F04B 1/047

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2017/0335,831 HYDRAULIC DEVICE WITH RADIAL PISTONS COMPRISING AT LEAST ONE BALL BEARINGDec 17, 15Nov 23, 17POCLAIN HYDRAULICS INDUSTRIE
2014/0127,046 DOWNHOLE HYDRAULIC PUMPJul 04, 12May 08, 14WELLTEC A/S
2009/0288,551 COMPACT HYDRAULIC MECHANISM WITH RADIAL PISTONSJun 27, 07Nov 26, 09POCLAIN HYDRAULICS INDUSTRIE