U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 114/287 - Expanding bladder


Subclass of Class 114 - Ships
Definition: Device wherein the fluid motor comprises a pliant bag-like
No. of patents: 8
Last issue date: 04/29/2008


NumberTitleIssue Date
7364484Toy airboat
A toy airboat (10) having a negative trim element (38) and an adjustable positive trim element (44) for selectively controlling the performance of the craft in varying environmental conditions such as wind speeds and wave heights. The negative t...
04/29/2008
7318389Device and method for controlling trimming flaps on a watercraft, as well as a watercraft having a corresponding device
A device for controlling trimming flaps (12, 13) of a watercraft (10), preferably having two trimming flaps (12, 13) and in each case at least one hydraulically operated for adjustment of the inclination angle (15) of the associated trimm...
01/15/2008
7143711Trim tab shape control system
A trim tab shape control system for a boat with a transom according to an embodiment of the present invention includes a flexible plate and a trim tab control system. The flexible plate has a forward end attached to the transom, a rearward end, and an operative bott...
12/05/2006
5058520Apparatus for influencing the position of a boat in water
An apparatus for influencing the position of a boat in water, with trim flaps disposed on either side of the longitudinal axis of the boat, the flap angles of said trim flaps always being adjustable by a drive with a control device, which acts upon all th...
10/22/1991
4538539Deformable shrouded water foil
An underwater appendage for sailboats, such as a keel or rudder, is fitted with an external shell-like shroud, which is placed around a core portion of the appendage such that the outer shroud forms a deformable water foil which is fastened on both sides ...
09/03/1985
4494477Boat hull
A boat hull having water engaging parallel hull portion separated by a bridge portion and an intermediate water-engaging hull portion disposed between adjacent parallel hull positions and underneath each bridge portion. An expandable and compressible plen...
01/22/1985
4351262Boat hull
A boat hull having a pair of water engaging parallel hull sections separated by a bridge portion, an intermediate water-engaging hull section being disposed between the parallel hull sections and underneath the bridge portion. An expandable bag being disp...
09/28/1982
3977349Boat positioning device
A boat is equipped with a positioning device for adjusting its depth position in response to the load of the boat and a pressure space such as a flexible bag is disposed between oppositely arranged trim tabs, the position of the trim tabs being controlled...
08/31/1976
 
Sign InRegister
Username  
Password   
forgot password?