| Patents for B63C 11 - Equipment for dwelling or working under water; Means for searching for underwater objects (6,654) |
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| 03/19/1992 | WO1992004590A1 A method to operate with a wire-guided, in air or water, movable vehicle and a device for carrying out the method |
| 03/19/1992 | CA2088362A1 Method to operate with a wire-guided, in air or water, movable vehicle and a device for carrying out the method |
| 03/05/1992 | WO1992003332A1 Improved snorkeling system |
| 03/03/1992 | US5092327 Diving equipment powered by a diver's exertion |
| 03/03/1992 | US5092325 Scuba breathing apparatus |
| 03/03/1992 | US5092324 Snorkel for skin divers |
| 02/18/1992 | CA1296032C Pressure equalizing rotary joint |
| 02/06/1992 | WO1992001396A1 Apparatus and method for forming an adhesively bonded seam between resiliently compressible fabric sheets |
| 02/04/1992 | US5085163 Weight release system |
| 02/04/1992 | CA1295194C Audible alarm device for divers |
| 01/29/1992 | EP0467976A1 Flexible container for compressed gases |
| 01/22/1992 | CN2093813U Vertical coaxial multitubular diving respiratory tube |
| 01/21/1992 | US5082464 Diver tow vessel apparatus |
| 01/14/1992 | US5079775 Diving helmet |
| 01/09/1992 | WO1992000220A1 Method and device for tracing an object |
| 01/07/1992 | US5079753 Diver orientation apparatus and method |
| 12/31/1991 | US5076575 Weight belt |
| 12/31/1991 | US5076267 Closed circuit breathing device with pressure sensing means |
| 12/31/1991 | US5076189 Towed vehicle having an emergency release |
| 12/27/1991 | EP0433406A4 Diving regulator demand valve |
| 12/26/1991 | WO1991020085A1 Gauge protection apparatus |
| 12/24/1991 | US5074816 Multipurpose boat bucket |
| 12/24/1991 | US5074714 Independent scuba tank stabilizing/weight ballast frame |
| 12/18/1991 | EP0461506A1 Underwater mobile type inspection system |
| 12/18/1991 | EP0461315A1 Diving goggle |
| 12/11/1991 | EP0460980A1 Underwater breathing apparatus with variable volume |
| 12/04/1991 | CN2089912U Safety swimming cap |
| 12/03/1991 | US5069580 Subsea payload installation system |
| 11/28/1991 | WO1991017916A1 Breathing apparatus with multiple conduits for skin diving |
| 11/26/1991 | US5067920 Dive flag line dispenser apparatus |
| 11/26/1991 | US5067855 Casing for containing cameras, videocameras, flashlights portable radios and other articles which can be used in scuba diving |
| 11/26/1991 | US5067427 Semi-submerged water vehicle |
| 11/26/1991 | CA2043217A1 Gauge protector |
| 11/14/1991 | WO1991017467A1 Lens system for diver's mask |
| 11/13/1991 | EP0455688A1 Pressure vessels. |
| 11/05/1991 | US5062422 Offset anatomical mouthpiece |
| 10/28/1991 | WO1991017081A1 Respiratory apparatus used in water |
| 10/28/1991 | CA2030804A1 Underwater breathing apparatus |
| 10/23/1991 | EP0099885B1 Personal temperature control system |
| 10/09/1991 | EP0450215A1 Audible alarm device for divers |
| 10/08/1991 | US5054423 Apparatus for air delivery system |
| 10/04/1991 | WO1991015265A1 A breathing system for smoke diving and the like |
| 10/01/1991 | US5052384 Breathing apparatus |
| 10/01/1991 | US5052383 Device for supplying breathing gas to a diver |
| 10/01/1991 | US5052053 Garment for aquatic activities having increased elasticity and method of making same |
| 09/19/1991 | WO1991014122A1 A valve |
| 09/19/1991 | WO1991013800A1 System for undersea exploration with self-contained vessels |
| 09/17/1991 | US5049864 Display scheme for decompression data |
| 09/17/1991 | US5048519 Mouthpiece for diving |
| 09/10/1991 | US5046895 ROV service system |
| 09/10/1991 | US5046894 Buoyancy compensator with interchangeable backpack and commerbund |
