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Class Information
Number: 114/286
Name: Ships > Hull or hull adjunct employing fluid dynamic forces to derive a lift or alter trim, (e.g., planing hulls, etc.) > Movably mounted hull portion or hull adjunct > Trim tab or hull plate > With fluid motor
Description: Device wherein a gas or liquid powered motive means is provided to shift the generally planar element.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7143711 |
Trim tab shape control system |
Dec. 5, 2006 |
| 7131386 |
Marine propulsion system with pressure compensated hydraulic supply capability |
Nov. 7, 2006 |
| 7013825 |
Jack plate operated trim for power boats |
Mar. 21, 2006 |
| 6823812 |
Trim tabs and surface drive propeller bite control |
Nov. 30, 2004 |
| 6745715 |
Stern flap corrective motion and fuel saving control system for marine vessels |
Jun. 8, 2004 |
| 6583728 |
Trim tab position monitor |
Jun. 24, 2003 |
| 6571724 |
Stern depressor type motion stabilization system for marine vessel |
Jun. 3, 2003 |
| 6354237 |
Coordinated trim tab control system for a marine vessel having port and starboard trim tabs |
Mar. 12, 2002 |
| 6264513 |
Wireless marine control system |
Jul. 24, 2001 |
| 6138601 |
Boat hull with configurable planing surface |
Oct. 31, 2000 |
| 6095077 |
Apparatus for motorized boat attitude adjustment |
Aug. 1, 2000 |
| 6089177 |
Trim tab and variable-exhaust system especially for motor boats and motor yachts |
Jul. 18, 2000 |
| 5832863 |
True track trim blades |
Nov. 10, 1998 |
| 5806455 |
Trim adjusting device for planing hull |
Sep. 15, 1998 |
| 5549071 |
Ski tow boat with wake control device and method for operation |
Aug. 27, 1996 |
| 5524567 |
Trimming device for a water borne vessel |
Jun. 11, 1996 |
| 5474012 |
Automatic control for trim tabs |
Dec. 12, 1995 |
| 5474013 |
Trim tab auto-retract and multiple switching device |
Dec. 12, 1995 |
| 5385110 |
Boat trim control and monitor system |
Jan. 31, 1995 |
| 5383419 |
Watercraft trim system |
Jan. 24, 1995 |
| 5315951 |
Means for improving the performance of planing-type boat hulls |
May. 31, 1994 |
| 5263432 |
Automatic trim tab control for power boats |
Nov. 23, 1993 |
| 5117741 |
Double wall hydraulic cylinder |
Jun. 2, 1992 |
| 5113780 |
Automatic boat trim tab control |
May. 19, 1992 |
| 5058520 |
Apparatus for influencing the position of a boat in water |
Oct. 22, 1991 |
| 4967682 |
Stabilizing system for a boat |
Nov. 6, 1990 |
| 4909175 |
Boat with trimmable bottom |
Mar. 20, 1990 |
| 4854259 |
Improved trim-tab control system for power boats |
Aug. 8, 1989 |
| 4836124 |
Mounting assembly with trim plate for outboard motors |
Jun. 6, 1989 |
| 4781632 |
Anti-ventilation plate |
Nov. 1, 1988 |
| 4742794 |
Trim tab indicator system |
May. 10, 1988 |
| 4644893 |
Position indicating apparatus for use in a boat leveling system |
Feb. 24, 1987 |
| 4597742 |
Trimming arrangement for planing hulls |
Jul. 1, 1986 |
| 4519336 |
Rear extension for boat hull |
May. 28, 1985 |
| 4406635 |
Marine vessel with at least one propeller |
Sep. 27, 1983 |
| 4261278 |
Gyro-controlled pitch stabilizing system |
Apr. 14, 1981 |
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