Famous Patents
British merchant Peter Durand invented the tin can in 1810.
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 |
| 7143779 | Pedestal hydrant A fluid delivering hydrant providing a valve actuated assembly with enclosing shroud and water resistive doom handle assembly to protect the assembly from exposure to the weather while preventing entry of rainwater into a building structure upon the roof of which th... | 12/05/2006 |
| 7032830 | Method and device for generating a liquid mist A device and a method for generating a mist for camouflaging ships, vehicles, air vehicles and stationary objects within infrared and radar wavelengths. The device generates mist by a liquid, for instance water, being injected into a flow of air which is supplied fr... | 04/25/2006 |
| 6782908 | Automotive washer system utilizing a freezable washer liquid and a freeze-resistant washer liquid A washer system which includes a first reservoir containing a freezable washer liquid and having a drain port therein. The drain port is in fluid communication with the freezable washer liquid when the first reservoir is in at least a full state. The washer system a... | 08/31/2004 |
| 6659123 | Maintaining readiness in fire hydrants Fire hydrants are protected from freezing by including potassium formate, preferably at least 10% by weight, in the water enclosed in them during nonuse.... | 12/09/2003 |
| 6237620 | Conduit for pressurizing plumbing systems and supplying zantifree plumbing systems Novel combination conduit and reservoir connector adapted for connecting to and/introducing compressed air to purge water from a plumbing system and to then introduce antifreeze into said plumbing system in a simple and expeditious manner.... | 05/29/2001 |
| 6231313 | De-icing system A method of dispersing de-iceant into a stream of air flowing through an air supply line comprises the steps of placing a turbine in the air supply line; forcing at least a portion of the stream of compressed air to pass through the turbine, thus causing ... | 05/15/2001 |
| 6042120 | Controlled freeze seal for pipes Instead of applying the maximum cooling effect that can be produced, the method and apparatus disclosed applies only a carefully controlled cooling that is adequate to maintain the fluid in the pipe in a frozen condition but which maintains the temperatur... | 03/28/2000 |
| 5746240 | Freeze protection system for car washer units A freeze protection system for a car wash facility having a plurality of bays and having exposed water lines located in an area that is subjected to freezing temperatures. By using a temperature probe connected via a digital temperature meter to a micropr... | 05/05/1998 |
| 5488968 | Fluidizing system and method A fluidizing apparatus, such as a winterizing apparatus, and related method for preventing freezing of water in the water pipes of a dwelling. The apparatus includes a pump, an inlet line, an outlet line, a pressure switch, and an air compressor tank. The... | 02/06/1996 |
| 5293904 | Train line de-icer A pneumatic liquid injector de-icing system designed for use on air brake lines of a train includes an alcohol storage tank provided with fittings for engagement between the train air supply lines and the train brake lines. The storage tank may be provide... | 03/15/1994 |
| 4804013 | Fluid line deicer A fluid line deicer specifically designed for use on air brake lines of a tractor trailer includes an alcohol storage tank provided with fittings for engagement between the tractor air supply line and the trailer brake lines. The alcohol storage tank may ... | 02/14/1989 |
| 4531538 | Water supply winterizing system A system and apparatus operative in a winterizing mode for controllably filling hot and cold water supply lines with anti-freeze to prevent against burst pipes and, in a summerizing mode, for pump recovering the anti-freeze. In one embodiment, the system ... | 07/30/1985 |
| 4286613 | Apparatus for and method of freeze protecting plumbing A gate valve, mounted in a drain pipe connected to a downstream exposed end of a part of a plumbing system subject to occasional freezing, is controlled to open and close by opposed pressures of a spring and a temperature controlled pressure of a refriger... | 09/01/1981 |
| 4279270 | Flexible antifreeze heatconductor liquid transfer connector hose This invention constitutes an improvement in a liquid transfer connector hose for the purpose of facilitating an unencumbered transfer of liquids between two points, such as a liquid conductor means of either a permanent or temporary nature, under conditi... | 07/21/1981 |
