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Class Information
Number: 114/40
Name: Ships > Ice breakers
Description: Vessels or boats designed and operated to break and cut up ice-floes or to open channels for the passage of vessels.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7270066 |
Ice breaker (variants), method and system for single-support mooring and servicing ships |
Sep. 18, 2007 |
| 7150239 |
Method for aerating bodies of water |
Dec. 19, 2006 |
| 7150434 |
Vehicle wake vortex modifier |
Dec. 19, 2006 |
| 6062925 |
Service vessel operating method |
May. 16, 2000 |
| 5996520 |
Icebreaking method and icebreaker |
Dec. 7, 1999 |
| 5660131 |
Icebreaker attachment |
Aug. 26, 1997 |
| 5567078 |
Method for forming a sloped face ice control structure |
Oct. 22, 1996 |
| 5325803 |
Icebreaking ship |
Jul. 5, 1994 |
| 5231944 |
Icebreaking ship |
Aug. 3, 1993 |
| 5218917 |
Icebreaking ship |
Jun. 15, 1993 |
| 5176092 |
Icebreaker bow and hull form |
Jan. 5, 1993 |
| 5161477 |
Ice going ship |
Nov. 10, 1992 |
| 5038695 |
Icebreaker |
Aug. 13, 1991 |
| 5036781 |
Method and the means for removing ice from a ship's channel |
Aug. 6, 1991 |
| 4942837 |
Ice breaker |
Jul. 24, 1990 |
| 4864950 |
Icebreaker |
Sep. 12, 1989 |
| 4860679 |
Ice breaker vessel |
Aug. 29, 1989 |
| 4800831 |
Ice breaker |
Jan. 31, 1989 |
| 4781135 |
Ship hull |
Nov. 1, 1988 |
| 4732101 |
Stern apron for ice breakers |
Mar. 22, 1988 |
| 4715305 |
Ship's hull |
Dec. 29, 1987 |
| 4702187 |
Bottom construction for a ship |
Oct. 27, 1987 |
| 4666341 |
Mobile sea barge and plateform |
May. 19, 1987 |
| 4648342 |
Arrangement in vessels |
Mar. 10, 1987 |
| 4644889 |
Sailboat keel |
Feb. 24, 1987 |
| 4643121 |
Method of adding propulsive force to ice breaker |
Feb. 17, 1987 |
| 4636607 |
Method of enhancing an ice-breaking operation |
Jan. 13, 1987 |
| 4597350 |
Mooring system and liquid cargo transfer facility for ice infested waters |
Jul. 1, 1986 |
| 4596291 |
Floating drilling platform |
Jun. 24, 1986 |
| 4578000 |
Method of protection |
Mar. 25, 1986 |
| 4547093 |
Protection of vessels and equipment from moving ice |
Oct. 15, 1985 |
| 4546719 |
Arrangement in vessels |
Oct. 15, 1985 |
| 4543900 |
Shipboard ice lubrication system and jet pump for use therein |
Oct. 1, 1985 |
| 4532772 |
Method for producing model ice |
Aug. 6, 1985 |
| 4522141 |
Shipboard ice lubrication system and jet pump for use therein |
Jun. 11, 1985 |
| 4519728 |
Floating offshore structure |
May. 28, 1985 |
| 4455958 |
Drillship canopy |
Jun. 26, 1984 |
| 4436046 |
Ice-breaking hull |
Mar. 13, 1984 |
| 4434741 |
Arctic barge drilling unit |
Mar. 6, 1984 |
| 4433941 |
Structure for offshore exploitation |
Feb. 28, 1984 |
| 4428735 |
Propeller mount for icebreaker |
Jan. 31, 1984 |
| 4409918 |
Ice-breaking and conveying system |
Oct. 18, 1983 |
| 4382419 |
Floating vessel with moon well and ice guard therefor |
May. 10, 1983 |
| 4369725 |
Method and means for increasing the maneuverability of a ship in ice-covered waters |
Jan. 25, 1983 |
| 4365571 |
Ice disaggregation system |
Dec. 28, 1982 |
| 4328760 |
Skirt construction |
May. 11, 1982 |
| 4326476 |
Navigation in ice covered waterways |
Apr. 27, 1982 |
| 4270476 |
Barge construction for warm air canopy ice-free zone |
Jun. 2, 1981 |
| 4252444 |
Apparatus for agitating liquids |
Feb. 24, 1981 |
| 4245929 |
Arctic multi-angle conical structure |
Jan. 20, 1981 |
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