Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/9
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > Having means to release buoy upon submergence > Gas assisted
Description: Buoy wherein the release of the buoy is assisted by a gas and wherein the release or generation of the gas is initiated by sinking of the body or vessel.

Patents under this class:

Patent Number Title Of Patent Date Issued
8613635 Fluid activated retrieval device Dec. 24, 2013
6332819 Object retrieval device used in water Dec. 25, 2001
5911542 Unsinkable floating dock system Jun. 15, 1999
5857881 Automatically inflating bladder and line severing means for rod and reel Jan. 12, 1999
4932910 Emergency location marker system Jun. 12, 1990
4540370 Retriever for submerged objects Sep. 10, 1985
4295438 Rescue locator signal package Oct. 20, 1981
3997930 Retrieving device Dec. 21, 1976
3982294 Retriever Sep. 28, 1976

  Recently Added Patents
Collaborative data redundancy for configuration tracking systems
Methods and systems for managing electronic messages
Performing failover for a plurality of different types of videoconferencing devices
Optical scanner and image-forming device
Fabrication of high gradient insulators by stack compression
Stacked structure and stacked method for three-dimensional chip
Method and device for operating a vehicle having a hybrid drive
  Randomly Featured Patents
Reducing dead-time effect in MRI projection
Method and apparatus for safely controlling explosions in black liquor recovery boilers
Band applicator for applying a band about a sheet of material and a pot
Ammonia (NH.sub.3) storage control system and method at low nitrogen oxide (NO.sub.x) mass flow rates
Prevention against noise of digital audio circuit
Ice maker component mounting means
Method and apparatus for file sharing between a group of user devices with encryption-decryption information sent via satellite and the content sent separately
Dual-band antenna
Door device
Method for forming layered heating element for glow plug