"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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 |
| 6442439 | Pendulation control system and method for rotary boom cranes A command shaping control system and method for rotary boom cranes provides a way to reduce payload pendulation caused by real-time input signals, from either operator command or automated crane maneuvers. The method can take input commands and can apply ... | 08/27/2002 |
| 5645395 | Building crane apparatus climbable on building walls A building crane apparatus includes: a gantry crane slidably held on a pair of guiding rails longitudinally juxtapositionally mounted on two side walls of a building, and an elevating device secured on the building side walls for lifting the gantry crane ... | 07/08/1997 |
| 5478181 | Method and apparatus for moving containers between a ship and a dock The present invention relates to a dockside crane for moving cargo between a dock and a water-borne vessel. The crane has an elongated girder extending horizontally over the dock and the vessel. The crane can vertically raise and lower the girder to chang... | 12/26/1995 |
| 5372469 | Parcel cart for coil-shaped objects A mobile cart for moving coil-shaped objects has a wheel-mounted horizontal base which supports an upwardly extending mast provided with a guideway along which a first support element is controllably movable up and down in a vertical direction above the b... | 12/13/1994 |
| 5213222 | Mobil crane A mobile crane comprising a chassis, which has at least two axles and on which a revolving superstructure is movably mounted by means of a slewing bearing consisting of an outer ring and an inner ring, a preferably telescopic boom, which is pivoted to the... | 05/25/1993 |
| 4712697 | Lightweight tower crane boom for conveying pumped concrete A lightweight boom supported by a rotatable jib of a tower crane for introducing flowable concrete mix to form systems has a concrete conveying conduit which functions also as a structural member of the boom, in order that the overall weight of the latter... | 12/15/1987 |
| 4648518 | Self-lifting gantry crane and boom therefor A gantry with an overhead trolley boom has a cable-sheave arrangement enabling it to use its winch to lift itself into a building.... | 03/10/1987 |
| 4596336 | Mobile crane According to the invention a extendible and retractable luffing jib (13) is hingedly supported by a main boom (10,25) which can be positioned in a horizontal position, which luffing jib (13) protrudes at its rear side over some distance beyond the main bo... | 06/24/1986 |
| 4535900 | Transfer apparatus and method A transfer apparatus and method utilizing a boom having complete spatial freedom. The boom is supported by a series of ropes and may be moved in any of three mutually parallel planes so as to transfer material in any desired manner, as by utilizing a conv... | 08/20/1985 |
| 4508233 | Compact heavy duty lifting crane A Compact Heavy Duty Lifting Crane (CHDLC) for removing and installing heavy objects such as engines and transmission from vehicles. The CHDLC incorporates a feature that allows the vertical lifting angle of the telescoping boom (40) to remain constant as... | 04/02/1985 |
| 4446975 | Rotary crane A rotary crane having a telescopic mast with a liftable upper portion and a boom pivotally mounted at the end of that portion. The boom includes an end hinged element, a hinged tip and an intermediate member between the end element and the tip. Each porti... | 05/08/1984 |
| 4407420 | Ship comprising one or more derricks such as a dredge with suction pipe derricks The invention relates to a ship (1) with one or more derricks (4), in particular a dredge having at least one derrick (4) for handling the suction pipe (22) which derrick (4) can be moved between an inboard position (7) and a vertical position. The derric... | 10/04/1983 |
| 4374566 | Jib crane with polycentrical trajectory The object of the present invention consists in a tower traveling crane which, being endowed with a special jib movement system is characterized in that--differently from other types of similar cranes--its vertical dimensions can be kept to a minimum, tho... | 02/22/1983 |
| 4286721 | Access equipment Apparatus enabling access to the interior surfaces bounding a large spaced comprises a pole adapted to extend vertically through the height of the space with its lower end located at the base of the space, at least one boom structure connected with said p... | 09/01/1981 |