Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/17
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > With signalling device > Illuminating > Electric light > Having water activated switch
Description: Buoy wherein the electric lamp is controlled by a mechanical means which makes or breaks a circuit upon its submergence.

Patents under this class:

Patent Number Title Of Patent Date Issued
8430704 Flotation device Apr. 30, 2013
7401935 Beverage accessory devices Jul. 22, 2008
7125298 Man overboard beacon Oct. 24, 2006
5257954 Rescue buoy package Nov. 2, 1993
4628401 Electric feed device which can be started by a liquid Dec. 9, 1986
4195380 Life saving apparatus for vessels Apr. 1, 1980
4109405 Capsule lamp as a fishing tackle Aug. 29, 1978
4040135 Emergency locator system for locating and retrieving sunken vessels Aug. 9, 1977
3953905 Stabilized, towable spar buoy May. 4, 1976

  Recently Added Patents
Lighting elements
Unified recovery
Laser receiver for detecting a relative position
Message value indicator
Method and apparatus for connecting to external device
Inhibitors of bacterial tyrosine kinase and uses thereof
Alternate source programming
  Randomly Featured Patents
Method and apparatus for maneuvering pipe ends in a subsea location
Angle valve
Virtual machine control device, method, and program wherein a switching task used to switch to the highest priority virtual machines is the highest priority task in the current virtual machine
Transit fare box
System and method for operating on-line governmental lottery games
Hinged metal web for truss structures and method of making
Visualizing method for three dimensional standing wave sound field
Aircraft location system for airports
Microbicidal compositions based on dibromo-thiophene-carboxylic acid derivatives
Turbine blade tip cooling system