| Patents for B63B 39 - Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude (2,431) |
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| 05/02/1978 | US4086869 Boat trim adjusting apparatus |
| 04/18/1978 | US4084534 Roll damping tanks for ships and like vehicles |
| 12/06/1977 | US4061102 Roll stabilizer for boats |
| 11/15/1977 | US4058077 Power boats with hydrodynamic lifting devices |
| 10/25/1977 | US4054961 Stabilizing device for an inflatable raft |
| 08/16/1977 | US4041885 Apparatus for and method of stabilizing a marine vessel in pitch |
| 08/09/1977 | US4040373 Steering and stabilization apparatus for watercraft |
| 05/17/1977 | US4023516 Ship stabilizing systems |
| 03/29/1977 | US4014280 Attitude control system for seagoing vehicles |
| 02/01/1977 | US4005670 Passive stabilization system for ships |
| 01/04/1977 | US4000646 Wave height measuring device |
| 12/07/1976 | US3995575 Semidisplacement hydrofoil ship |
| 11/09/1976 | US3990384 Hull with righting moment producing fins |
| 10/26/1976 | US3987640 Column stabilized semisubmersible pipelaying barge |
| 10/19/1976 | US3986471 Semi-submersible vessels |
| 09/28/1976 | US3982424 Apparatus for measuring metacentric height of a ship |
| 09/21/1976 | US3981258 Waterski sailboat |
| 09/14/1976 | US3980035 Attitude control devices for stern drive power boats |
| 09/07/1976 | US3978805 Stabilized floating platforms |
| 08/31/1976 | US3977349 Boat positioning device |
| 07/06/1976 | US3968353 Apparatus for determining the phase difference between the rolling oscillation of a ship and a liquid contained in a stabilizing tank |
| 06/29/1976 | US3965837 Vessel having improved wave response characteristics |
| 05/18/1976 | US3957010 Stabilization system for water vehicles, platforms, and structures in wind-maintained seas |
| 05/11/1976 | US3955527 Marine propulsion trim tab with anti ventilation means |
| 05/04/1976 | US3954077 Trimarans |
| 04/27/1976 | US3952680 Roll stabilizer for vessels at rest |
| 04/20/1976 | US3951089 Roll-damping tanks for waterborne vessels |
| 04/13/1976 | US3949700 Trim adjustment for a jet boat |
| 01/27/1976 | US3934535 Roll stabilizer for a boat |
| 01/27/1976 | US3934534 Marine vessel roll stabilizer apparatus |
| 01/13/1976 | US3931781 Stabilizer unit for marine vessels |