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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 |
| 5074766 | Fuel injection pump for an internal combustion engine having pre-injection and main injection of fuel A fuel injection pump for an internal combustion engine has at least one pump piston movably disposed in a piston sleeve in a pump housing. The piston includes a first arrangement operable during a stroke in a suction direction for drawing fuel from a suc... | 12/24/1991 |
| 5071325 | Combination primer and mixture enrichment device The present invention is a fuel primer pump capable of manually injecting fuel into the carburetor of an internal combustion engine, and is adapted to include both enrichment and shut-off positions. The primer pump includes a housing sealed at one end by ... | 12/10/1991 |
| 4553398 | Linear motor compressor with pressure stabilization ports for use in refrigeration systems A pressure stabilization system for a linear compressor 20 piston 24 in which a check valve 68 and passages 72, 64 within the piston permit communication between a compressor work space and a non-working volume of gas 54 through an orifice 66 in the pisto... | 11/19/1985 |
| 4537284 | Lubricant distributor The progressive distributor contains a control piston which is slidable in a cylinder. The piston contains a main channel and a plurality of radially disposed distribution channels for distributing lubricant. The cylinder has feed channels which are align... | 08/27/1985 |
| 4314797 | Metering piston pump A metering fluid pump including a cylinder and a pumping piston movable therein, the cylinder being configured to define a liquid inlet chamber on one side of the piston and a liquid outlet chamber on the opposite side of the piston. A suction valve for t... | 02/09/1982 |
