Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 7211104 | Contrast therapy system and method A contrast therapy system. According to one aspect of the invention, the contrast therapy system includes a hot reservoir for holding a relatively hot fluid and a cold reservoir for holding a relatively cold fluid. The system also includes a mixing valve for receivi... | 05/01/2007 |
| 7163157 | Automatic compensating valve for individual shower and tub/shower combination fixtures An automatic compensating valve, e.g., for individual shower and tub/shower combination fixtures, has a valve body defining cold and hot water inlet flow passageways, a mixing chamber, a mixed temperate water outlet flow passageway, and an axial bore. The valve incl... | 01/16/2007 |
| 6793145 | Dual control thermostatic mixer The present invention refers to a dual control thermostatic mixer with a regulator suited to stabilize the mixed water temperature upon exit, using a stabilizing mechanism and a switching device for choosing either spout or handset flow. It has a main body (A), a cl... | 09/21/2004 |
| 6227235 | Temperature regulated hot water recirculation system In a hot and cold water distribution system, cooled down water in the hot water distribution line is automatically drained toward the cold water distribution line by a connection system consisting essentially of a centrifugal pump in series with a valve o... | 05/08/2001 |
| 5108032 | Fluid mixture control valve A fluid mixing valve designed for hot/cold water mixing in showers provides fully adjustable proportioning independent of flow rate. It may be thermostat controlled for convenience, and to save water by avoiding iterative manual adjustment. It comprises a... | 04/28/1992 |
| 4978059 | Modular pressure balanced valve assembly A mixing valve includes the volume control valve, a pressure proportioning valve, and a thermostatic valve assembly within a single modular housing. The housing is rotatably mounted in a valve body. The housing houses the proportioning valve and the therm... | 12/18/1990 |
| 4877181 | Shower valve A valve and thermostat assembly is disclosed for improved convenience and efficiency in showers. It comprises a thermostat controlled hot/cold water mixing valve combined with a flow valve. It provides a full range of graduated control for both temperatur... | 10/31/1989 |
| 4611757 | Mixing device for mixing two fluids, especially hot and cold water A mixing device for mixing two fluids, in particular cold and hot water, includes a mixing valve and an enclosure which houses at least some component parts. For temperature control the device includes an electric motor which is adapted to turn a movable ... | 09/16/1986 |
