Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/86
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Buoyant shark screen encircling user
Description: Device wherein a buoyancy means to float the user is combined with a means to surround and hide the user from a shark.

Patents under this class:

Patent Number Title Of Patent Date Issued
7238075 Personal water activity apparatus with variable light display for protection against sharks and other water-borne predators Jul. 3, 2007
7052341 Method and apparatus for controlling a propulsive force of a marine vessel May. 30, 2006
4494245 Techniques for repelling predatory animals by the use of aposematic patterns and coloration Jan. 22, 1985
4394124 Flotation life support device Jul. 19, 1983
4223415 Waterborne life-saving apparatus Sep. 23, 1980
4166462 Self-propelled shark-proof cage Sep. 4, 1979
3986220 Shark screen Oct. 19, 1976

  Recently Added Patents
Vacuum switch and electrode assembly therefor
System and methods for random parameter filtering
Computer systems and methods for the query and visualization of multidimensional databases
Cryptographic key split combiner
Methods and systems for identifying and changing resolutions to cause an aspect ratio of a printed image to match an aspect ratio of image data
Related news articles
  Randomly Featured Patents
Method and apparatus for ablative processing of elastomeric products
Process of polishing a semiconductor wafer having an orientation edge discontinuity shape
Air-core grid for scattered x-ray rejection
Method and device for encoding and/or decoding a sequence of discrete source values and data carrier provided with an encoded sequence of source values
Method of reading and logically OR'ing or AND'ing a four-transistor memory cell array by rows or columns
Apparatus for producing a continuous flexible reinforced tubular conduit
Aqueous polymerizable monomer composition, gas barrier film and production process of the film
Method and apparatus for use in the extrusion of billets
Methods and devices for enhancing intensity of on-surface lines cast by laser line projectors or the like
Perpendicular magnetic recording medium and apparatus including a soft magnetic layer, an at least 20 nm thick non-magnetic layer, and a 50-90 nm gap length