develop by a free-standing heating appliance or space heater that may be situated in proximity to the wall. However, certain structure of the device may be adapted t... | 11/22/1983 |
| 4411252 | Wall protector and heat circulator The present invention comprises a linear element having openings in the upper surface, and which is closed at one end by a cap and at the other end by a fan unit which draws air from the room and projects it upwardly through the openings in the linear uni... | 10/25/1983 |
| 4399805 | Panel insulation apparatus Protective panels are disclosed for insulating walls and other combustible surfaces from a nearby stove or other heating device. Simple, economical shallow U-shaped pieces, one positioned upon the other, create two distinct conduits through which air flow... | 08/23/1983 |
| 4391323 | Baffle for heating pipes A reflector for mounting above a heating pipe is elongated and in transverse direction subdivided in three sections each of which is arcuately curved in the transverse direction. The center of curvature of the middle section coincides with the vertical sy... | 07/05/1983 |
| 4314543 | Stove safety guard A safety guard for free-standing stoves characterized by an array of bowed, open, hollow tubes secured in a tubular array by horizontal support bars. The array is attachable to the stove. A hinged front section allows for access to the stove.... | 02/09/1982 |
| 4304216 | Fire-guard A device is provided for heating a room by convection using the heat from a conventional radiation heat source. The heating device further acts as a fireplace guard when the heat source is a fire to substantially prevent sparks or other small particles of... | 12/08/1981 |
| 4116507 | Radiator concealing article of furniture A bookshelf unit has a pair of parallel sides spaced from each other, a distance greater than the length of a heating system radiator. The sides have a width greater than the width of the radiator. A plurality of book shelves extend between, and are suppo... | 09/26/1978 |
