| Patents for E21C 50 - Obtaining minerals from underwater, not otherwise provided for (408) |
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| 02/24/2015 | US8960808 Underwater miner cutter head, underwater miner, and underwater mining system |
| 02/19/2015 | US20150047233 Robot for mining manganese nodules on deep seafloor |
| 02/10/2015 | US8950820 Method of mining and processing seabed sediment |
| 01/28/2015 | CN104310065A 一种深海采矿阀控式清水泵矿石水力提升设备 One kind of deep-sea mining ore water pump hydraulic valve-lifting equipment |
| 01/22/2015 | WO2015008273A1 Mineral production, sorting, extraction and rinsing |
| 01/21/2015 | CN103352699B 用于深海滚筒式采矿装置的采深调节机构 Mining equipment for deep-sea mining deep drum adjustment mechanism |
| 01/15/2015 | WO2015005786A1 Vacuum control method for a riser line |
| 01/15/2015 | WO2015005782A1 Riser flow control |
| 01/08/2015 | US20150008719 Prospecting Immersable for Gold or P.I.G. |
| 01/07/2015 | CN104265300A 一种海底表层天然气水合物开采方法及开采装置 Submarine gas hydrate surface mining method and mining equipment |
| 12/31/2014 | CN103038447B 用于海底采矿的系统 For seabed mining system |
| 10/02/2014 | WO2014157118A1 Seabed resource lifting device |
| 09/25/2014 | WO2014153494A2 Vertical subsea roller mining tool system and method |
| 08/21/2014 | WO2014126535A1 A seafloor nodule concentrating system and method |
| 08/21/2014 | US20140230287 Method of recovering a deposit from the sea bed |
| 08/12/2014 | CA2694634C Methane hydrate dissociation accelerating and methane gas deriving system |
| 07/23/2014 | CN103939138A 海底填砂旋转式布料器 Seabed sand filling rotary distributor |
| 07/16/2014 | CN102839977B 一种深海多金属硫化物矿体截割阻力原位测试装置及方法 One kind of deep sea polymetallic sulphide ore cutting resistance situ testing device and method |
| 07/09/2014 | EP2751389A2 A method of recovering a deposit from the sea bed |
| 07/09/2014 | CN103917747A 从海床采收沉积物的方法 Harvested from the sea bed sediments method |
| 07/02/2014 | CN203685190U 一种水下垂直采矿装置 Underwater vertical mining equipment |
| 07/02/2014 | CN102322264B 天然气水合物开采完井收集运输平台系统 Completion collection and transportation of natural gas hydrate exploration platform system |
| 06/26/2014 | WO2014098913A1 Subsea mining system and method |
| 06/19/2014 | WO2014089599A1 Production support and storage vessel |
| 06/18/2014 | EP2743514A1 Gas lift system and gas lift method |
| 06/11/2014 | EP2739793A1 Device for removing sea bed |
| 06/11/2014 | CN103857922A Gas lift system and gas lift method |
| 06/04/2014 | CN102425420B Seabed ore gathering vehicle |
| 05/28/2014 | CN203614105U 一种双切割头浮动履带式采收机 A dual cutting heads floating crawler harvesting machine |
| 05/28/2014 | CN103821518A 一种海底多金属硫化物采集方法 Submarine sulphides collection methods |
| 05/22/2014 | WO2013050137A8 A method of recovering a deposit from the sea bed |
| 05/22/2014 | US20140137443 Apparatus and method for seafloor stockpiling |
| 05/22/2014 | US20140137442 System and method for seafloor stockpiling |
| 05/21/2014 | CN103806915A 一种海底多金属硫化物切削头 One kind of seafloor polymetallic sulphides cutting head |
| 05/14/2014 | CN203594452U 一种海洋矿产资源开采装置 A MARINE mineral resources exploitation unit |
| 05/14/2014 | CN103797215A 用于海底储存的系统和方法 System and method for subsea storage |
| 05/08/2014 | WO2014069803A1 Bi-directional manganese nodule light gathering equipment |
| 04/29/2014 | CA2793718C Underwater miner cutter head, underwater miner, and underwater mining system |
| 04/23/2014 | EP2721254A1 System and method for seafloor stockpiling |
| 04/09/2014 | CN203531915U Energy-saving floating type movable pressurized anchor ship |
| 04/09/2014 | CN203531914U Deepwater tailing sintering layer treatment device |
| 04/09/2014 | CN203531913U Treatment device for deepwater tailing sintering layer |
| 04/09/2014 | CN103717835A Apparatus and method for seafloor stockpiling |
| 04/03/2014 | WO2013050137A3 A method of recovering a deposit from the sea bed |
| 03/25/2014 | US8678514 Method for converting hydrates buried in the waterbottom into a marketable hydrocarbon composition |
| 03/19/2014 | EP2707548A1 Dredger provided with a remotely operable dredging vehicle, and method for dredging using such a dredger system |
| 03/19/2014 | CN103649420A Dredger provided with a remotely operable dredging vehicle, and method for dredging using such a dredger system |
| 03/12/2014 | CN103628881A Oceanic mineral resource exploitation device and exploitation method |
| 03/12/2014 | CN103628880A Green mining system of natural gas hydrate from non-lithified stratums of deep-sea seabed superficial layers |
| 03/06/2014 | DE102011052429B4 Vorrichtung zum Abbau von Meeresgrund A device for mining seabed |
