...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7160446 | Portable spa filter housing with flow splitter A filter housing for a portable spa utilizes a coaxial channel structure at the flow output of the filter housing to separate the water flow from the filter housing. In one embodiment, the water from the filter housing, exiting at the bottom of the housing, is piped... | 01/09/2007 |
| 7137155 | Set of parts for building the upper edge and channel in overflow swimming pools A set of parts having a āUā shaped channel (11) and a side prolongation (12) are used to form the upper edge and channel in an overflow type swimming pool. The set of parts can include straight parts (1a), corner parts (1b | 11/21/2006 |
| 7076813 | Pool skimmer A skimmer system is provided which includes a reservoir, an inlet, a reservoir pump and a weir. The skimmer system may be attached to a tank having fluid therein. The fluid in the tank defines a tank fluid surface, and the fluid in the reservoir defines a reservoir ... | 07/18/2006 |
| 7052612 | Skimmer and filter A skimmer and filter unit for use with a body of water. A tank portion of the unit defines an interior skimmer chamber, one or more ultraviolet light chambers, filter chamber, and pump chamber. Water is received through a pivoting weir door of a skimmer faceplate as... | 05/30/2006 |
| 6997644 | Passive method for obtaining controlled drainage from a vessel Passive control of fluid flow from a vessel is provided by a floating weir assembly. The assembly includes a float and a weir opening that is in fluid communication with an outlet from the vessel. The weir opening and the fluid path connecting the weir opening and t... | 02/14/2006 |
| 6966079 | Pool skimmer A skimmer system is provided which includes a reservoir, an inlet, a reservoir pump and a weir. The skimmer system is attached to a tank having fluid therein. The fluid in the tank defines a tank fluid surface. The reservoir receives fluid from the tank. The fluid i... | 11/22/2005 |
| 6701542 | Floating weir skimmer for a flexible-walled above-ground pool A floating weir skimmer (1) with a pivoting flap (2) that can be fixed to a flexible wall (3) of an above-ground pool, comprising: a flexible pouch (4) with an open front face (7) that can be sealed to the exterior face of the flexible wall (3) to corresp... | 03/09/2004 |
| 6233754 | Swimming pool A swimming pool includes a swimming tank, which stores water for swimming; and an upstream tank, which stores water to be supplied into the swimming tank. The pool further includes a downstream tank, which stores the water streamed from the upstream tank ... | 05/22/2001 |
| 6151726 | Swimming pool A swimming pool includes a swimming tank, which stores water for swimming; and an upstream tank, which stores water to be supplied into the swimming tank. The pool further includes a downstream tank, which stores the water streamed from the upstream tank ... | 11/28/2000 |
| 6029290 | Swimming pool skimmer cleaner An invention utilizing a conveyor belt to remove debris from a swimming pool filtration system skimmer and deposit it into a waste receptacle. The lower end of the conveyor belt is inserted into the skimmer below the level of the water. As the conveyor be... | 02/29/2000 |
| 5606750 | Weirs A weir flap for use in a swimming pool skimmer opening is disclosed. The weir flap includes a buoyant body that is pivotally mounted at a lower end in the opening. The body includes a through slot having an inlet opening in a front face of the body and an... | 03/04/1997 |
| 5392472 | Pool skimmer apparatus A pool skimmer apparatus used with a water filtration and recirculation system includes an outlet nozzle assembly and a scoop assembly. The outlet nozzle assembly is mounted to an inlet in the sidewall of a pool of water and operable for directing a flow ... | 02/28/1995 |
| 5329648 | Diverter valve manipulator tool A tool comprising an elongated handle on the upper end of a driver member for remotely changing the rotational setting of a diverter valve mounted in the suction outlet of a skimmer for a swimming pool. The diverter valve is provided with an adapter ring ... | 07/19/1994 |
| 5225075 | Swimming pool skimmer winterizing plug A winterizing plug for water lines of a swimming pool is disclosed. The winterizing plug cooperates with a port in the skimmer to displace water in the line and reduce the possibility of damage thereto. Water is displaced by means of air pressure maintain... | 07/06/1993 |
| 5195191 | Pool skimmer mount A multi-gasket sealing assembly or mount is disclosed for improved mounting of a swimming pool water skimmer in an opening in a pool wall of the type having a metal wall portion and a flexible inner sheet liner. The water skimmer has a housing defining a ... | 03/23/1993 |