| 09/10/1991 | US5046359 Underwater launched carrier |
| 09/10/1991 | US5046200 Reversible, quick-adjustable diver's face mask strap |
| 09/05/1991 | WO1991013233A1 Releasable hydraulic and/or electric connection for subsea equipment |
| 09/03/1991 | US5044017 Helmet retainers operated by rotary handles |
| 08/28/1991 | EP0442994A1 Method of studying pressure combustion processes of stoichiometrically burning hydrogen/oxygen under high pressures |
| 08/27/1991 | US5042959 Vehicle |
| 08/27/1991 | US5042525 Scuba apparatus |
| 08/27/1991 | US5042473 Demand valve for a respirator |
| 08/27/1991 | US5042391 Cable-guided messenger |
| 08/21/1991 | CA2076008A1 Releasable hydraulic and/or electric connection for subsea equipment |
| 08/20/1991 | US5040528 Autonomous breathing system for underwater diver's headgear |
| 08/15/1991 | CA2016789A1 Demand valve for a respirator |
| 08/13/1991 | US5039254 Passive grabbing apparatus having six degrees of freedom and single command control |
| 08/13/1991 | US5038774 Process and expander for supplying respiratory gas to an underwater diver |
| 08/07/1991 | EP0440517A1 Navigational system of a floating structure type allowing the exploration of the submarine environment |
| 08/07/1991 | EP0260323B1 Suspended construction and preparing method thereof |
| 08/06/1991 | US5036845 Hose; alternating expanded diameter and narrow diameter storage |
| 07/31/1991 | EP0439255A1 Electronic apparatus with depth meter |
| 07/30/1991 | US5035238 Regulator second stage for scuba |
| 07/25/1991 | WO1991010476A1 Garment for aquatic activities having increased elasticity and method of making same |
| 07/24/1991 | EP0437948A1 Underwater breathing apparatus |
| 07/23/1991 | US5033818 Electronic diving system and face mask display |
| 07/23/1991 | US5033142 Underwater environment |
| 07/16/1991 | US5031611 Customized scuba-diving mouthpiece and method of manufacture |
| 07/09/1991 | US5031160 Small-sized electronic device with depth gauge |
| 07/06/1991 | WO1991009772A1 Fresh air snorkel for divers |
| 07/06/1991 | CA2073175A1 Fresh air snorkel for divers |
| 07/02/1991 | US5027805 Snorkel assembly |
| 06/26/1991 | EP0433406A1 Diving regulator demand valve. |
| 06/25/1991 | US5025935 Portable upright scuba cylinder retention rack |
| 06/25/1991 | US5025502 Puff-off glove |
| 06/13/1991 | DE3940317A1 Diving mask with drainage system - has inner auxiliary mask connected to throat of venturi water-drainage tube |
| 06/11/1991 | US5022790 Audible signalling system for divers |
| 06/11/1991 | US5022100 Apparatus and method for underwater acoustic receiving system installation in diving helmet |
| 06/04/1991 | US5020941 Diver's vest |
| 05/29/1991 | CN2077849U Piezoelectric membrane circular water earphone with tug cable array |
| 05/22/1991 | EP0428131A2 Pressure monitoring device for self-contained breathing apparatus |
| 05/21/1991 | US5016483 Method and apparatus for determination and display of critical gas supply information |
| 05/16/1991 | WO1991006832A1 A gas flow measuring system |
| 05/14/1991 | CA2029799A1 Pressure monitoring device for self-contained breathing apparatus |
| 05/07/1991 | US5012964 Amphibious backpack |
| 04/30/1991 | US5011334 Buoyancy compensator with interchangeable accessories |
| 04/30/1991 | US5010835 Semi-submerged glass boat |
| 04/17/1991 | EP0422652A1 Breathing apparatus |
| 04/16/1991 | US5007871 For under water search and exploration |
| 04/12/1991 | CA2027289A1 Breathing apparatus |
| 04/10/1991 | EP0420978A1 Underwater stairs |
| 04/04/1991 | DE3931968A1 Breathing appts. for canoeist - has mouth or nose connection to canoe enclosed air chamber |
| 04/03/1991 | EP0232306B1 View port for an underwater vehicle |