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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.
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| Number | Title | Issue Date |
| 7997432 | Trunnion transportation system and crane using same A mobile lift crane includes a carbody and at least four crawlers attached to the carbody, each crawler having a crawler frame attached to the carbody by a trunnion having an axis. The crawler frame is attached to the carbody so as to be able to pivot with respect t... | 08/16/2011 |
| 7828163 | Lattice boom crane for lifting heavy loads The invention concerns a lattice boom crane, which is composed of at least two individual lattice boom cranes (1, 11), which each comprise a luffing lattice boom (4, 14), whose luffing angle is adjustable by a luffing mechanism (5, 15). The latt... | 11/09/2010 |
| 7789253 | Combination crane A combination crane A is formed by connecting two crawler cranes 1L and 1R. Each crawler crane is provided with at least a lower propelling body 3 which can be propelled by crawlers 2, an upper revolving body 5 rotatably mounted on... | 09/07/2010 |
| 7371039 | Slat replacement system A slat replacement system for removing damaged slats and inserting new slats in an animal pen. The slat replacement system includes a base assembly for resting on a floor of the animal pen. A frame member is rotatably coupled to the base assembly. A motor assembly i... | 05/13/2008 |
| 7360262 | Lifting and transfer apparatus A portable lifting apparatus for lifting and transferring of heavy objects. The lifting apparatus having a load-supporting platform which can be moved both vertically and rotated about the vertical axis of an upwardly extending lifting column. The lifting apparatus ... | 04/22/2008 |
| 7331748 | Assembly for mounting various work tools to a construction vehicle An assembly for mounting various work tools, e.g., a backhoe, to a pair of parallel frame members (28) of a vehicle (20). A pair of parallel main beams (26) extend transversely across the frame members (28) and a telescoping stabilizing l... | 02/19/2008 |
| 7328810 | Crane supporting apparatus A crane support consisting of a steel square tubing pedestal having an apertured mounting plate fixedly attached to its upper end, and having an enlarged base fixedly attached to its lower end; an axle, the pedestal being mounting rotatably upon the axle; an auxilia... | 02/12/2008 |
| 7210590 | Transportation cart primarily for use in an animal barn A transportation cart primarily for transporting deceased animals through the alleyways of a barn has a swivelling mast and boom mounted on the front section of a frame driven by powered wheels with a slide panel attached to the mast below the boom over which the ob... | 05/01/2007 |
| 7172083 | Mobile hydraulic hoist A mobile hydraulic hoist unit which is readily maneuverable to a position straddling a load and then conveniently operated to lift and securely transport such load over a variety of terrains and surfaces and to safely and accurately deposit that load at a specific l... | 02/06/2007 |
| 7080469 | Multiple-tool attachment for vehicles A multiple-tool attachment for vehicles having a front subassembly and a rear subassembly. The front subassembly and rear subassembly are connected with a slip joint so that the attachment can be placed upon vehicles of varying size. A variety of tools can be connec... | 07/25/2006 |
| 7044313 | Portable hoist A portable hoist for preferably lifting and moving a trowel machine is disclosed. The portable hoist is comprised of a base and a plurality of legs coupled with the base. A foot is rotatably attached to one end of each of the legs. The rotatable attachment allows th... | 05/16/2006 |
| 6966448 | Trailer-mounted crane apparatus A trailer-mounted crane apparatus includes a trailer supported from a ground surface on at least two wheels. A hydraulically operated crane arm is mounted to the trailer and is extendable outwardly. A crane hydraulic power unit is mounted to the trailer and supplies... | 11/22/2005 |
| 6799778 | Vehicle with frame support In a vehicle with a superstructure having at least one swiveling mast on a slewing gear and a frame support with the aid of front and back movable telescopes disposed on each side of the long sides of the vehicle, their stationary telescopes being disposed at least ... | 10/05/2004 |
| 6679394 | Ring lift crane The invention is directed to a ring lift crane with a liftable ring forming a circular traveling path and having a plurality of segments which can be connected to one another. Within the ring, there is arranged a chassis having a superstructure which is c... | 01/20/2004 |
| 6631817 | Re-configurable crane carrier A mobile crane includes a chassis having first connection features located on a rear end thereof. An outrigger includes second connection features for mating with the first connection features. A tag axle assembly includes third connection features for ma... | 10/14/2003 |
| 6607347 | Backhoe stabilizing leg A stabilizing leg for a backhoe is formed with a tubular outer member, a stabilizer rod connected telescopically to the tubular outer member, and a clearance adjusting mechanism for adjusting the clearance between the tubular outer member and the stabiliz... | 08/19/2003 |
| 6564955 | Mobile harbor crane for the combined handling of containers and bulk materials A mobile harbor crane for the combined handling of containers and bulk materials, having an undercarriage and an upper carriage which is mounted rotatably on the base frame of the undercarriage and on which a tower with a boom that can be pivoted about a ... | 05/20/2003 |
| 6516961 | Ringlift crane A ringlift crane having a ring which can be elevated, forms an annular track and has a plurality of segments which can be connected to one another, there being arranged within said ring an undercarriage which has an upper carriage, which is connected for ... | 02/11/2003 |
| 6474487 | Ring lifting crane A ringlift crane having a ring which can be elevated and forms an annular track. Arranged within the ring is a standardized undercarriage from a first crane class and a standardized upper carriage, which is connected for stewing action to the undercarriag... | 11/05/2002 |
| 6386586 | Mobile equipment stabilizer foot pad A shaped interior stiffener is molded into a polymeric material pad, forming a cushioning pad that can be affixed to a stabilizer leg foot on mobile equipment such as a crane or excavator. A variety of foot pads is contemplated, each specifically designed... | 05/14/2002 |
