Patents for B63C 11 - Equipment for dwelling or working under water; Means for searching for underwater objects (6,654)
06/1982
06/22/1982US4336591 Maximum depth monitoring apparatus
06/08/1982US4333414 Submersible twin-hull watercraft
06/01/1982US4332510 Method and apparatus for recovering a length of an elongated body, submerged in water
05/1982
05/05/1982EP0050628A1 Safety device, particularly for divers
05/04/1982US4327584 Decompression gauge
04/1982
04/13/1982US4324534 Power supply apparatus
04/13/1982US4324507 Automatically-controlled buoyancy vest
04/13/1982US4324234 Dual chamber personal flotation device
04/13/1982US4324195 Tender for submarine cable
04/07/1982EP0048894A1 Air supply for divers from the water surface
04/01/1982WO1982000985A1 Diving device
03/1982
03/30/1982CA1120788A1 Underwater craft for acoustic inspection of pipelines for leaks
03/17/1982EP0047575A2 Pressure demand regulator with automatic shut-off
02/1982
02/09/1982US4314566 Air cooler for self-contained breathing system
02/03/1982EP0007916B1 Underwater communications device
02/02/1982CA1117252A1 Evacuated diving suit insulation
01/1982
01/26/1982US4312287 Apparatus for handling submersibles at sea
01/26/1982CA1116974A1 Method and apparatus for emergency transfer and life support of saturation divers
01/19/1982CA1163523B Breathing valve assembly with diaphragm control of the exhaust ports
01/19/1982CA1116494A1 Breathing valve assembly with diaphragm control of the exhaust ports
01/12/1982US4310110 Scuba tank harness
12/1981
12/30/1981EP0042398A1 A method for laying a flexible pipeline and pipeline to carry out this method
12/22/1981US4307449 Electronic time-counter for the diving
12/22/1981CA1114682A1 Submerged device with automatic depth control for oceanographic apparatus
12/15/1981US4305685 Quick release divers belt
12/09/1981EP0041194A1 Apparatus to automatically limit the upward speed during the ascent of a diver
12/08/1981US4304229 Underwater-breathing device
12/02/1981EP0040624A1 Self-power supplied floating island
12/01/1981US4303608 Apparatus and method for molding of submerged surfaces
12/01/1981US4302860 Floating device for swimming activities
11/1981
11/26/1981WO1981003313A1 Device for the spontaneous limitation of the ascensional speed during the re-ascension of divers
11/24/1981US4301761 Depth and hover control system for unmanned underwater vehicle
11/24/1981CA1112979A1 Breathing apparatus chemical canister with dust seal
11/17/1981US4300254 Release mechanism for underwater device, such as seismograph
11/12/1981WO1981003158A1 Safety device,particularly for divers
11/11/1981EP0039334A1 Device for collecting oil escaping accidentally from a under-water oil sheet
11/10/1981US4299066 Dome structure having at least one environmentally isolatable compartment
11/03/1981US4297998 Pilot controlled regulator second stage
10/1981
10/27/1981CA1111325A1 Diving headgear for use in return-line diving systems
10/20/1981US4295604 Automatic temperature control system for diver heating system
10/13/1981US4294242 Survival system
10/13/1981US4294225 Diver heater system
10/13/1981US4293957 Wet suit
10/13/1981CA1110511A1 Unidirectional fluid flow membrane
09/1981
09/23/1981EP0035993A1 Apparatus for heating breathing gas for divers
09/16/1981EP0035961A1 Reserve air indicator for a decompression indicator
09/15/1981US4289126 Pressure regulator for breathing apparatus
09/08/1981US4288396 Heating and humidifying
09/08/1981US4288176 Underwater air pocket work unit
09/08/1981CA1108482A1 Depth servo for underwater trailing apparatus
09/01/1981US4286896 Diving structure and method of deployment of the structure
09/01/1981US4286539 Dual buoyancy device
08/1981
08/26/1981EP0034569A2 Automatic life jacket inflator for divers
08/25/1981US4285339 Electronic closed loop servomechanism and electronic scuba regulator therefor
08/18/1981US4284169 Bubble noise reduction
08/18/1981US4284075 Diving headgear for use in return-line diving systems
07/1981
07/21/1981US4279040 Diving mask
07/14/1981US4278080 Diving snorkel
07/14/1981CA1104973A1 Submersible vehicle deployment and recovery system for rough water
07/07/1981US4276851 Underwater cruise device
07/07/1981CA1104356A1 Deep water repair methods and apparatus
06/1981
06/25/1981WO1981001735A1 A method for laying a flexible pipeline and pipeline to carry out this method
06/24/1981EP0030573A1 Method and apparatus for the heating of underwater equipment
06/23/1981US4274759 Non-return hot water diving suit
06/23/1981US4274405 Method for varying the ambient pressure in a vessel
06/23/1981US4274158 Evacuated diving suit insulation
06/17/1981EP0030483A1 Heat exchanger
06/16/1981US4273120 Underwater breathing apparatus
06/11/1981WO1981001539A1 Self-power supplied floating island
06/03/1981EP0029771A1 Isothermal life-jacket
05/1981
05/26/1981US4269791 Hydrogen-oxygen mixer apparatus and process
05/26/1981US4269182 Underwater breathing device for a swimmer
05/12/1981US4266539 Carbon dioxide scrubber and gas regenerator unit for a closed circuit rebreathing apparatus
05/12/1981US4266538 Pressure regulator
04/1981
04/02/1981WO1981000875A1 Device for collecting oil escaping accidentally from a underwater oil sheet
03/1981
03/31/1981US4258794 Underwater completion habitat
03/25/1981EP0025444A1 Processes and devices for regulating the partial pressure of oxygen of the gas mixture in a respiratory circuit of a diver.
03/17/1981US4256699 Oceans, underwater, gases
03/17/1981CA1097511A1 Method and a self-propelling machine for digging trenches under water
03/03/1981US4253455 Breathing valve assembly with diaphragm control of the exhaust ports
02/1981
02/17/1981US4250877 Diver's helmet and face mask for use therewith
01/1981
01/20/1981US4245632 Underwater breathing apparatus
01/20/1981US4245578 Process and apparatus for handling a diving machine
01/07/1981EP0022012A1 Portable hyperbaric caisson
12/1980
12/30/1980US4241898 Purge valve for diver's mask
12/30/1980CA1092697A1 Underwater inspection and communication apparatus
12/30/1980CA1092375A1 Apparatus for recovering, by means of a pipelaying craft, pipes laid on deep sea beds
12/23/1980US4240371 Signal bladder
12/16/1980US4239211 Process of producing a weighted exercising device
12/16/1980US4238864 Diver's floater
12/09/1980US4237917 Underwater diving system
12/02/1980US4236546 Electronic breathing mixture control
12/02/1980US4236502 Portable heating system
12/02/1980CA1090673A1 Breathing apparatus
11/1980
11/27/1980WO1980002541A1 Apparatus for heating breathing gas for divers
11/26/1980EP0019488A1 Tilt valve and breathing apparatus with which it is used
11/25/1980CA1090201A1 Self propelled, uninhabited deap sea vehicle for use in dredging, loading and surface transportation of polymetallic nodules, arctic fishing and lifting of submerged bodies
11/25/1980CA1090200A1 Launching and recovering submersible craft
11/18/1980US4234268 Apparatus for recovering, by means of a pipelaying craft, pipes laid on deep sea beds
11/18/1980US4233924 Underwater craft launch tube
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