Patents
Patents for E21C 50 - Obtaining minerals from underwater, not otherwise provided for (408)
11/2012
11/22/2012WO2012158028A1 Dredger provided with a remotely operable dredging vehicle, and method for dredging using such a dredger system
11/15/2012WO2012153169A1 Apparatus and method for the dredging of sediments from the seabed
11/15/2012CA2825501A1 Dredging apparatus and method for removing sediments from a water bed
11/14/2012CN101586462B Method of suspending, completing and working over a well
10/2012
10/10/2012CN101705822B No-dilution isolation mining method for mid and thick sand deposits in shallow sea
10/03/2012CN102704902A Natural gas hydrate exploiting method
09/2012
09/13/2012DE102011106905A1 Method for conveying methane from methane hydrate deposits, involves limiting current action area of deposit from surrounding by covering device, and releasing gas from gas hydrate by heating limited area
08/2012
08/08/2012CN202370522U Combined mining device of seabed gas hydrate electric spraying pump
06/2012
06/13/2012CN101545366B An underwater mining method and its devices
05/2012
05/30/2012CN101539018B Deep seafloor sampling device
05/02/2012CN102434164A Marine polymetallic sulfide cutting device
04/2012
04/25/2012CN102425420A 海底集矿车 Seabed set tub
04/11/2012CN102410023A 一种深海充气浮体球 Deep - Sea inflatable float ball
03/2012
03/28/2012CN102392646A Marine gas hydrate electronic-spraying pump composite exploitation method and apparatus
02/2012
02/08/2012CN202140087U 一种整体式尾矿深层回采平台 A monolithic deep mining tailings platform
02/01/2012CN102337895A Method and device for exploiting sea natural gas hydrate
01/2012
01/25/2012CN101761340B Middle-waisted bidirectional filling and mining method under canopy guard in thick and great metal mine in sea bed
01/19/2012WO2012008936A1 Production line for producing sapropel-based fertilizers
01/18/2012CN102322264A Gas hydrate exploitation, well completion, collection and conveying platform system
12/2011
12/22/2011WO2011156867A1 A system for seafloor mining
12/22/2011WO2011156866A1 Method and apparatus for bulk seafloor mining
12/21/2011EP2396508A1 Method for converting hydrates buried in the waterbottom into a marketable hydrocarbon composition
12/07/2011CN101666286B 一种海洋能源一体化开发系统 A MARINE energy integration development system
11/2011
11/23/2011CN202047822U Hydraulic system of hydraulic mining machine
11/17/2011WO2011142319A1 Cutter head for underwater mining machine, underwater mining machine, and underwater mining system
11/17/2011CA2793718A1 Underwater miner cutter head, underwater miner, and underwater mining system
09/2011
09/14/2011CN102182462A Track adhesive-removing method and device of deep-sea mining machine
09/14/2011CN101746840B System for desalination of sea water by utilizing LNG cold energy
08/2011
08/31/2011CN102168561A Air lift method and air lift device in deep actual mining of tailings
08/03/2011CN102140917A Heave compensation simulation test device for deep-sea mining
08/03/2011CN101555797B Extraction device for undersea gas hydrate and extraction method thereof
08/03/2011CN101240700B Free gas layer-containing natural gas hydrate mining simulator
06/2011
06/01/2011CN102080544A Method and device for cutting cobalt crust at high speed in deep sea
05/2011
05/25/2011CN102071937A Multi-metal sulfide mining shovel
04/2011
04/20/2011CN102027193A Promotion of methane hydrate decomposition and methane gas collecting system
03/2011
03/02/2011EP2288789A1 Device for extracting a material situated at the bottom of an expanse of water, extraction installation and associated method
02/2011
02/16/2011CN201747338U Natural gas hydrate simulating mining experimental apparatus
01/2011
01/20/2011US20110010967 Deep Undersea Mining System and Mineral Transport System
01/06/2011WO2011001792A1 Method and equipment for dissociation of methane hydrate
12/2010
12/23/2010DE102009025654A1 System for removing soil deposits from water pools and for extracting minerals from water, has filter provided with brushes and linkages to prevent penetration of coarse particles under shut-off valve
12/22/2010EP2262577A2 Separator for receiving a pressurized fluid containing as a minimum a solid material and a liquid, and associated device and method.
