Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7334693 | Biased support A biased support for booms that can pivot about a pin, for pivoting travel tracks for vehicles that run on rails, such as trolley travel tracks on booms. The booms are mounted to pivot via pins, the lock on the boom and slide plates on the upper and lower bearing po... | 02/26/2008 |
| 4721431 | Self loading system The loading and unloading of large items such as shipping containers from vehicles is accomplished with a lifting and transferring unit at each end of the vehicle. Each unit has a lifting post (3) slidable on a transverse track (7), and a foldable track e... | 01/26/1988 |
| 4695958 | Digital pacing indicator for motorcycles A form of competitive motorcycle racing termed "Enduro racing" comprises a series of race segments. The object of the race is to traverse each race segment at speeds which are as close as possible to the target speeds for the race segment. Along each race... | 09/22/1987 |
| 4613276 | Vehicle with load handling apparatus A vehicle has container handling apparatus at each end. This apparatus has a pedestal with track arms which with the pedestal form a lateral trackway on which a carriage can run, for lifting, traversing and lowering a container. Each track arm in the oper... | 09/23/1986 |
| 4518304 | Load handling apparatus A load handling apparatus has two spaced telescopic pedestals mounted on a vehicle. Each pedestal has a center top member at each end of which is pivotally mounted a respective arm. The arms are each movable in a vertical plane at right angles to the leng... | 05/21/1985 |
| 4449884 | Universal robot A universal robot comprising an X-axis arm (3) which is mounted on a post (1) through a support member (2) movable in the vertical direction and is tiltable into a desired position, and a Z-axis arm (6) which is mounted on a slider (5) movable along the X... | 05/22/1984 |
| 4360307 | Device for vertical and/or horizontal transport of loads into and out of a vehicle or the like A device for vertical and/or horizontal transport of loads into and out of a vehicle or the like and particularly intended to enable disabled wheel chair bound persons to be transferred into and out of a passenger car and comprising a tubular supporting m... | 11/23/1982 |
| 4232610 | Mobile apparatus for laying railway track A mobile apparatus for laying railway track comprises a car running on the rails and a carrier frame with a track on which a power-driven trolley is mounted. The trolley includes a beam for carrying and laying an assembled section of the railway track inc... | 11/11/1980 |
| 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 |
| 4099630 | Pipe handling apparatus Pipe handling apparatus for transporting pipe between a derrick floor and a pipe rack by a cable-way. A portion of the cable overhangs the derrick floor and the pipe rack. Spaced apart pipe receiving carriages are supported by the cable and are provided w... | 07/11/1978 |
| 4082193 | Pipe handling apparatus As a preferred embodiment of the invention disclosed herein, a winch is stationed to one side of an oil field derrick and a cable spooled on the winch extended over a pipe rack and secured at a convenient location above the derrick floor. A pair of spaced... | 04/04/1978 |
| 4053063 | Apparatus for handling pipe at well site A pipe handling apparatus for transporting pipe, drill collars, or similar elongate members between the elevated drilling floor of a well derrick and a lower storage area is disclosed. The apparatus comprises a pair of support cables forming a cable track... | 10/11/1977 |
| 4040524 | Apparatus for handling pipe at well site A pipe handling device for transporting pipe, drill collars, or like tubular members between the elevated drilling floor of a well derrick and a lower storage area has a pair of support cables extending between the rig floor and the storage area. A pipe t... | 08/09/1977 |
| 3946881 | Transverse travelling crane for ships The invention relates to a transverse travelling crane for ships which comprises a fixed horizontal crane beam extending transversely of the ship through a superstructure thereon. The beam has substantially the same length as the width of the ship, and th... | 03/30/1976 |
