WIELAND HEART LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6449983 Reliquefaction of compressed vaporMar 08, 01Sep 17, 02[F25J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6443983 Centrifugal blood pump apparatusExpiredDec 17, 99Sep 03, 02[A61M]
6048363 Centrifugal blood pump apparatusExpiredMay 13, 97Apr 11, 00[A61M]

Top Inventors for This Owner

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