Drips and Droopy Noses

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Drips and Droopy Noses

Post  pmolsen on Fri Nov 13, 2009 1:51 am

I have studied every video I can find of both commercial and amateur nozzles and I have not seen a single leap-frog type stream that does not have either trailing drips or a droopy nose. Wet, Oase, Pentair, they all have one or the other. Has anyone seen a video of a perfectly formed slug with no nose or tail?

Often they seem to start out ok but when they reach the top of the curve the nose starts to droop.

Given the amount of money that some of the big companies like Wet have at their disposal it seems surprising that they have not come up with a solution. So the question is, is the problem solvable or is it something that cannot be fixed, for example if the front of the stream is simply drooping as a result of the air resistance.

If it is solvable, and someone here comes up with a solution, would any of the big guys be interested? In the "Very Impressive Laminar Nozzles" topic Mark Fuller talked about us patenting our ideas if we come up with anything new. But that is not really feasible for amateurs. It costs between $10,000 and $20,000 and takes 2-3 years, and what then? We are not about to go into business manufacturing it so what is the point? Do we have to spend the money then try to sell it to one of the big companies?

So is it maybe possible to negotiate a deal up front where they pay us for the idea then they patent it themselves? Or as a joint patent with us and themselves? Are you reading this Mark?

The problem is if you divulge your idea in a public forum then it is effectively too late to patent it. You have to keep it secret until you have lodged the patent or else it is "public knowledge" and hence not patentable. That of course goes against the philosophy of a forum like this, which is to share ideas.

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Re: Drips and Droopy Noses

Post  Therons on Fri Nov 13, 2009 8:20 am

Once you disclose a new or novel idea, you have one year to apply for a US patent. Posting your ideas on the forum will help to validate when you came up with the idea and will also provide feed-back about the acceptance of the idea in the market. An idea can sometimes be sold to a manufacturer without first obtaining the patent if it is within the one year time liminit of being divulged. The degree of negotiation power you have will certainly increase if you have previously applied for a patent.

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Re: Drips and Droopy Noses

Post  pmolsen on Fri Nov 13, 2009 11:44 am

That is only in the US and Canada. In most other jurisdictions you lose the right to patent immediately if you disclose the invention publicly. See http://www.patentable.com/practice_patents.htm under "Who can apply for a patent", paragraph 2.

For Australia (where I am) see http://www.usyd.edu.au/sydnovate/staff-intellectual-property-applying-patent.html paragraph 1.

A US patent then becomes somewhat irrelevant if the goods can legally be manufactured elsewhere (such as in China) then marketed in Australia and ordered over the Internet by anyone in the US.

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