Navatek, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 731
 
  
 
B60F VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES 16
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
B63H MARINE PROPULSION OR STEERING 139
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9284001 Buoyant track amphibious transporter and traction cells thereforFeb 28, 12Mar 15, 16[B60F, B63H, B62D]
9038561 Planing hull for rough seasApr 12, 12May 26, 15[B63B]
8800466 Inflatable watercraft with reinforced panelsJun 22, 11Aug 12, 14[B63B]
8584734 Two material phase change energy storage systemFeb 10, 09Nov 19, 13[F28D]
8210116 Watercraft with hull ventilationSep 06, 10Jul 03, 12[B63B]
7845301 Ventilated aft swept flow interrupter hullMay 13, 08Dec 07, 10[B63B]
7845302 Ventilated flow interrupter stepped hullMar 18, 08Dec 07, 10[B63B]
7191725 Bow lifting bodyJan 23, 06Mar 20, 07[B63B]
7004093 Low drag submerged asymmetric displacement lifting bodyApr 30, 04Feb 28, 06[B63B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0207,591 Variable Second Pad KeelAbandonedSep 04, 15Jul 21, 16[B63B]
2015/0329,178 Planing Hull with Concentric Pad KeelAbandonedJan 16, 15Nov 19, 15[B63B]
2011/0045,716 BUOYANT TRACK AMPHIBIOUS TRANSPORTERAbandonedOct 18, 07Feb 24, 11[B60F]
7598624 Marine wave energy conversion systemExpiredOct 24, 08Oct 06, 09[F03B]
2009/0223,431 BOW LIFTING BODY WITH DEADRISEAbandonedMar 06, 08Sep 10, 09[B63B]
7470161 Lifting body water jet propulsion inlet inductorExpiredMar 15, 07Dec 30, 08[B63H]
7459802 Marine wave energy conversion systemExpiredDec 13, 07Dec 02, 08[F03B]
7418915 Entrapment tunnel monohull optimized waterjet and high payloadExpiredMar 15, 07Sep 02, 08[B63B]
7380514 Hull with improved trim controlExpiredAug 29, 06Jun 03, 08[B63B]
7357687 Marine propulsion steering systemExpiredDec 29, 06Apr 15, 08[B63H]
7338336 Watercraft hull with adjustable keelExpiredDec 06, 05Mar 04, 08[B63H]
7311059 Watercraft hull with entrapment tunnelExpiredDec 23, 05Dec 25, 07[B63B]
7299763 Hull with propulsion tunnel and leading edge interceptorExpiredDec 06, 05Nov 27, 07[B63B]

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