Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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 |
| 7341157 | Enclosed-reeving, live-line boom A crane comprising a boom formed as an elongate tubular structure and a line assembly to extend a line from a least one end of the boom. The line assembly may include a first bank of sheaves, a second bank of sheaves, a line reeved around the first and second banks ... | 03/11/2008 |
| 7040552 | Suspended boom with gauge members An applicator boom apparatus comprises an applicator boom extending laterally from a vehicle, and pivotally attached to the vehicle such that the boom can pivot up and down with respect to the vehicle. A kit provides a gauge member adapted to ride along a surface of... | 05/09/2006 |
| 6845872 | System for lifting and moving an object A system for lifting and moving an object includes a vertical post (2), having a transversal lifting arm (38) rotatably connected thereto for rotation about a vertical axis thereof. The vertical post includes a weight (5) acting as a piston conn... | 01/25/2005 |
| 6532607 | Body lift A movement system for moving a person. In at least certain aspects, the system has a power apparatus and primary line apparatus connected to the power apparatus. The power apparatus selectively moves or plays out and takes in the primary line apparatus. O... | 03/18/2003 |
| 6053419 | Velocity damping system A self-centering boom for self-propelled agricultural sprayers having a double-acting hydraulic cylinder and a magnetically actuated electrical position sensor and control for sensing and moving the boom to a centered position. The electro-hydraulic contr... | 04/25/2000 |
| 5971178 | Impact driven hoist A hoist is constructed for powered drive by an impact tool. The hoist includes tension means for applying a force in tension to a load. Gear means are operatively associated with the tension means for producing a tension force in the tension means. The ge... | 10/26/1999 |
| 5887390 | Boom swing control device and assembly A boom swing control device for controlling boom swing relative to a frame. Booms may be supported relative to a frame for application of material over a wide area. During an application process, the booms are subjected to various external forces which ca... | 03/30/1999 |
| 5597080 | Snag load protection system for a crane A snag load protection system for a train including a guide frame, a sheave housing slidably received within the guide frame, and a hydraulic cylinder connected to the guide frame and to the sheave housing. The hydraulic cylinder serves to exert a compres... | 01/28/1997 |
| 5494117 | Metal fence post driver A metal fence post driving apparatus is formed by a platform rearwardly supported by the three point hitch of a conventional tractor and having a fluid pressure generating unit on the platform driven by the tractor power takeoff. A mast having a top end p... | 02/27/1996 |
| 5456567 | Floor-running stacker crane and method for carrying hot metal A floor-running stacker crane comprising a non-linear floor rail, a non-linear overhead rail, a base supported for movement along the floor rail, a turntable, a rotate bearing supporting the turntable on the base for rotation of the turntable relative to ... | 10/10/1995 |
| 5421468 | Dockside container handling crane with high speed hoist system A high speed cable hoist system for conventional dockside container handling cranes of the type comprising a frame and a movable boom extending laterally therefrom. The high speed cable hoist includes a hoist cable speed enhancing system which comprises a... | 06/06/1995 |
| 5209361 | Multiple-cable lifting head with load weighing mechanism for aerial booms and cranes Load cells are provided at the fixed end of each cable of a multiple-cable lifting head adapted for use at the free end of a knuckle boom or other aerial crane for lifting and operating "IGLOO" recyclable waste containers and the like. The load cells prov... | 05/11/1993 |
| 5018631 | Hoist device for a load hanging on hoist ropes, in particular a container-crane A container is suspended from four hoist ropes. One end of each rope is wound on a drum to be driven in either direction to hoist or lower the container. The second end of each rope is connected to a double acting hydraulic cylinder. The cylinders are con... | 05/28/1991 |
| 4967917 | Jib derricking gear for a crane A jib derricking gear for a jib crane having a boom and a jib for hoisting work extended from the boom head of the boom comprises a pair of jib derricking cylinder actuators. Load on the jib is distributed to the pair of jib derricking cylinder actuators,... | 11/06/1990 |
| 4702076 | Hydraulically operated clam-shell device The invention contemplates a hydraulically operated twin-cable suspension for a clamshell or the like load-handling device. In a preferred embodiment, a charged accumulator is effectively a counterweight and is the source of all hydraulic fluid needed for... | 10/27/1987 |
| 4686828 | Hydraulically operated clamshell device The invention contemplates a hydraulically operated twin-cable suspension for a clamshell or the like load-handling device. In a preferred embodiment, a charged accumulator is effectively a counterweight and is the source of all hydraulic fluid needed for... | 08/18/1987 |
