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

Icon_funbox Bizarre Patents

Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

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 440/34 - Cable system


Subclass of Class 440 - Marine propulsion
Definition: Device wherein the propulsion means includes the use of
No. of patents: 11
Last issue date: 01/02/2007


NumberTitleIssue Date
7156036Launch and recovery system
The launch and recovery system provides a dive wing and drogue assembly that is towed behind a ship by cables. The dive wing imparts a downward thrust to the drogue, so that the drogue is towed underwater, placing tension on the cables. The cables become stiff due t...
01/02/2007
7037862Dielectric layer forming method and devices formed therewith
Embodiments in accordance with the present invention provide alternative materials, and methods of forming such materials, that are effective as dielectric layers. Such embodiments include forming metal-containing dielectric layers over a silicon-containing substrat...
05/02/2006
4893577Tow rope pylon with rotatable bushing
A pylon for a tow rope for water skiing and the like includes a bushing rotatably mounted on the upper end of the pylon for reducing friction between the tow rope and the pylon. The bushing includes a cylindrical central portion and radially enlarged uppe...
01/16/1990
4846690Water ski training apparatus
Two pairs of water skis are provided. A ski tow line has one end which is removably connectable to a main tow line and two connecting lines at the other end which are removably connectable to one pair of water skis. A sleeve is slideably located around th...
07/11/1989
4643121Method of adding propulsive force to ice breaker
A method of adding propulsive force to an ice breaker in the process of breaking ice in a frozen sea by utilizing the strong tractive force of a winch, in which a pile is first inserted in the ice, and then, a cable connected with the pile is wound up by ...
02/17/1987
4426908Elastic tension member
An elastic tension member comprises a jacket surrounding a core, the latter comprising a non-stretchable line in working relation with at least one elastic member. The line may comprise a cord, the terminal portions of the elastic member being fastened to...
01/24/1984
4422400Marine system for unloading and loading bulk product
A marine loading/unloading system for barges, etc. including a floating transfer vessel of catamaran configuration into and through which strings and tiers of barges and large single barges, empty and loaded with liquid or solid bulk product, are moved an...
12/27/1983
4302858Steerable towed vehicle
A watersled towed behind a moving boat is steerable from side to side by a rider pulling on or releasing the handle on a single control rope which is attached to a tow rope. The handle is held at various positions by two cleats connected to a raised secti...
12/01/1981
4299184Method of towing large masses at sea
A large floating mass (10) such as an off-shore structure or an iceberg is towed using two sea anchors (20 & 30) alternately. The motive power for towing is derived from winch means (15 & 16) on the large floating mass or on a barge immediately in front o...
11/10/1981
4235182Traction arrangement for use by a sail surfer or water skier
A traction arrangement for use by a sail surfer or water skier who is pulled along by holding onto a bar-shaped member connected to pulling apparatus, has two pulling elements which are arranged to be worn by a user and each having a leading end, and two ...
11/25/1980
4205619Automatic flare signal apparatus
An apparatus for indicating breakage of a tensioned rope, or chain or the like by firing flares or other warning signals. In the preferred embodiment, an auxiliary cable running parallel to the towing or mooring cable is used to actuate firing of a first ...
06/03/1980
 
Sign InRegister
Username  
Password   
forgot password?