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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/39
Name: Buoys, rafts, and aquatic devices > Rafts > Having boarding aid
Description: Device including means for assisting a person floating in the water in climbing aboard the raft, i.e., ladders.










Patents under this class:

Patent Number Title Of Patent Date Issued
7421970 Access devices for inflatable and other boats Sep. 9, 2008
7357688 Floatation apparatus and method Apr. 15, 2008
6941887 Boat with perimeter float, particularly a pneumatic life raft Sep. 13, 2005
6375529 Reversible life raft and method therefor Apr. 23, 2002
5921830 Aviation auto-inflatable life raft Jul. 13, 1999
5540178 Recreational and emergency ladder for watercraft Jul. 30, 1996
5421757 Rescue raft Jun. 6, 1995
5152245 Floatable ladder device Oct. 6, 1992
4971315 Under-deck mounted retractable diving board Nov. 20, 1990
4828520 Modular liferaft May. 9, 1989
4765438 Boat platform ladders Aug. 23, 1988
4747797 Man overboard retrieval apparatus May. 31, 1988
4738642 Slidable mounting board for small water craft Apr. 19, 1988
4729335 Flotation assembly Mar. 8, 1988
4723929 Inflatable life rafts Feb. 9, 1988
RE32560 Stabilized survival raft Dec. 15, 1987
4598904 Water trampoline Jul. 8, 1986
4572330 Ladder for boarding small boats Feb. 25, 1986
4054961 Stabilizing device for an inflatable raft Oct. 25, 1977
4001905 Improved stabilized survival raft Jan. 11, 1977











 
 
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