| 02/26/2014 | CN102027193B Promotion of methane hydrate decomposition and methane gas collecting system |
| 02/20/2014 | WO2014026670A1 Device and method for mining solid materials from the sea bed |
| 02/20/2014 | DE102012016052A1 Einrichtung und Verfahren zum Abbau von Feststoffen am Meeresgrund Apparatus and method for reducing solids on the seabed |
| 02/12/2014 | EP2694779A1 Apparatus and method for seafloor stockpiling |
| 02/05/2014 | CN103551231A Pulse breaking mechanism, as well as seabed cobalt-rich crust breaking system and method |
| 01/30/2014 | WO2014015361A1 A self cleaning collection apparatus and method |
| 01/30/2014 | US20140028076 Safety exploitation and application of flammable ice, hydrogen and oxygen |
| 01/15/2014 | CN203394530U Mining depth adjusting mechanism for deep sea drum-type mining device |
| 01/08/2014 | CN103502538A Apparatus and method for the dredging of sediments from the seabed |
| 12/25/2013 | EP2675954A1 Apparatus and method for the dredging of sediments from the seabed |
| 11/28/2013 | US20130312296 System For Seafloor Mining |
| 11/27/2013 | CN102071937B Multi-metal sulfide mining shovel |
| 11/14/2013 | US20130298430 Method And Apparatus For Bulk Seafloor Mining |
| 11/06/2013 | CN102337895B Method and device for exploiting sea natural gas hydrate |
| 10/16/2013 | CN103352699A Mining depth adjustment mechanism for deep sea cylinder type mining equipment |
| 10/02/2013 | EP2644781A1 Pumping means intended for being trailed by a trailing suction hopper dredger and trailing suction hopper dredger equipped with such pumping means. |
| 10/02/2013 | CN103334756A Tailings recovery equipment and method |
| 09/25/2013 | CN203214066U Reamer |
| 09/12/2013 | WO2012153169A8 Apparatus and method for the dredging of sediments from the seabed |
| 08/28/2013 | CN103266895A Ocean sand excavation method |
| 07/10/2013 | CN103195430A Deep sea manganese ore collection mechanism |
| 06/27/2013 | WO2013090976A1 A disconnectable method and system for seafloor mining |
| 06/19/2013 | CN102392646B Marine gas hydrate electronic-spraying pump composite exploitation method and apparatus |
| 06/12/2013 | CN202989966U Gold dredger main driving device |
| 05/08/2013 | CN103085900A Deep sea rare soft substrate mine collector walking chassis |
| 05/02/2013 | WO2013061006A1 Device for raising sediment from the bottom of the sea |
| 05/01/2013 | CN103080475A Method and apparatus for bulk seafloor mining |
| 04/24/2013 | EP2582915A1 A system for seafloor mining |
| 04/24/2013 | EP2582914A1 Method and apparatus for bulk seafloor mining |
| 04/17/2013 | CN103046930A Suction type hydrate mining device and method |
| 04/11/2013 | CA2850563A1 A method of recovering a deposit from the sea bed |
| 04/10/2013 | CN103038447A A system for seafloor mining |
| 04/10/2013 | CN102704902B Natural gas hydrate exploiting method |
| 04/04/2013 | WO2013048241A1 Cutting device for an underwater excavation system |
| 04/03/2013 | CN101575964B Experimental method and device for simulating exploitation of gas hydrates |
| 03/20/2013 | CN101906971B New method for mining submarine cobalt crusts |
| 03/13/2013 | CN202788853U Cutting mechanisms for abysmal sea polymetallic sulfide ore body |
| 02/14/2013 | WO2013021840A1 Gas lift system and gas lift method |
| 02/14/2013 | WO2013020788A1 Device for removing sea bed |
| 02/14/2013 | US20130038113 Underwater miner cutter head, underwater miner, and underwater mining system |
| 02/14/2013 | CA2843570A1 Bubble lift system and bubble lift method |
| 02/08/2013 | DE202012010589U1 System zur mobilen Förderung von Rohstoffen in der Tief- und Tiefstsee unter Verwendung von einem Drohnentauchkörper mit einem Trägersystem und Einsatzsteuerungssystem für mitgeführte steuerbare Drohnentauchkörper System for mobile extraction of raw materials in the construction of civil Tiefstsee using a drone immersion element comprising a support system and use control system for controlled drones carried plummet |
| 02/07/2013 | DE102011052429A1 Vorrichtung zum Abbau von Meeresgrund A device for mining seabed |
| 02/06/2013 | CN102168561B Air lift method and air lift device in deep actual mining of tailings |
| 01/30/2013 | CN102900440A Undersea fully mechanized top coal caving mining method |
| 12/26/2012 | CN102839977A In-situ test device and in-situ test method used for cutting resistance of deep sea polymetallic sulfide ore bodies |
| 12/26/2012 | CN101709646B Floating drilling device of offshore drill |
| 12/20/2012 | WO2012171075A1 Apparatus and method for seafloor stockpiling |
| 12/20/2012 | WO2012171074A1 System and method for seafloor stockpiling |
| 12/12/2012 | CN102817389A Underwater robot capable of diving in seabed to perform dredging |