Matches 1 - 16 out of 16
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4630997 Apparatus for producing a force when in a moving fluid  
A device for producing a force when in a moving fluid, such as air or water, and a method for using said device. The device may be placed in a fluid moving in a first direction for producing a...
3480011 DEVICE FOR DISCHARGING THE GASES EXHALED BY THE WEARER OF A RESPIRATORY APPARATUS  
3182622 Mercury tilting system for watercraft  
3169500 Method of navigation for a submarine boat  
3149752 Flow signal for compressed gas tanks  
3147752 Mouthpiece for breathing apparatus  
3144171 Acoustic warning assembly for skin diving apparatus  
3131406 Vessels having a collapsible bottom and inflatable surround  
3103195 Self-propelled submersible vessel  
3095890 Demand regulator for breathing apparatus  
3082731 Towed vehicle for submarine submersion  
3082442 Swimmer's fin  
3028860 Reserve disposal arrangement for breathing apparatus  
2598248 Compressed gas container with reducing valve and auxiliary opening means therefor  
2593988 Diving apparatus  
2485039 Diving unit  

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