Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/12
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > With signalling device > Audible
Description: Buoy wherein the attention drawing means is an audible signal, e.g., bell, whistle, etc.

Patents under this class:

Patent Number Title Of Patent Date Issued
5520486 Diver safety apparatus and method May. 28, 1996
5369796 Floating sound system Nov. 29, 1994
4932910 Emergency location marker system Jun. 12, 1990
4763126 Mooring location system Aug. 9, 1988
4636176 Boat propelled by a motorcycle Jan. 13, 1987
4232391 Vessel location system Nov. 4, 1980
4228556 Automatically energizable lifesaving equipment Oct. 21, 1980
4194246 Noisemaker beacon Mar. 18, 1980
4040135 Emergency locator system for locating and retrieving sunken vessels Aug. 9, 1977

  Recently Added Patents
Signal routing dependent on a loading indicator of a mobile node
Thermally efficient busway
Mass spectrometry method
Combining seismic data from sensors to attenuate noise
Light emitting element, method for manufacturing the light emitting element, optical element and method for manufacturing the optical element
Lithographic apparatus and device manufacturing method
  Randomly Featured Patents
Liquid crystal display including a control member for providing a transparent visual range within a predetermined viewing angle and an opaque visual range outside the predetermined viewing ang
Scan chain systems and methods for programmable logic devices
Electron multiplier and method of making same
Interface enabling voice messaging systems to interact with communications networks
Rotary steam joint and valve assembly
Lubricant supply system and operating method of multisystem lubrication screw compressor
Miniature scan element operably connected to a personal computer interface card
Separator and fuel cell stack using the same
Bottom hole assembly for wellbore operations