Did You Know...
...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.
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| Number | Title | Issue Date |
| 7562675 | Valve device A plunger (45) and a piston (46) are displaceably held in a housing (104) for opening and closing a valve path (107) defined in the housing (104), and a single common seat block (44) provided for the plunger (45) and ... | 07/21/2009 |
| 7252113 | Mechanical in line timer valve An in line mechanical timing valve is disclosed. The valve has an inlet capable of being coupled to a water source and an outlet. A valve housing is fluidly coupled to the inlet and the outlet to control water flow between the inlet and the outlet. A bisecting cylin... | 08/07/2007 |
| 7207138 | Gravity feed irrigation apparatus A gravity feed irrigation apparatus for supplying a flow of water at a controlled rate to a plant and having a lightweight shell-type enclosure that serves as a cover for a water reservoir attached to a water inlet in the cover. The reservoir is in the form of a wat... | 04/24/2007 |
| 7021555 | Spraying/misting for plants and animals A method of periodically spraying live plants and/or animals, using a portable electric sprayer, is described and claimed. In the preferred embodiments, the portable electric sprayer includes: (i) a fluid reservoir; (ii) a nozzle for producing a spray of fluid; (iii... | 04/04/2006 |
| 5879559 | Valve controller for water conditioning system A control unit for operating a valve system in a water conditioner system includes a drive motor having an output shaft coupled to the valve system, a valve position slide switch, an electronic regeneration controller, and a settable mechanical clock. The... | 03/09/1999 |
| 4823838 | Outdoor gas cooking appliance There is disclosed a semiautomatic timed shut-off valve assembly adapted for use in a gas grill including a normally closed supply valve for supplying gas to one or more manual flow control valves, a manual valve opening member for actuating said supply v... | 04/25/1989 |
| 4730637 | Fluid loss, damage prevention and control system The invention relates to a fluid flow monitor and control system which prevents excessive fluid loss and property damage. The invention warns of impending distribution pipe freeze conditions, or ruptures from other causes, shuts off the fluid supply, and ... | 03/15/1988 |
| 4562865 | Timed water shut-off device A timed water shut-off device of the type primarily useful for home gardens and lawns. The device comprises a water conduit containing a ball valve, a timer and timer housing rotatably mounted on the conduit and a plunger directly linking the timer and ba... | 01/07/1986 |
