List of Laminar Fountain patents and status

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List of Laminar Fountain patents and status

Post  jas0995 on Mon Jun 27, 2011 12:13 pm

This post is a list of patents relating to Laminar Fountains.

This list is of interest to anyone that wants to look over some of the work
others have done with Laminar Fountains.

While anyone creating fountains for their own use will not be concerned with
patent violations, anyone marketing them for sale will need to get permission
from the patent holder first.

Many patents have expired after their 17 year span, and others have been
terminated for lack of payment of the ongoing fees involved in keeping the
patent active for the full 17 years.

Please post any comments or additional patents that you know of in the thread
and I will try to keep up the list.



Patent number: 7472430 Filing date: 27 Nov 2006 Issue date: 6 Jan 2009 Status:Active

Description:
A laminar flow waterfall in the form of a single or multiple streams of water, each exiting from a nozzle in the top edge of a spa. The laminar water stream is created by a venturi nozzle located in a plenum chamber. The inlet side of the nozzle has a cover with a plurality of small holes forcing...

http://www.google.com.tr/patents/about?id=XLyyAAAAEBAJ



Patent number: 5160086 Filing date: 4 Sep 1990 Issue date: 3 Nov 1992 Status: Expired

Description:
A lighted laminar-flow fluid nozzle is provided for use in decorative water fountains and industrial applications which defines fluid flow through a double-walled, bladder-like fluid supply hose, into a fluid chamber and through a diffuser, past trapped air pockets and exiting through a knife-edg...

http://www.google.com.tr/patents/about?id=SMkhAAAAEBAJ



Patent number: 5213260 Filing date: 3 Jul 1991 Issue date: 25 May 1993 Status:Expired

Description:
A nozzle which produces laminar fluid flow, which may be used in fountains and water displays, is disclosed. The nozzle disclosed reduces the turbulence of the fluid flowing through the nozzle by using a material which has randomly-arranged filaments for dividing the velocity components of the...

http://www.google.com.tr/patents/about?id=-5UhAAAAEBAJ



Patent number: 4795092 Filing date: 2 Jul 1987 Issue date: 3 Jan 1989 Status:Expired

Description:
The present invention provides a means for producing a laminar output of fluid which is substantially turbulence free. The present invention utilizes an input tank or enclosure which includes turbulence reducing and flow straightening devices for producing a turbulent free output flow of water....

http://www.google.com.tr/patents/about?id=tmAtAAAAEBAJ







More to come.

Send me patent numbers!!!







Last edited by jas0995 on Tue Jun 28, 2011 7:35 pm; edited 2 times in total

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Re: List of Laminar Fountain patents and status

Post  John on Mon Jun 27, 2011 9:17 pm

Patents only become an issue if you are starting to make money off of the idea. As long as you are just playing around for fun, then there is nothing to worry about. It would be great to start a list of patents for reference.
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Stream Diverter/cutter

Post  waterman on Fri Sep 23, 2011 6:01 am

This one might be of interest: 4889283.

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Re: List of Laminar Fountain patents and status

Post  pmolsen on Sat Jun 09, 2012 6:56 pm

There is an easier way:

http://www.freepatentsonline.com/result.html?query_txt=laminar+flow+fountain&sort=relevance&srch=top&search=

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Re: List of Laminar Fountain patents and status

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