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| Number | Title | Issue Date |
| 7258710 | Maritime emissions control system An Advanced Maritime Emissions Control System (AMECS) includes several Exhaust Intake Bonnets (EIBs) of different size and/or shape, an Emissions Capture System (ECS), and an Advanced Maritime Emissions Control Unit (AMECU) mounted on an Unpowered Seagoing Barge (US... | 08/21/2007 |
| 7200005 | Method and apparatus for generating electricity using recycled air from a computer server In one embodiment, the invention is a method and apparatus for recycling exhaust air expelled from a computer server (e.g., a unit including microprocessors such as a standard server or a mainframe). In one embodiment, at least one windmill (e.g., a standard windmil... | 04/03/2007 |
| 6921327 | Exhaust pipe cover An exhaust pipe cover adapted to resist wind-induced uplift and entry of any accompanying and/or independent rain, snow, dirt, dust, and/or other foreign matter, into the exhaust pipe and communicating engine, wherein such a device may be retrofitted to existing ver... | 07/26/2005 |
| 6699118 | Vent apparatus A vent apparatus for an enclosed space such as that within a structure or a vehicle, including a vent tube having a first end that extends outside of the closed space and a second end that is connected to the enclosed space and a vent cap removably couple... | 03/02/2004 |
| 6206774 | Roof environmental exhaust duct An environmental exhaust duct adapted to be mounted on a roof allows for exhaust gases to escape while preventing water and debris from entering the building. The exhaust duct has a flap which is closed over the duct by gravity, and which pivots upwards w... | 03/27/2001 |
| 5092226 | Incinerator chimney stack valve mechanism An incinerator chimney stack valve mechanism which normally prevents the flow of fluid from the chimney stack. The incinerator chimney stack valve mechanism is mounted upon the chimney stack adjacent an opening in the chimney stack. A closure member is mo... | 03/03/1992 |
| 4989503 | Wind controlled roof ventilation system A wind-directed ventilator hood assembly for a narrow elongated air exit opening in the roof of a farm building spanning a long portion of the roof, including hood supporting uprights projecting upwardly from the air exit opening at plural spaced location... | 02/05/1991 |
| 4821629 | Dynamically balanced exhaust pipe cap A dynamically balanced exhaust pipe cap which includes an elongated tubular member having an upper end defined by an upper edge lying in a plane extending an an acute angle to the longitudinal axis of the tubular member. A closure flap assembly is pivotal... | 04/18/1989 |
| 4742766 | Dynamically balanced exhaust pipe cap A dynamically balanced exhaust pipe cap which includes an elongated tubular member having an upper end defined by an upper edge lying in a plane extending at an acute angle to the longitudinal axis of the tubular member. A closure flap assembly is pivotal... | 05/10/1988 |
| 4727796 | Weather cap for upstanding exhaust pipes A weather cap for upstanding exhaust pipes for gasoline and diesel engines and the like having an improved mechanism for securing the cap to the pipe. The mechanism comprises an elongated post to extend from the upper edge of the exhaust pipe into the pip... | 03/01/1988 |
| 4671171 | Aerodynamically operated rain cap A rain cap or protective cover device for an exhaust stack of an internal combustion engine is disclosed that is movable between a standby protective position and an operating position. In the standby position a pair of rearwardly extending arms cause a f... | 06/09/1987 |
| 4667582 | Dynamically balanced exhaust pipe cap A dynamically balanced protective cap for exhaust pipes, including a tubular element having an angulated bias cut defining a slanted opening at one end thereof. A closure flap assembly is pivotally secured to the tubular element for pivotation about a hor... | 05/26/1987 |
| 4580488 | Weather caps for exhaust pipes A weather cap for an exhaust pipe includes a mounting collar adapted to surround the exhaust pipe and including supporting arms extending therefrom. A resilient bumper is supported on a clamping bolt extending through the supporting arms. The resilient bu... | 04/08/1986 |
| 4497310 | Flue box with adjustable counterbalance cap There is disclosed an improved flue box assembly for use in conjunction with a heating plant, the flue box having a housing with an interior diametric opening substantially greater than the exhaust gas inlet to and outlet from the interior of the housing,... | 02/05/1985 |
| 4495859 | Cover assembly for vertical exhaust pipes A gravity actuated protective cover assembly to be secured upon the upstanding exhaust stack of an internal combustion engine overlying the open end of the stack. The cover assembly includes a clamp member for securement of the assembly to the stack and a... | 01/29/1985 |
| 4483315 | Fireplace chimney cap and damper combination A chimney cap pivotally mounted at one end to allow secure closure of the cap or opening for operation. The lower end of the chimney is connected to a fireplace which has its own manually operated damper. The chimney cap is operable conjointly with the da... | 11/20/1984 |
| 4383478 | Rain cap with pivot support means A pivotal connection between a gravity-actuated protective cover and a bracket structure for supporting the cover device on an exhaust conduit includes a center spacer that has a chrome hardened peripheral surface and is held between a pair of ears of the... | 05/17/1983 |
| 4380952 | Cover assembly for vertical exhaust pipes A pivotally mounted cover assembly for the end of an upstanding exhaust pipe has a pivot structure constructed to include a plastic sleeve-type bearing pivotally mounted directly on a pivot shaft; the plastic bearing provides a seat for a flange member fo... | 04/26/1983 |
| 4255928 | Swingable rain cover for vertical exhaust pipes with stop means A cover assembly is provided to be secured to the upper end of an exhaust pipe of an internal combustion engine maintained outdoors in such a manner such that a cap forming part of the assembly will cover the end of the exhaust pipe when the engine is qui... | 03/17/1981 |
| 4226173 | Protective cap for an exhaust pipe A protective cap for an exhaust pipe. A U-shaped clamp is disposed around the exhaust pipe adjacent its outer end and an arm which carries a lid is pivoted to the free ends of the clamp. The lid is adapted to enclose the outer end of the exhaust pipe and ... | 10/07/1980 |
| 4205706 | Protective cap for an exhaust pipe A temperature responsive protective cap for a gas exhaust pipe. The cap includes a base portion which is connected to the upper end of the exhaust pipe of an internal combustion engine, and a lid or cover is hinged to the base and can be pivoted between c... | 06/03/1980 |
| 3964376 | Tamper-proof weather cover device for exhaust pipes A hinged lid closes the upper end of the vertical exhaust pipe of an internal combustion engine to keep rain and snow from entering the engine when it is shut down. A latch prevents vandals from manually opening the lid, but the latch is automatically rel... | 06/22/1976 |
