Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
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 |
| 5708991 | Water saving device for a water closet An adjustable valve to control the amount of water flowing through the refill water hose to the overflow tube and into the water closet bowl. The valve is a dual component device including a housing structure and a lever component. Both the housing struct... | 01/20/1998 |
| 5699587 | Handle for a sanitary fitting The invention relates to a handle for a sanitary fitting, and particularly to a single-lever sanitary fitting, having a base and a cap, whereby the base of the handle has a handle section and an attachment section. The handle cap can be engaged with and d... | 12/23/1997 |
| 5685027 | Siphonic flush valve for toilets A siphonic flush valve for a toilet having a toilet tank and toilet bowl. The valve includes a housing supportable in the toilet tank and defines a chamber, an upleg open to the chamber and a downleg open to the upleg. The chamber includes a manually actu... | 11/11/1997 |
| 5662944 | Sealing assembly for molds used for casting sanitary fixtures A sealing assembly for molds used for casting sanitary fixtures including at least one female die which is capable of defining the molding cavity of the item as well as at least one male die which is designed to be introduced into and withdrawn from said ... | 09/02/1997 |
| 5647068 | Toilet flushing device with water saving features A trapway reseal device for a toilet tank where the toilet tank includes an overflow tube and a water control. The trapway reseal device includes a float slidably supported along the overflow tube to move with the changing level of water in the tank as th... | 07/15/1997 |
| 5645863 | Equipment for unmolding sanitary ware An apparatus for de-molding sanitary ware castings from porous molds, and in particular, from synthetic resin molds, comprising a carriage capable of traveling on rails parallel to the plane of the opening of a mold. The carriage moves to and from a posit... | 07/08/1997 |
| 5622727 | Automatic pressure-casting bench Pressure-casting bench for vitreous china sanitary fixtures having two guides on which mold parts travel in a horizontal direction, capable of pairing so as to bound a molding cavity, a set of guides or rails being provided for introducing into and removi... | 04/22/1997 |
| 5611091 | Toilet trip lever arm with integral energy absorbing member A toilet trip lever mechanism for use with pressure flush toilets including a coil-type member formed integrally as part of the lever arm. The coil member acts as a shock absorber during the flushing process to absorb kickback during flushing.... | 03/18/1997 |
| 5601680 | Polyester backed acrylic composite molded structure and method of manufacturing thereof A polymeric composite structure having a polymeric shell layer with a finish-side and a non-finish side and a cross-linked thermosetting polymeric backing layer and method of manufacturing thereof is provided. The cross-linked thermosetting polymeric back... | 02/11/1997 |
