Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7244471 | Method for surface treatment of metal pipes A method and apparatus for surface treating metal pipes includes introducing a treatment liquid into a first distribution chamber having a flat bottom surface, and dropping the treatment liquid onto at least a portion of the outer peripheral surface of the metal pip... | 07/17/2007 |
| 7004410 | Shower head A shower head generally comprising a face plate, an outer housing, a water chamber, a ball holder, a button, a seal, a nozzle, a screen filter, a pivot ball, and a label logo. The ball holder covers the pivot ball, wherein the pivot ball is flush with the seal which... | 02/28/2006 |
| 6607148 | Shower head Shower heads are disclosed providing for varying types of spray. One spray head permits two different spray patterns with one of the patterns optionally being pulsed or unpulsed. Another provides three different spray patterns, with two of the patterns ha... | 08/19/2003 |
| 6116524 | Brush and water spray system A brush and water spray system comprising, a primary head having a flat exterior section with apertures therethrough for dispensing water, a tubular interior section in a cylindrical configuration adapted to be coupled to a shower outlet tube for receivin... | 09/12/2000 |
| 6094932 | Refrigerator air flow diffuser assembly A diffuser assembly for controlling air flow in a fresh food compartment of a refrigerator has a housing mounted to the refrigerator liner wall that covers a first air flow opening in the fresh food compartment liner. The housing has side walls and an ext... | 08/01/2000 |
| 5934573 | Measuring dispenser-spreader and method The dispenser dispenses and spreads measured quantities of granular materials over a relatively wide area. A plurality of individual measurement chambers are distributed throughout a disc or rectilinear panel which is moved relative to other discs or pane... | 08/10/1999 |
| 4416422 | Steplessly adjustable device for injecting black liquor into a soda digester In a device for adjusting the flow quantity and drop size of black liquor to be injected into a soda digester, an outflow opening with an adjustable cross-sectional area, relatively rotatable coaxial outer and inner pipes, the outer pipe being provided wi... | 11/22/1983 |
| 4380319 | Liquid spray nozzle A liquid spray nozzle has an outer orificed plate portion with a generally elliptical orifice which tapers in the direction of the water stream and an inner orificed member which has a larger centrally located circular orifice and a pair of smaller circul... | 04/19/1983 |
| 4151955 | Oscillating spray device A fluid dispersal device utilizes the Karman Vortex street phenomenon to cyclically oscillate a fluid stream before issuing the stream in a desired flow pattern. A chamber includes an inlet and outlet with an obstacle or island disposed therebetween to es... | 05/01/1979 |
| 4145004 | Showerheads A showerhead of the type including an inlet end, an outlet end, and a bore defining a passage between the two. Two discs are disposed in the passage, in face-to-face engagement with each other and mounted for relative rotation about a central axis. A plur... | 03/20/1979 |
| 4047669 | Gas nozzles for gas using appliances A gas nozzle for a gas-using appliance containing a passage for gas formed at least in part in two members which are relatively rotatable while remaining in contact with one another over a surface of contact presented by each member. The passage in each m... | 09/13/1977 |