12/08/2010CN101906971A New method and equipment for mining submarine cobalt crusts
12/01/2010CN101519967B Method and device for extracting volcanogenic massive sulfide ore deposit on seabed
12/01/2010CN101498219B Submarine hydrothermal solution sulfide mine mining vehicle
10/2010
10/13/2010CN201606080U 海洋钻机浮动钻进装置 Floating drilling unit Ocean Rig
09/2010
09/29/2010CN101382075B Ocean mining mechanism
08/2010
08/18/2010CN201554462U Pipe-type sand excavation equipment
08/18/2010CN1920251B Method and device for natural gas hydrate exploitation with in-situ catalytic oxidation thermochemistry method
07/2010
07/08/2010DE202009017894U1 Anlage zur Entfernung von Bodenablagerungen aus einem Wasserbecken und zur Gewinnung von Bodenschätzen aus dem Wasser System for removing soil deposits from a pool of water and extraction of minerals from the water
06/2010
06/30/2010CN101761341A Simple wellhead frame structure and construction method
06/30/2010CN101761340A Middle-waisted bidirectional filling and mining method under canopy guard in thick and great metal mine in sea bed
05/2010
05/19/2010CN101709646A Floating drilling device of offshore drill
05/12/2010CN1690360B Method and system for exploiting seabed natural gas hydrates
05/12/2010CN101705822A No-dilution isolation mining method for mid and thick sand deposits in shallow sea
04/2010
04/07/2010EP2171163A2 Device for extracting a material from the bed of a body of water and associated method
02/2010
02/03/2010CN100587227C Method for exploiting natural gas hydrates and device thereof
01/2010
01/07/2010WO2009125106A3 Separator for receiving a pressurized fluid containing at least one solid and one liquid material
01/06/2010CN201377317Y Data acquisition, recording and warning system for offshore oil drilling platform
12/2009
12/09/2009CN201358791Y Rotary mechanism for acquiring submarine hydrothermal solution sulfide
12/09/2009CN101598021A Exploration method for pressure bearing stored bitter and solid salts in saline
11/2009
11/25/2009CN101586462A Method of suspending, completing and working over a well
11/19/2009US20090284068 System and method of utilizing monitoring data to enhance seafloor sulfide production for deepwater mining system
11/12/2009WO2009136064A1 Device for extracting a material situated at the bottom of an expanse of water, extraction installation and associated method
11/11/2009CN101575964A Experimental method and device for simulating exploitation of gas hydrates
10/2009
10/21/2009CN201330605Y Split frame of operation type mineral extraction vehicle walking on abyssal floor
10/15/2009WO2009125106A2 Separator for receiving a pressurized fluid containing as a minimum a solid material and a liquid, and associated device and method.
10/14/2009CN101555797A Extraction device for undersea gas hydrate and extraction method thereof
09/2009
09/30/2009CN201318177Y Underwater sand suction casing and underwater sand suction device
09/23/2009CN101539018A Deep seafloor sampling device
09/16/2009CN201310360Y Submarine mining mechanism
09/02/2009CN101519967A Method and device for extracting volcanogenic massive sulfide ore deposit on seabed
09/02/2009CN100535390C Deep-sea mineral mining equipment
08/2009
08/26/2009CN201297174Y Salt digging machine
08/19/2009CN101509379A Deep water riser buoyance block closed-loop control system
08/05/2009CN201284651Y Solid-state exploitation experiment simulating device for natural gas hydrate
08/05/2009CN101498219A Submarine hydrothermal solution sulfide mine mining vehicle
08/05/2009CN100523434C Dispersed deep-sea partial trial-mining system
07/2009
07/15/2009CN101482021A Iron manganese concretion gravity ore dressing vehicle
07/15/2009CN101482020A Iron manganese concretion gravity ore dressing vehicle
07/15/2009CN101482019A Iron manganese concretion inertia ore dressing vehicle
07/15/2009CN101482018A Iron manganese concretion water screen ore dressing vehicle
07/15/2009CN101482017A Iron manganese concretion mining vehicle
05/2009
05/13/2009CN201236709Y Anti-leap clamper for floater
04/2009
04/29/2009CN201228551Y Clawing latch jack
03/2009
03/12/2009WO2009013434A3 Device for extracting a material from the bed of a body of water and associated method
03/11/2009CN101382075A Ocean mining mechanism
03/04/2009CN201202477Y Sand suction stone tube telescoping device
02/2009
02/25/2009CN201198753Y Natural gas hydrate mining simulating device containing free gas layer
02/05/2009WO2009016948A1 Promotion of methane hydrate decomposition and methane gas collecting system
02/05/2009CA2694634A1 Methane hydrate dissociation accelerating and methane gas deriving system
01/2009
01/29/2009WO2009013434A2 Device for extracting a material from the bed of a body of water and associated method
01/28/2009CN100455769C Method for extracting hydrate on bottom of sea by deep earth heart water circulation
01/14/2009CN101344003A Mining methane, sequestering carbon dioxide and farming in oceans
01/07/2009CN100449117C Extracting and conveying method and device of sea-bottom natural gas hydrate
11/2008
11/19/2008CN100434654C Cogeneration method for desalinating sea water and exploiting ocean natural gas hydrates
08/2008
08/13/2008CN101240700A Free gas layer-containing natural gas hydrate mining simulator
08/13/2008CN100410490C High pressure water cutting refuse mine valuable metals recovering process and equipment thereof
08/12/2008US7410220 Apparatus for assembling a liner
05/2008
05/21/2008CN101182771A Seabed gas hydrate mining methods and device
05/14/2008CN201059190Y Automatic sandstone charging crane
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