| 4913810 | Skimmer apparatus sealing and closure assembly Skimmer apparatus, for a recreational pool of the type where a housing of the skimmer is mounted outside the pool and has a port opening in sealed relation to a pool sidewall opening, is provided with an assembly, including a special gasket frame and a fa... | 04/03/1990 |
| 4904379 | Skimmer-diverter assembly for removing debris from swimming pools and the like A skimmer-diverter assembly for use with swimming pools having water filtration and circulation systems. The skimmer-diverter assembly includes an elongated arm positioned adjacent the skimmer intake of the spool filtration and circulation system. A flow ... | 02/27/1990 |
| 4876001 | Apparatus for use with a pool cleaner Apparatus for use with a swimming pool cleaner which includes a housing which defines a chamber, at least one inlet to the chamber and an outlet from the chamber, and a bouyant ball inside the chamber. The apparatus is installed or incorporated in a weir.... | 10/24/1989 |
| 4826591 | Pool skimmer A skimmer is provided for a swimming pool and is constructed in a manner similar to conventional skimmers for a pool so far as the water inlet and filter basket is concerned. Instead of pulling water through the filter basket to the recirculating pump for... | 05/02/1989 |
| 4740307 | Swimming pool water skimming and vacuuming apparatus An automatic pool vacuum unit is connected to a skimmer housing by a vacuum housing fitted in an inverted U-shaped opening in the skimmer weir, open to the bottom of the weir. In order to avoid interfering with normal pivoting of the buoyant weir by the v... | 04/26/1988 |
| 4735714 | Ribbed faceplate for swimming pool and spa skimmer apparatus The disclosure relates to a face plate for use in conjunction with the skimmer apparatus for recreational devices, such as swimming pools and spas, wherein the face plate for the fitting positioned in the swimming pool wall and extending into the swimming... | 04/05/1988 |
| 4706309 | Automatic rim flow water level control system for gutters An automatic rim flow water level control system for gutters is provided, for use in swimming pools, which includes a peripheral gutter having at least one weir chamber on its pool side wall, the wall having a plurality of vertically extending elongated w... | 11/17/1987 |
| 4504985 | Swimming pool coping A swimming pool coping permitting overflow, which is rectilinear and has an upwardly opening overflow channel therein parallel to its length. The coping has an upper surface that is flat and imperforate and is inclined upwardly from the channel at a small... | 03/19/1985 |
| 4494257 | Flow control device A control device for regulating the skimming flow of surface water from a swimming pool to a perimeter gutter includes a housing disposed in a gutter wall, at the normal level of water in the pool, which defines a flow passage from the pool to a lower gut... | 01/22/1985 |
| 4389739 | Automated surge weir and rim skimming gutter flow control system An automated skimming flow perimeter gutter control system for swimming pools is provided having a water cleaning and recirculation system receiving water from the pool, cleaning it, and returning it to the pool; a gutter conduit for disposition about the... | 06/28/1983 |
| 4380837 | Method and apparatus for controlling the flow in swimming pool gutters A method for establishing a flow gradient along the gutter of a swimming pool of the type that includes a recirculating system for the pool water with said gutter comprising a portion of such system. The method comprises providing a plurality of gutter fl... | 04/26/1983 |
| 4253202 | Automatic adjusting wave gutter for swimming pools A wave gutter for swimming pools that automatically positions and maintains a longitudinal edge of the gutter, relative to the waterline, for optimum control of waves and other surface disturbances created by persons in the pool includes a wall member, fa... | 03/03/1981 |
| 4233694 | Spa construction and isolated controls therefor A spa construction for use by humans comprising a shell for containing water and having a well for receiving the feet of the user. A seat is provided adjacent the well upon which the user can sit. A side wall is provided against which the user can rest hi... | 11/18/1980 |
| 4206522 | Automated surge weir and rim skimming gutter flow control system An automated skimming flow perimeter gutter control system for swimming pools is provided having a water cleaning and recirculation system receiving water from the pool, cleaning it, and returning it to the pool; a first drain line connecting the pool to ... | 06/10/1980 |
| 3939505 | Self-hinged, buoyant weir plate for skimmers A one-piece buoyant weir plate for use in skimmers for swimming pools and the like is formed from a rectangular sheet of expanded plastic or like material with closed cellular structure. The plate is subdivided into two panels by means of a heat-pressed h... | 02/24/1976 |