Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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 |
| 7413209 | Boat trailer with segmented bunk boards having lifting edges The boat trailer includes segmented bunk board covers, with the segments being of different lengths so that they can be combined to cover different lengths of bunk boards. The bearing surfaces of the bunk board covers include a series of oppositely sloped lifting ed... | 08/19/2008 |
| 7287766 | Piano dolly A dolly for moving a piano is provided and includes a base having first and second legs, with the first leg having a longitudinal centerline and the second leg being pivotally coupled to the first leg for rotation relative to the first leg. A plurality of receptacle... | 10/30/2007 |
| 7153080 | Hydraulic level-loading and dumping trailer A trailer, having the capability of lowering its deck to the ground surface for ease of loading and unloading from the ground; raising its deck to a loading dock height for ease of loading and unloading from a loading dock or other elevated surface; and tilting its ... | 12/26/2006 |
| 6945744 | Trailer bed system A trailer bed system for loading/unloading a trailer without the usage of ramps. The trailer bed system includes a main frame with a plurality of supporting wheels, a deck frame pivotally attached to the main frame, and a front hitch structure pivotally attached to ... | 09/20/2005 |
| 6705563 | Open shipyard wire feeder An open shipyard feeder for supplying a consumable welding wire on a wire spool to a welding gun. The feeder includes a frame having a base extending in a longitudinal direction between a forward end and a rearward end and which supports the feeder on an underlying ... | 03/16/2004 |
| 6273435 | Trailer with non-tilting movable bed A trailer for use in transporting a load from one area to another area has a frame and a bed operatively mounted to the frame which is capable of being moved from a first or lowered position to a second or elevated position in a substantially vertical man... | 08/14/2001 |
| 6113130 | Multi-purpose jointed suspended-bed transport trailer The present invention is related to a transport trailer with a suspended articulated platform. The device comprises a platform (1) upon which is pivotally attached a cradle formed of two interdependent arms (6) of a shaft spanning the platform transversel... | 09/05/2000 |
| 5855378 | Elevator suspension and method of use A fully independent suspension system (20) for a vehicle includes a plurality of components mounted above the bottom side (502) of the frame (500) of the vehicle so that the rear end (508) of the frame (500) may be selectively lowered to the roadway. In a... | 01/05/1999 |
| 5739477 | Portable apparatus for monitoring the weight of a vehicle An apparatus and method for weighing a vehicle on a ground support surface comprising a scale platform adapted to support the vehicle and a scale positioned on the scale platform operably engagable with the vehicle to monitor the weight of the vehicle. Th... | 04/14/1998 |
| 5560639 | Modular squatdown wheeled suspension system A modular wheel assembly adapted to be mounted in parallel pairs on a vehicle having a load bearing bed, wherein each modular wheel assembly includes a wheel disposed on an axle, and further employs an air bag suspension system, including upper and lower ... | 10/01/1996 |
| 5249907 | Dolly serving as a traveling aid for a defective wheel of a motor vehicle A dolly or roll carriage which is utilized to serve as a traveling aid for a defective wheel of a motor vehicle. The dolly includes a traveling frame which is equipped with wheels, a ramp plate for the driving thereonto of the wheel, a well for the receip... | 10/05/1993 |
| 5248235 | Dolly serving as traveling aid for a defective wheel on a motor vehicle A dolly or roll carriage serving as a traveling aid for a defective wheel on a motor vehicle. The dolly includes an undercarriage equipped with rollers, a ramp plate for the driving ascent thereon of the defective wheel, a well for the receipt and for the... | 09/28/1993 |
| 5246241 | Adjustable deck trailer apparatus A trailer construction includes forward and rear deck surfaces arranged in a central coplanar relationship having an intermediate deck vertically adjustable relative to the forward and rear decks. A hydraulic push bar is mounted below each forward and rea... | 09/21/1993 |
| 5137413 | Expanded interior space and improved access mini-van An improvement in a vehicle such as a mini-van for transporting wheel chair bound people or large and bulky items is disclosed. A mini-van having a rear dropped axle and a door openable to the rear of the mini-van is converted into the improved mini-van. ... | 08/11/1992 |
| 5018930 | Lifting and transporting device A lifting and transporting device for heavy loads having a lower indented toe region therein, easily adjustable along both its length and its width dimensions so as to conform to the load it is to carry. Individual wheel assemblies are used for such trans... | 05/28/1991 |
