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In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 6264262 | Tailgate design A mining vehicle with an improved tailgate design for raising the tailgate above or lowering the tailgate below the mining vehicle depending on operating conditions. The tailgate is comprised of a tailgate door and at least one side bracket which is coupl... | 07/24/2001 |
| 6113342 | Self-aligning battery changing system for electric battery-powered vehicles A battery and battery lifting system for a mining or construction vehicle, the vehicle having a frame, the system having a battery, the battery having at least one slot, the at least one slot having vertical sidewalls which extend toward convergence, and ... | 09/05/2000 |
| 6073745 | Adjustable yoke assembly The present invention is directed to an adjustable yoke assembly adapted to pivotally connect components of a continuous haulage system designed for use in underground excavation environments. The yoke assembly is vertically adjustable relative to the com... | 06/13/2000 |
| 5664932 | Pivoted lifting device The present invention is directed to a pivoted lifting device having a main support frame selectively pivotable about a horizontal axis and engagement arms connected to the main support frame by a pivot pin. The engagement arms include an engagement surfa... | 09/09/1997 |
| 5341920 | Load sensitive conveyor training apparatus An improved belt supporting and guiding apparatus enabling belt travel in other than a linear path wherein there is a base frame and a second frame mounted on the base frame; the second frame has center, left and right portions with surfaces which togethe... | 08/30/1994 |
| 5312206 | High lift temporary roof support for mines A temporary support for a mine roof is mounted on a mobile roof bolter, and includes a main support frame pivotably connected to the bolter, a main support beam and a ground contacting beam, both extending along the same axis in front of the main support ... | 05/17/1994 |
