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Class Information
Number: 405/7
Name: Hydraulic and earth engineering > Marine vessel portage, launching, or removing > Dry dock > Vessel support (e.g., bilge or keel block)
Description: Method or apparatus wherein means are provided to bear the weight or to prevent tilting of a vessel when the water is withdrawn from the basin.










Patents under this class:

Patent Number Title Of Patent Date Issued
7628564 Boat launching, retrieval, and transport method Dec. 8, 2009
7581745 Adjustable aluminum trailer bunk for trailers Sep. 1, 2009
7552495 Adaptable inserts for jet ski ramp Jun. 30, 2009
7413378 Boat lift Aug. 19, 2008
7413379 Boat storage stand Aug. 19, 2008
7025531 Bidirectional adjustable boat cradle Apr. 11, 2006
6964241 Portable mooring device for small watercraft Nov. 15, 2005
6830410 Bunk beam and bunk cushion apparatus for supporting a watercraft Dec. 14, 2004
6644231 Boat landing apparatus Nov. 11, 2003
6612775 Hydraulic watercraft lift Sep. 2, 2003
6602022 Drive-on boat docking apparatus, method and kit for creating such apparatus Aug. 5, 2003
6575661 Boat lift Jun. 10, 2003
6520728 System and method for elevating a watercraft Feb. 18, 2003
6139219 Docking/support system for personal water crafts Oct. 31, 2000
6092961 Beach ramp system for watercrafts Jul. 25, 2000
6079936 Personal watercraft carrier with lowering and lifting capability Jun. 27, 2000
5941660 Modular watercraft support structure Aug. 24, 1999
5890835 Hydraulic lift for boats Apr. 6, 1999
5888019 Walking hoist Mar. 30, 1999
5860765 In-water dry dock system with removable centerline insert Jan. 19, 1999
5839851 Personal watercraft lift Nov. 24, 1998
5795098 Modular watercraft support structure Aug. 18, 1998
5641242 Apparatus for storing a boat Jun. 24, 1997
5622447 Self-leveling boat hull support Apr. 22, 1997
5460112 Securing apparatus Oct. 24, 1995
5449247 Boat mooring station Sep. 12, 1995
5316409 Portable boat skidway May. 31, 1994
5290124 Boat stand Mar. 1, 1994
5267811 Portable dock for watercraft Dec. 7, 1993
5259694 Personal watercraft launcher Nov. 9, 1993
5186576 Boat hull support Feb. 16, 1993
4944633 Boat support means Jul. 31, 1990
4861192 Marine craft lift Aug. 29, 1989
4850741 Boat hoist Jul. 25, 1989
4808028 Boat lift Feb. 28, 1989
4759660 Adjustable shoring system for boats Jul. 26, 1988
4756642 Boat storage, shipping system and support therefore Jul. 12, 1988
4507016 Marine rail system Mar. 26, 1985
4468150 Adjustable cradle for supporting and stabilizing boats Aug. 28, 1984
4449846 Transverse saddle type boat cradle May. 22, 1984
4391550 Gunnel support system for use with a boat lift Jul. 5, 1983
4227828 Building berth vessel support and handling system Oct. 14, 1980
4195948 Hydraulic boat lift with regulating system therefor Apr. 1, 1980
4160611 Systems for launching or hauling up small boats Jul. 10, 1979
4155667 Shoring device for small crafts May. 22, 1979











 
 
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