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Class Information
Number: 405/3
Name: Hydraulic and earth engineering > Marine vessel portage, launching, or removing > Lifting
Description: Method or apparatus wherein the vessel is raised or lowered in a substantially vertical manner.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8678703 |
Watercraft lift |
Mar. 25, 2014 |
| 8676402 |
Sentry system with wireless interface for a docked boat |
Mar. 18, 2014 |
| 8596906 |
Retractable wheel for boat lift and other structures |
Dec. 3, 2013 |
| 8596907 |
Lifting system |
Dec. 3, 2013 |
| 8430045 |
On board lift leg construction for pontoon boats with onboard engine |
Apr. 30, 2013 |
| 8397659 |
Boat lift canopy entrance |
Mar. 19, 2013 |
| 8388265 |
Watercraft lift system |
Mar. 5, 2013 |
| 8267620 |
Rotatable boat lift with sliding pads |
Sep. 18, 2012 |
| 8267621 |
Floating boatlift |
Sep. 18, 2012 |
| 8251608 |
Method of operating a shiplift |
Aug. 28, 2012 |
| 8251609 |
Method of operating a shiplift |
Aug. 28, 2012 |
| 8221028 |
Boat lift operated by boat's propulsive force |
Jul. 17, 2012 |
| 8215889 |
System and method for high current recovery cursor |
Jul. 10, 2012 |
| 8215868 |
Hydraulic powered boat portage apparatus |
Jul. 10, 2012 |
| 8186908 |
Method of operating a shiplift |
May. 29, 2012 |
| 8137028 |
Small boat dock racking system |
Mar. 20, 2012 |
| 8123433 |
Inflatable lift system |
Feb. 28, 2012 |
| 8096729 |
Wheel adjustment apparatus |
Jan. 17, 2012 |
| 8082100 |
Watercraft automation and aquatic effort data utilization |
Dec. 20, 2011 |
| 8079779 |
Device for pulling out a ship |
Dec. 20, 2011 |
| 8061932 |
Hydraulic boat lift |
Nov. 22, 2011 |
| 7997827 |
Watercraft support and tote device |
Aug. 16, 2011 |
| 7908988 |
Method and apparatus for salvaging underwater objects |
Mar. 22, 2011 |
| 7887261 |
Method for the transport of a civil engineering structure in an aquatic medium |
Feb. 15, 2011 |
| 7856936 |
Lift lock security system |
Dec. 28, 2010 |
| 7815394 |
Device for a watercraft for picking up and launching boats |
Oct. 19, 2010 |
| 7765945 |
Watercraft lift stabilizing system and accessories therefor |
Aug. 3, 2010 |
| 7766577 |
Method of operating a shiplift |
Aug. 3, 2010 |
| 7707955 |
Transom platform lifting apparatus and method |
May. 4, 2010 |
| 7637690 |
Programmable boatlift system with boat position sensor |
Dec. 29, 2009 |
| 7628564 |
Boat launching, retrieval, and transport method |
Dec. 8, 2009 |
| 7547159 |
Cradle boat lift storm protection system |
Jun. 16, 2009 |
| 7534069 |
Programmable boatlift system with boat position sensor |
May. 19, 2009 |
| 7527014 |
Self-adjusting watercraft canopy |
May. 5, 2009 |
| 7444952 |
Boat hull rinsing device |
Nov. 4, 2008 |
| 7419329 |
Semi-submersible dry-docking lift apparatus |
Sep. 2, 2008 |
| 7377720 |
Boat lift |
May. 27, 2008 |
| 7367747 |
Adjustable and extending transport cradle for watercraft |
May. 6, 2008 |
| 7354223 |
Mechanical ship lift |
Apr. 8, 2008 |
| 7338231 |
Boat hoist |
Mar. 4, 2008 |
| 7318385 |
Boat lift |
Jan. 15, 2008 |
| 7299758 |
Apparatus for transporting boat lifts |
Nov. 27, 2007 |
| 7293521 |
Hydraulic transom lift |
Nov. 13, 2007 |
| 7273329 |
Hydraulic boat lift |
Sep. 25, 2007 |
| 7267071 |
Apparatuses and methods useful for centering watercraft |
Sep. 11, 2007 |
| 7267066 |
Boat lift |
Sep. 11, 2007 |
| 7246970 |
Shallow water watercraft lift |
Jul. 24, 2007 |
| 7226041 |
Winch assembly for a lift structure supportive of a recreational boat and related watercraft |
Jun. 5, 2007 |
| 7213526 |
Personal watercraft lift |
May. 8, 2007 |
| 7207746 |
Remote boat lift switch |
Apr. 24, 2007 |
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