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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 440/33
Name: Marine propulsion > Towing
Description: Device wherein the propulsion means is a means provided to haul or pull a vessel in a canal or river or upon the sea or other bodies of water.


Sub-classes under this class:

Class Number Class Name Patents
440/34 Cable system 9
440/36 Ground wheel or poler 14
440/35 Track system 1


Patents under this class:

Patent Number Title Of Patent Date Issued
6938852 Flying craft tethered to powered water vehicle Sep. 6, 2005
RE37823 Water sport towing apparatus and method Sep. 3, 2002
6416369 Underwater towing of marine vessels Jul. 9, 2002
6354235 Convoy of towed ocean going cargo vessels and method for shipping across an ocean Mar. 12, 2002
6260500 Emergency ship towing system Jul. 17, 2001
6192819 Water sport towing apparatus Feb. 27, 2001
5979350 Water sport towing apparatus and method Nov. 9, 1999
5704817 Water surface propulsion device Jan. 6, 1998
5094638 Water vehicle Mar. 10, 1992
4800831 Ice breaker Jan. 31, 1989
4621946 Method and apparatus for moving ice masses Nov. 11, 1986
D256038 Water ski tow handle Jul. 22, 1980
4003329 Combination positioning and propelling apparatus for barges Jan. 18, 1977
3955525 Watercraft docking mechanism and method May. 11, 1976



 
 
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