Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/44
Name: Buoys, rafts, and aquatic devices > Rafts > Columnar flotation member
Description: Device wherein the raft has an elongated buoyancy providing member having a cross-section with a periphery of a shape similar to a circle, or multiple sided geometric figure.










Sub-classes under this class:

Class Number Class Name Patents
441/45 Hollow 12


Patents under this class:

Patent Number Title Of Patent Date Issued
6598552 Pontoon having a cross section with a non-uniform diameter and boat having same Jul. 29, 2003
6199676 Inflatable tubular structure with spiral seam Mar. 13, 2001
5707724 Fractal tube reinforcement Jan. 13, 1998
4919632 Collapsible one-man pontoon fishing raft Apr. 24, 1990
4886015 Modular flotation support collar assembly for aquaculture fish pen Dec. 12, 1989
4843992 Air tube protected by belts Jul. 4, 1989











 
 
  Recently Added Patents
Integrated touch screen
Content display system
Power supply apparatus for light emitting diode
Light modulators and optical apparatuses including the same
Display system, display control method and computer program
Memory device having collaborative filtering to reduce noise
Battery terminal with current sensor
  Randomly Featured Patents
Apparatus and method for increasing plant root density and measuring plant growth
Tamper-proof container and cap assembly
Method and device for sequencing the zc sequences of the rach
Bench
System and method for handling bulk materials
Methods and systems for initial FCH processing
Method of making a transducer
Systems and methods for controlling mobile machine power
Substituted thiophene pentamers
Sample analysis instrument