|
Match
|
Document |
Document Title |
|
|
6138397 |
Method and device for operation of a trawl
|
|
|
6131327 |
Otter board
The invention relates to an otter board (20) which may be used for generating a spreading force in connection with trawl fishing. The otter board according to the invention comprises at least two...
|
|
|
5444933 |
Trawl fishing gear and trawl fishing method
Trawl fishing gear characterized by providing net-mouth expanding bodies at respective predetermined positions near or upstream of upstream ends of respective wing portions of the trawl net. This...
|
|
|
5341591 |
Planer board
A trolling assembly, adapted to be connected to a fishing boat by a tow line so that the assembly is drawn behind the boat and laterally to the course of the boat allowing a plurality of trolling...
|
|
|
5283972 |
Otter board
A towable Otter Board having upstream facing flap portions is disclosed for use in trawl fishing applications. The flap portions are used to divert fluid flow from the concave lower board surface...
|
|
|
5267408 |
Otter board
An otter board, the net-mouth expanding force of which can be freely adjusted corresponding to the fishing style. The otter board according to the invention is charactrized in that, said otter...
|
|
|
5265367 |
Otter board
Otter board which is provided with a means for adjusting net-mouth expanding force which can be driven by liftingrope thereby to freely vary said force. According to the first embodiment of the...
|
|
|
5201137 |
Hydrodynamic trawl opening device
A hydrodynamic trawl opening device is disclosed consisting of a structure 11) with at least two flexible superimposed wings (12, 13), joined together by a plurality of flexible dividing walls (14)...
|
|
|
5193300 |
Tripanel hydrodynamic depressor for fishing lines
The plate body of a hydrodynamic depressor is composed of a flat central panel flanked along its opposite longitudinal edges by side panels disposed at dihedral angles to the central panel. The...
|
|
|
5105572 |
Construction of and technique for fastening wear shoes to a trawl door
A wear shoe apparatus for protecting the bottom of a trawl door used to open a trawl being pulled behind a fishing boat. A lower wear shoe is provided with a bottom and two walls extending upward...
|
|
|
4894946 |
Otter board
An otter board comprising a front board member and rear board member. The rear board member is connected to the front board member through variable connecting mechanism, so that the relative...
|
|
|
4879830 |
Trawl door
A trawl door is disclosed including a V-shaped member having two louvers and a three point tow cable attachment system. One louver is located on each side of the central longitudinal axis and...
|
|
|
4653213 |
Low resistance net-supporting frame assembly
An end door for a trawling net has an open framework for clearance of debris and panel structure secured to the framework therebehind for providing the required resistance to keep the mouth of the...
|
|
|
4640037 |
Trawl doors
A member (3) is pivotally mounted on the inner face of a trawl door 1, and said member can be attached to a trawl warp which is attached to a trawler. A resilient connection (12) is provided...
|
|
|
4597214 |
Trawling apparatus
Trawling apparatus, including otterboards, sleds and mid-water boards (47) have transverse slats (50,54) fixed to a frame, has uprights (48) and a shoe. The apparatus is towed via a towing yoke...
|
|
|
4344247 |
Otterboard
An otterboard and a method of manufacturing an otterboard are disclosed wherein the otterboard is comprised of a plate member, a shoe member and a sole plate. The shoe member is formed of a tough...
|
|
|
4180935 |
Hydrofoil trawl door
A hydrodynamically superior trawl door with increased efficiency in harvesting fish and reducing fuel expenditures is composed of curved steel panels, which may be of constant radius to allow for...
|
|
|
4045901 |
Trawler doors
A cooperating pair of trawler doors is disclosed wherein each door comprises a longitudinally arcuate body with a convex inner side and a concave outer side, at least one louver in the body...
|
|
|
3774334 |
TRAWL DEVICE
A trawl device for deep sea fishing has a board, to which a connector bracket is attached, and which extends longitudinally thereof. A brace extends diagonally from said board to said bracket,...
|
|
|
3460284 |
DEVICE FOR OPENING TRAWL NETS
|
|
|
3410014 |
Trawl boards
|
|
|
3401477 |
Attitude control of trawl doors
|
|
|
3372507 |
Self-uprighting trawl doors
|
|
|
3353293 |
Try net trawl doors
|
|
|
3353292 |
Ballast and buoyancy attachments for trawl doors
|
|
|
3315398 |
Trawl doors
|
|
|
3308568 |
Polyhedral trawl door
|
|
|
3299560 |
Sectional trawl doors
|
|
|
3299559 |
Trawl net load responsive apparatus
|
|
|
3281980 |
Progressively flooding trawl doors
|
|
|
3269048 |
Trawl door and bridle apparatus for same
|
|
|
3247612 |
Trawl door with longitudinal anterior vanes
|
|
|
3231998 |
Invertible trawl door with resilient edge and adjustable ballasting
|
|
|
3225483 |
Trawl door construction involving universal and interchangeable components
|
|
|
3201889 |
Shrimp net door
|
|
|
3190025 |
Trawling otters
|
|
|
3079720 |
Otter boards for trawl nets
|
|
|
3048936 |
V-door for trawling and bridle therefor
|
|
|
3015903 |
Shrimping gear
|
|
|
3007274 |
Trawl door
|
|
|
2942371 |
Dual-purpose midwater-bottom otterboard
|
|
|
2816385 |
Trawl doors and towing bridles therefor
|
|
|
2797521 |
Fishing line attachment
|
|
|
2736122 |
Title is not available
|
|
|
2729910 |
Controllable depth maintaining devices
|
|
|
2689425 |
Fishing-net adjustable at various depths
|
|
|
2686380 |
Fan type dredge
|
|
|
2661562 |
Trawling otter
|
|
|
2608781 |
Otter board
|
|
|
2603904 |
Kite for the head ropes of trawl nets and similar fishing nets
|