Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7328812 | Overhead travelling carriage A centering member 20 is pressed downward using an elastic member 28; the centering member 20 is provided at the bottom of a platform 14. A plate 26 receiving an upper end of the elastic member 28 is positioned high while th... | 02/12/2008 |
| 7311214 | Clean room crane assembly A hoist assembly for use in a clean room includes a hoist body which is received in a hoist cover cavity of a hoist cover. A rigging is coupled to a winch of the hoist body and to an attaching member attachable to a load. The rigging is received in a rigging cavity ... | 12/25/2007 |
| 7287740 | Hoisting apparatus A cable attachment assembly, a hoist and a transportation system using the cable attachment assembly. The cable attachment assembly including: a plate pivotable about a first axis; first and second pivot assemblies pivotable about respective second and third axes, t... | 10/30/2007 |
| 7267240 | Method and device for maintaining a position of a load suspended from a lifting gear In a method for maintaining a position of a load on a lifting gear, a position of a load, which is suspended from a trolley of a lifting gear via at least four cables, is determined and a swinging motion of the load is counteracted by selectively adjusting the lengt... | 09/11/2007 |
| 7240621 | Personal lift device A personal lift device is disclosed having a motor having an output shaft. A gearing system is operatively connected to the output shaft for increasing torque. A strap for suspending a weight is wound onto a spool and rotating the spool extends and retracts the stra... | 07/10/2007 |
| 7150366 | Hanger chain anti-sway device for gantry crane A sway dampener is provided for reducing sway motion of a gantry crane spreader that is suspended from hanger chains. The sway dampener is configured to resist motion of the hanger chain relative to the spreader, thereby retarding sway. The dampener includes first a... | 12/19/2006 |
| 7070061 | System for controlling movements of a load lifting device The invention relates to a system for controlling movements of a load lifting device on a horizontal plane whereby the load lifting device (6) comprises a vertically oriented carrier element (14). The vertical orientation of said carrier element is at ... | 07/04/2006 |
| 7043337 | Methods and apparatus for eliminating instability in intelligent assist devices Methods and apparatus for eliminating instability in intelligent assist devices are disclosed. The intelligent assist device includes an overhead motorized moveable trolley, a support that extends downwardly from the trolley to a payload, and a sensor operatively co... | 05/09/2006 |
| 6928336 | System and architecture for providing a modular intelligent assist system An intelligent assist system having a modular architecture, coordinated by electronic communication links between the modules, is provided. Motion modules provide an assist upon actuation, and are in communication with computational nodes. Communication links betwee... | 08/09/2005 |
| 6796447 | Crane control system This crane control system with swing control and variable impedance is intended for use with overhead cranes where a line suspended from a moveable hoist suspends a load. It is responsive to operator force applied to the load and uses a control strategy based on est... | 09/28/2004 |
| 6631818 | Overhead traveling crane system An overhead traveling crane system, wherein at least two locking members (25a) are mounted vertically slidably on a lifting device (15), a stopper (25b) and a contact member are fixed to the upper and lower end parts of each locking member (25a), respecti... | 10/14/2003 |
| 6457904 | Boat lift apparatus The present invention relates to a stationary boat lift in which a boat is able to enter and exit with little difficulty. The boat lift allows a boat to bypass various barriers in a efficient and safe manner by vertically lifting the boat out of one body ... | 10/01/2002 |
| 6267259 | Overhead travelling carriage A through-hole 14 is provided in a body base 12 of an overhead travelling carriage to guide a roller on an elevating and lowering drive section 6. In addition, a pair of holes are provided at the both running-direction ends of the elevating and lowering d... | 07/31/2001 |
| 6174106 | Boat lift apparatus The present invention relates to a stationary boat lift comprised of a housing in which a boat is able to enter and exit with little difficulty. The boat lift allows a boat to bypass various barriers in a efficient and safe manner by vertically lifting th... | 01/16/2001 |
| 5947639 | Boat lift apparatus The present invention relates to a stationary boat lift comprised of a housing in which a boat is able to enter and exit with little difficulty. The boat lift allows a boat to bypass various barriers in a efficient and safe manner by vertically lifting th... | 09/07/1999 |
| 5924545 | Rotatable shuttle transfer unit A rotatable shuttle transfer unit for transferring a workpiece from a first work station to a second work station along a predetermined path of travel wherein a pair of spaced carriages carry the workpiece along the predetermined path of travel and rotate... | 07/20/1999 |
| 5893471 | Freely-movable auxiliary hoist for a gantry crane and method for pivoting a load A hoist assembly is provided for an overhead crane adapted for pivoting wide panels and the like between horizontal and vertical positions. The hoist assembly is supported on an elevated horizontal beam and includes a main trolley, supporting a main lifti... | 04/13/1999 |
| 5803280 | Lifting and transport apparatus for transcontainers A lifting and transport apparatus for containers has a fixed rigid horizontal beam on the lower flange of which two wheeled carriages are displaceable either together or separately to allow, in the latter case, a change in the distance between the carriag... | 09/08/1998 |
| 5692876 | Hydrostatic transmission for end dog carriage drive A log carriage system including a pair of carriages (10, 12) mounted for linear movement along a conveyor track. A pair of linear hydraulic motors (32, 44) each include a piston rod (30, 42) for both clamping and linear transfer of a log. A reversible hyd... | 12/02/1997 |
| 5490293 | Transfer apparatus A method and apparatus for transferring a load (8) carried by a carrier member (12) between two mutually separate transport paths (3a, b). During transfer, the carrier member switches from being suspended by a device (4a) displaceable in the first carrier... | 02/13/1996 |
| 5346054 | Suspended belt-type expandable and movable part holder unit A belt-type part holder unit to be used in a track conveyor system of a sewing factory or the like having a large number of work stations in it in order to transfer a part from a work station to another. The unit includes a belt pulley provided in it with... | 09/13/1994 |
| 4669619 | Device and method for transporting a load by cable A self-driven transporting unit with a magnetic detector which is propelled along a cable by a drive wheel having spokes arranged in two rows forming a V-shape. The cable is magnetized and mounted in a fixed manner. The spoke arrangement enables the drive... | 06/02/1987 |
| 4573853 | Gantries for hauling heavy loads over fixed paths A gantry has four separate base members adapted to move along spaced parallel tracks. In most configurations, adjustable tie rods connect the four base members into two associated pairs, each of the associated pairs being positioned to follow along one of... | 03/04/1986 |
| 4523887 | Stacker crane for narrow aisles In a stacker crane having a trolley comprising a turntable rotatable about a vertical axis, a mast projecting down from the turntable for rotation and horizontal motion with it, and a load supporting device vertically positionable along the mast, the mast... | 06/18/1985 |
| 4219122 | Vehicle-mounted crane assembly A vehicle-mounted crane assembly has an elongate bolster member extending transversely of the vehicle. An elongate extension member is hingedly mounted at one end of the bolster member for swinging movement from an operative horizontal position to an inop... | 08/26/1980 |
| 4053059 | Portable overhead crane and method of installing it This disclosure relates to a method of and apparatus for lifting a load utilizing an existing bridge or gantry-type overhead crane in combination with a portable lifting beam or Strongback adapted to be lifted into position and partially supported by the ... | 10/11/1977 |
