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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 6058546 | Motorized chimney sweep A motorized chimney sweep having a battery, a DC motor with twin drive shafts extending therefrom in opposite directions in a horizontal orientation, and two debris impacting members attached near a distal end of each drive shaft which are rotated through... | 05/09/2000 |
| 5659917 | Chimney cleaner assembly A chimney cleaning apparatus for cleaning the walls of the chimney comprising a support member selectively placed in the chimney having a top mounting bracket and a bottom mounting bracket. The support member has a clevis arm pivotally attached at one end... | 08/26/1997 |
| 5555939 | Apparatus for extinguishing chimney fires A portable apparatus for extinguishing chimney fires. The apparatus includes a cleaning device consisting of a plurality of chains on a ring attached to the end of a chain that passes over idler pulleys and is wound on a drum that is manually turned by a ... | 09/17/1996 |
| 5504964 | Chimney flue cleaning apparatus A chimney flue cleaning apparatus that involves use of a rotating chain suspended from the outlet of the chimney and depending to the bottom of the chimney through which means is provided for the attachment of an ordinary drill tool to the chain through u... | 04/09/1996 |
| 5096262 | Device for enlarging a chimney An apparatus for cross-sectionally enlarging a chimney flue includes a fluid motor; a milling cutter mounted on the fluid motor and being driven thereby for removing constructional wall material from walls defining the flue; a suspension device for suppor... | 03/17/1992 |
| 4802256 | Slide hammer chimney cleaner A chimney cleaning apparatus (10) is suspended from a chain (34) for movement through a chimney flue (16) and includes a scraping plate (12). The outer periphery of the scraping plate (12) conforms to the cross-sectional shape of the chimney flue (16) and... | 02/07/1989 |
| 4757573 | Chimney flue scraping apparatus There is disclosed a chimney cleaner comprising a frame of rectangular cross-section narrower than the internal dimension of the chimney flue to be cleaned and having a substantial vertical height with spring-loaded pivotal flue side-scraping blades mount... | 07/19/1988 |
| 4747177 | Chimney sweep system A chimney sweep system including a chimney support assembly, a winch attached to the chimney support assembly, and a scraper assembly connected to a cable of the winch which is used to lower and raise the scraper assembly within the chimney. The chimney s... | 05/31/1988 |
| 4657597 | Chimney cleaner Disclosed is a chimney cleaner for cleaning a chimney flue wall. The cleaner comprises a plate having a scraping edge and support apparatus for suspending the plate between a weight and a flexible member.... | 04/14/1987 |
| 4603747 | Apparatus for removing internal tiles from chimneys Apparatus is provided for removing the interior tile lining from brick chimneys. The apparatus includes an assembly that is lowered into the chimney, the assembly comprising a reversible electric motor mounted within a frame, and a weighted impact member ... | 08/05/1986 |
| 4583258 | Flue cleaner and mounting attachment Flue cleaning apparatus comprises a bladed scraper head suspended by cable in a flue from pulleys on a mounting attachment secured at the top of the flue so that the cable can be operated from outside of a building of which the flue forms a part, to move ... | 04/22/1986 |
| 4408368 | Chimney cleaning device Discloses a portable chimney device for removing creosote deposits and soot from a chimney flue while the chimney is in operation, or during a chimney fire, and without said device causing damage to the chimney flue, its liner, or chimney bottom. The devi... | 10/11/1983 |
| 4399584 | Apparatus for cleaning flues The specification discloses a flue cleaning apparatus (10) that includes a weight (12) with a beveled lower circular perimeter (14). A pair of plates (16) and (18) are secured to the top of the weight (12), and a rope (26) is attached to the weight (12) f... | 08/23/1983 |
| 4365381 | Chimney cleaner An improved chimney cleaner for removing soot from the insides of chimneys. A lower plate is orthogonally connected to a vertical support member. An upper plate, which is the same shape as but smaller than the lower plate, is located over and concentric w... | 12/28/1982 |
| 4333200 | Chimney cleaner A chimney cleaner device cleans the inside surfaces of a chimney in both an upward and downward direction. The device includes a pair of diverging cleaning arms made of heavy metal, each arm having an integral shank portion and blade portion. The blade po... | 06/08/1982 |
| 4208756 | Chimney cleaner A chimney cleaning apparatus for the removal of soot from chimneys and flue pipes. The apparatus includes permanently installed brackets, pulleys and cords and an adjustable frame supporting a sandbag scraping means and a soot collection bag attached to s... | 06/24/1980 |
| 4138758 | Chimney cleaning system and chimney cleaning element A permanently emplaceable chimney cleaning system is provided with a removable cleaning element which is flexible as to shape and dimension.... | 02/13/1979 |
| 4090271 | Chimney cleaner A chimney cleaner designed to be lowered through a chimney from its upper end includes both scrubbing and chopping elements for removing soot, tar, mortar and the like from the chimney walls. The scrubbing elements are adjustable to suit various sizes of ... | 05/23/1978 |
| 4085477 | Flue and chimney cleaners A tool for cleaning flues or chimneys which has surface-engaging scrapers, levers for displacing the scrapers into engagement with the surfaces to be cleaned, and a resilient connector between the levers and an actuator therefor. The tool may be so made a... | 04/25/1978 |