| 6305560 | Multiple pedestal ring for ringer crane A system of multiple concentric annular support pedestal rings for providing load and counterweight support for a ring supported crane. The pedestal rings are fabricated from uniform sections of steel, which are mated at preferably triangular shaped ends.... | 10/23/2001 |
| 6202013 | Articulated boom monitoring system A monitoring system is provided for monitoring positioning and stability of an articulated boom system The articulated boom system includes an articulated boom, having one or more boom sections, extending from a base, along with one or more outriggers ext... | 03/13/2001 |
| 6138796 | Reach truck A reach truck with two horizontal support legs supporting the reach truck by load wheels and the end of the legs. Simple means are provided to manufacture such trucks with varying spaces between the support legs.... | 10/31/2000 |
| 6119882 | Self-propelled boom with extendible axles A self-propelled boom vehicle has an extendible axle and an extendible steering mechanism which has an automatic steering synchronization system. The extendible axle has a hollow central support sleeve and telescopic arm sections. A single hydraulic exten... | 09/19/2000 |
| 6113356 | Hydraulically liftable mobile pumping apparatus A placement and orienting apparatus for a pump and water passing pipe assembly includes a wheeled trailer supporting the pump and water passing pipe assembly; an upper frame structure; a lower frame structure; a turntable bearing assembly positioned betwe... | 09/05/2000 |
| 6065621 | Portable and towable lift mechanism An improved lift mechanism that is portable and towable, and has a telescopic and angularly adjustable load carrying boom, four telescopic support legs with pivotable wheels thereon, and a low center of gravity frame of a two part construction pivotally c... | 05/23/2000 |
| 6039194 | Mobile roof crane A compact mobile crane for lifting or lowering a load to or from a roof or other location of a building, and for raising, lowering, and supporting a load along the sides of a building. Elements of the mobile crane can be folded to allow the mobile crane t... | 03/21/2000 |
| 5934490 | Combination engine hoist and stand A combination engine hoist and stand for lifting and supporting an engine includes a variably oriented "H" shaped multi hinged base with frame extension capability mounted on casters and a combined hoist and stand vertical column located on the base for c... | 08/10/1999 |
| 5862926 | Pickup loading hoist A pickup loading hoist for loading and unloading heavy cargo to and from a bed of a pickup without requiring physical exertion by the user and which can be easily disassembled into a compact storage position. The inventive device includes a front frame an... | 01/26/1999 |
| 5671932 | Camera crane A camera crane for use in motion picture and television productions, has a mast on a wheeled chassis. A weight bucket on the chassis around the mast securely holds counterweights used to balance arm. The steering section of the mobile base can be pivoted ... | 09/30/1997 |
| 5667245 | Stabilizer pad for vehicles A reversible stabilizer pad for use with stabilizer arms of vehicles. The reversible stabilizer pad has a plate with first and second ground contact faces pivotally coupled to the stabilizer arm such that the plate can rotate about the arm to engage the g... | 09/16/1997 |
| 5547220 | Stabilizer pad for vehicles A reversible stabilizer pad for use with stabilizer arms of vehicles. The reversible stabilizer pad has a plate with first and second ground contact faces pivotally coupled to the stabilizer arm such that the plate can rotate about the arm to engage the g... | 08/20/1996 |
| 5488788 | Groundworking attachments for an outrigger stabilizer pad Flexibility of operation is added to a vehicle (10) having a vehicle frame (12) with an operator area (18) and front and rear wheels (14), (16), a power tool (32), a pair of outrigger arms (48) pivoted to the frame (12) and hydraulic cylinders (62) extend... | 02/06/1996 |
| 5388857 | Operator controlled vehicle stabilizer An apparatus for stabilizing a material handling vehicle which enables or disables a vehicle's suspension system. Pilot-to-open check valves are mounted on hydraulic cylinders secured between the axle and frame of the vehicle. In a first embodiment, a pne... | 02/14/1995 |
| 5348172 | Industrial carrying machine A mobile crane has a triangular wheel arrangement with a steerable front wheel and a frame for carrying an operator and a boom which is adjustable both as to vertical angle and azimuth. Shock absorbing stabilizing arm assemblies extend from either side of... | 09/20/1994 |
| 5337908 | Patient hoist Disclosed is a patient hoist for use in a room having a floor and at least one pair of parallel spaced walls at opposite sides of the floor. The hoist includes a frame having a pair of track beams and a pair of connecting beams, and a plurality of legs fo... | 08/16/1994 |
| 5289780 | Material handling railroad freightcar-mounted gantry and crane with toppling prevention and supplemental support upon derailment A gantry adapted for operation along rails attached to the top of a railroad car includes two pairs of wheels, each pair operating on a respective rail. A base support member is positioned above the rail and between the wheels on each side of the gantry. ... | 03/01/1994 |
| 5224612 | Portable crane A portable crane operable between a first, extended position for lifting loads and a second, collapsed position for transportation includes a handle having first and second ends. A boom having first and second ends is provided such that the first end is p... | 07/06/1993 |
| 5139157 | Concrete placing boom assembly for ready-mix concrete The invention is directed to a concrete placing boom assembly for use with two trucks. The assembly includes a base frame and a rotatable turret rotatably mounted on the base frame. A foldable boom is pivotally connected to the turret and includes a plura... | 08/18/1992 |
| 5082127 | Collapsible lift trolley The invention relates to a collapsible lift trolley capable of occupying a compact collapsed position and a deployed in-use position. In accordance with the invention, the collapsible lift trolley comprises a base unit having a turnable wheel, two longitu... | 01/21/1992 |
