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XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20.239000000463 material Substances 0.000 claims abstract description 52.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by TWIN HARBOR DREDGING Co filed Critical TWIN HARBOR DREDGING Co Priority to US05/871,106 priority Critical patent/US4227323A/en Application granted granted Critical Publication of US4227323A publication Critical patent/US4227323A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee TWIN HARBOR DREDGING Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Delegard Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/871,106 Inventor Thomas O. Google Patents Hydraulic dredge suction diversion flapĭownload PDF Info Publication number US4227323A US4227323A US05/871,106 US87110678A US4227323A US 4227323 A US4227323 A US 4227323A US 87110678 A US87110678 A US 87110678A US 4227323 A US4227323 A US 4227323A Authority US United States Prior art keywords flap head dredge suction head swinging Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4227323A - Hydraulic dredge suction diversion flap US4227323A - Hydraulic dredge suction diversion flap