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What ever happened to the patent for the Edinburgh Duck?

 
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ArowxGames



Joined: 28 May 2009
Posts: 118
Location: Sunderland

PostPosted: Wed May 30, 2012 6:03 pm    Post subject: What ever happened to the patent for the Edinburgh Duck? Reply with quote

or Salters Duck was an attempt in the 70's to harness wave power and although I have seen more recent attempt they all use really ungainly snake pontoons.

Salters Duck was a simple Cam/Tubby Wing design linked together in a line and what amazed me was the footage of a small scale trial where the waves hitting the outside were large but the water inside the system was calm.

I'm just wondering who ended up with the Patent for it as it looked very effective and simple?
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Pepperman



Joined: 10 Oct 2010
Posts: 759

PostPosted: Thu May 31, 2012 8:41 am    Post subject: Reply with quote

I imagine the patent has expired as it was developed in the 70s and they last about 20 years or so I think?
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RenewableCandy



Joined: 12 Sep 2007
Posts: 12469
Location: York

PostPosted: Thu May 31, 2012 6:09 pm    Post subject: Reply with quote

Oh crikey I remember that on Tomorrow's World. Salter himself is alive and well and working on some geoengineering whereby wind-powered ships with wind-powered sprayers spray something (iron sulphate?) into the air to increase its albedo.

What on earth this'd do to the sea is anybody's guess.
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mobbsey



Joined: 24 Nov 2005
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Location: Banbury

PostPosted: Thu May 31, 2012 9:58 pm    Post subject: Reply with quote

Even if it was patented, it's probably lapsed by now as most patents at that time were for 20-odd years.
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