| 4846484 | Pop-up dolly for a towing system A wheel cradling assembly includes a self-locking and self-unlocking actuator assembly associated with each of four dolly wheels, each actuator assembly having a roll-over pivot gear for moving an associated dolly wheel spindle between released and actuat... | 07/11/1989 |
| 4753566 | Inside loader for road traffic, designed as a semi-trailer for a semi-tractor, especically for transporting plate glass The invention concerns an inside loader, designed as a trailer for a semi-tractor, for road traffic, and for loading, transporting and unloading transportation racks, preferably for plate glass. The loader includes an undercarriage having parallel longitu... | 06/28/1988 |
| 4735424 | Utility hand cart A utility hand cart is disclosed which is particularly suited for use in lifting and transporting bulky heavy objects, such as automobile transmissions, air conditioner compressors, etc. The cart comprises a lower U-shaped rectangular frame and an elongat... | 04/05/1988 |
| 4664398 | Log wagon Disclosed is a wagon or cart specially designed for removing logs--particularly those of great weight and diameter--from the site at which the logs were cut, to a truck or other vehicle used for transporting the logs to a remote destination. The log wagon... | 05/12/1987 |
| 4635997 | Trailer A trailer is disclosed having a forward section, a middle section, and a rearward section. The forward section is adapted to be attached to the fifth wheel of a tractor while the rearward section supports the trailer on a set of wheels. The middle section... | 01/13/1987 |
| 4580830 | Trailer A trailer is disclosed having a forward section, a middle section, and a rearward section. The forward section is adapted to be attached to the fifth wheel of a tractor while the rearward section supports the trailer on a set of wheels. The middle section... | 04/08/1986 |
| 4490089 | Trailer An improved trailer for motorcycles and the like having two principal assemblies connected together in a hinge arrangement at the rear ends thereof; and which through a cooperative levering action therebetween provides for loading essentially parallel to ... | 12/25/1984 |
| 4488612 | Lifting dolly for helicopters A lifting dolly is provided for quickly and easily lifting a helicopter or the like while on the ground and for transporting the helicopter for maintenance or storage purposes. The lifting dolly comprises a relatively low profile central frame supported f... | 12/18/1984 |
| 4290642 | Convertible flat/drop trailer Front, rear and center trailer frame sections are provided and the front section includes hitch structure for attachment to a towing vehicle while the rear section includes ground engageable support wheels. The front and rear sections include upper deck p... | 09/22/1981 |
| 4260315 | Elevatable bed vehicle A front wheel drive vehicle having a bed supported by the rear wheels of the vehicle by a pair of jacks. The jacks cause lowering of the bed rear end to rest on the road surface for embarkation of a disabled vehicle on the bed.... | 04/07/1981 |
| 4182521 | Motorized delivery tricycle A motorized tricycle for deliveries, comprises a load carrying box on the rear of the tricycle between the two rear wheels of the tricycle and extending down below the axis of those wheels. The rear wheels are supported from a crosspiece of the frame of t... | 01/08/1980 |
| 4168931 | Freight container transport Freight container transport mechanism comprising a pair of jaw-like platfs movable toward one another by a winch-cable means to abut opposite ends of a freight container. As the platforms move toward one another certain upstanding struts on the platforms... | 09/25/1979 |
| 4122963 | Automotive goods-transport vehicle An automotive goods-transport vehicle has first and second wheeled chassis sections interconnected by a coupling device. A main power unit raises a forward portion of the second chassis section relative to the first chassis section and a pair of remote po... | 10/31/1978 |
| 4109811 | Trailer with lowerable bed A farm implement carrier is provided including an elongated load bed having front and rear ends. The front end of the load bed includes structure for hitching to a draft vehicle and a rear frame section is provided including a pair of opposite side elonga... | 08/29/1978 |
| 4093266 | Cargo carrier A cargo carrier includes a trailer bed having a rear end raising and lowering structure including a pivotal tail section, said bed being slidingly supported by a carriage. The tail section is operable to pivot in response to fore and aft sliding movement ... | 06/06/1978 |
| 4083573 | Cargo carrier A cargo carrier includes a trailer bed having a rear end raising and lowering structure including a pivotal tail section, said bed being slidingly supported by a carriage. The tail section is operable to pivot in response to fore and aft sliding movement ... | 04/11/1978 |
