The US Patent Office will let you search full text patents since the 1970s and will give you "page images" before that. Google will let you search fulltext patents, well "forever", I guess.
This may be an idle curiousity, but the patent for the Imbert gasifier in the US is 1954208.
Just FYI, patents are only good for 20 years or so. :)
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#2
Dutch John
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Posted 13 April 2009 - 07:12 AM
Wonder how much pyrolysis gas is driven off by the ejector. Can't imagine it to see the difference between steam and targas......
#3
kumarsanjeet137
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Posted 14 January 2013 - 10:59 AM
Dutch John, on 13 April 2009 - 07:12 AM, said:
Wonder how much pyrolysis gas is driven off by the ejector. Can't imagine it to see the difference between steam and targas......
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