Class Information
Number: 114/41
Name: Ships > Ice breakers > Rams
Description: Ice-breakers adapted to break up the ice by ramming, the bow or stern structure being designed for that purpose, the cutting being produced by the blows and wedging caused by the speed and impact of the vessel.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6966271 |
Waveless hull |
Nov. 22, 2005 |
| 5996520 |
Icebreaking method and icebreaker |
Dec. 7, 1999 |
| 5567078 |
Method for forming a sloped face ice control structure |
Oct. 22, 1996 |
| 5460110 |
Method for changing the characteristics of a ship and a hull form of an icebreaking ship |
Oct. 24, 1995 |
| 4831951 |
Ice-breaking vessel |
May. 23, 1989 |
| 4738566 |
Ice deflector |
Apr. 19, 1988 |
| 4732101 |
Stern apron for ice breakers |
Mar. 22, 1988 |
| 4597350 |
Mooring system and liquid cargo transfer facility for ice infested waters |
Jul. 1, 1986 |
| 4506617 |
Ship |
Mar. 26, 1985 |
| 4351255 |
Ice-breaking ship |
Sep. 28, 1982 |
| 4102288 |
Operations vessel for ice covered seas |
Jul. 25, 1978 |
| 3931780 |
Icebreaker vessel |
Jan. 13, 1976 |
| 3930456 |
Ship's afterbody, especially for a full-form ship fitted with more than one propeller |
Jan. 6, 1976 |
|