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| Number | Title | Issue Date |
| 7732076 | Heating solid oxide for fuel cell stack This invention relates to a solid oxide fuel cell system comprising at least one longitudinally extending tubular solid oxide fuel cell and a longitudinally extending heater mounted in thermal proximity to the fuel cell to provide heat to the fuel cell during start ... | 06/08/2010 |
| 7649634 | Methods and systems for white light interferometry and characterization of films Methods are provided for estimating a surface profile of a sample in an interferometer having a broad bandwidth light source. The interferometer detects interference pattern intensity data over a series of frames of a relative scan between the sample and a reference... | 01/19/2010 |
| 7503765 | Educational game An educational game is provided, comprising a plurality of qualification cards least one subject, said qualification cards having a qualification question and a corresponding qualification answer; and a plurality of preparatory cards for at least one subject, said p... | 03/17/2009 |
| 7324733 | Frameless hollow roof mirror and method of manufacture The present invention relates to optical components for reversing and inverting images, and to methods of manufacturing them accurately, robustly and cost-effectively. The method includes optical contact bonding a first optical element and a second optical element a... | 01/29/2008 |
| D553476 | Hanger collection bar support | 10/23/2007 |
| D549494 | Set of support legs | 08/28/2007 |
| 4415066 | Manhole service vehicle An improved manhole service vehicle having an enclosed working space and an opening in its floor sized at least as large as a work man to permit him to service a manhole while the service vehicle shelters both the workman and the manhole. A laterally mova... | 11/15/1983 |
| 4373430 | Humidifier for a proof box A fast warmup, high capacity, no splash, self-cleaning humidifier for a proof box. The device has an aluminum steam generating heater pan including at least one electrical heating element cast into its base. A reservoir and a float controlled valve attach... | 02/15/1983 |
| 4373466 | Storeroom bin marker A storeroom bin marker which includes a base member having indicia thereon, and a rotatable view blocking member which can be selectively rotated to cover some, all, or none of the indicia, to thereby indicate the supply or reorder status of a stocked ite... | 02/15/1983 |
| 4371001 | Check valve assembly A check valve assembly adapted for connection to a high pressure reciprocating pump cylinder, comprising valve body means, inlet check valve means and outlet check valve means. The valve body means has an inlet end adapted for connection to the pump cylin... | 02/01/1983 |
| 4345668 | Very low flow rate lubricant metering apparatus and method for a tool and workpiece A precision, very low flow rate, lubricant metering apparatus and method for metering lubricant to a tool and workpiece while various machining operations are performed by the tool on the workpiece. The apparatus has a pneumatic air logic unit which deliv... | 08/24/1982 |
| 4342177 | Prefabricated steel frame building construction components and methods A prefabricated steel frame building structural system which is assembled with nuts and bolts and required no shop welding or site fabrication. The columns and beams in the building are fabricated from lengths of very high strength, light gauge, stiffened... | 08/03/1982 |
| 4334443 | Torque stabilized water meter wrench A water meter wrench adapted to loosen or tighten the meter's box ring or its equivalent while the meter is in its installed location - usually below the ground in a meter box. The wrench comprises a tubular main stem having a torque stabilizing bar attac... | 06/15/1982 |
| 4280656 | Chimney heat economizer A lightweight, modular chimney heat economizer adapted to replace a portion of the chimney for a combustion heat source in a building. The economizer includes a plurality of flue tubes having their ends welded to a pair of spaced apart tube sheets. Connec... | 07/28/1981 |
| 4257193 | Grate lock device A device is disclosed for locking a grate or the like to its receiving frame to make difficult the removal of the grate by an unauthorized person utilizing a makeshift tool. The locking device has a spring loaded latching pin carried by supports secured t... | 03/24/1981 |
| 4234863 | Inductive pickup clip An inductive pickup clip comprising two telescoping body portions between which is compressed a main body spring and within which are mounted respective core portions. When the clip is closed, said core portions define an opening adapted to receive theret... | 11/18/1980 |
| 4232688 | Dental gingival retraction cord dispenser A gingival cord container cap is disclosed featuring a cord dispensing gate mechanism formed by cooperating parts of a pivoted dispensing spout and a cap base in which the spout is socketed. Cord threaded out of the container through a hole in the cap bas... | 11/11/1980 |
| 4122561 | Floatable cover capable of partially or fully covering swimming pools An easily removed or installed cover for swimming pools consists in one form of a cover sheet of flexible sheet material capable of assuming an arched configuration having a periphery in the general shape of the pool. An inflatable air tube is dependently... | 10/31/1978 |
| 4078398 | Food freezing tunnel with improved freezing air flow apparatus In an improved food freezing tunnel, an improved freezing air flow apparatus, more uniformly distributes upwardly flowing freezing air through a horizontally traveling porous food conveyor, thereby more effectively freezing the conveyed food pieces. The i... | 03/14/1978 |
| 4077576 | Machine for continuous glass filament winding of large bonded fiberglass structures, such as cryogenic tanks for liquid natural gas A winding machine for the continuous glass filament winding of bonded fiberglass structures, such as cryogenic tanks for liquid natural gas, often referred to as LNG tanks, comprises, a hemispherical male mold mounted on a turntable, a half circular track... | 03/07/1978 |
| 4054960 | Inflatable body support cushion, particularly to support a woman during pregnancy A continuously and adjustably inflatable cushion supports the entire body length of a prone, face down, expectant mother, and is shaped to accommodate and conform to the enlarged contours of her body during pregnancy and immediately afterward. An essentia... | 10/25/1977 |
| 4052099 | Oncoming air spoilers for vehicles, mounted near the hood to deflect air carried bugs, rain, road spray, snow, and lightweight debris up and away from the windshield Dual oncoming air spoilers for vehicles are mounted near the hood to deflect air carried bugs, rain, road spray, snow, and lightweight debris up and away from the windshield. They are provided essentially in a one embodiment kit having: two plastic panels... | 10/04/1977 |
