In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Application No. | Application Title | Issue Date |
| 20080098806 | Angular speed detecting apparatus for crankshaft of internal combustion engine An angular speed detecting apparatus for a crankshaft of an internal combustion engine. The angular speed detecting apparatus detects a rotational angular speed of the crankshaft based on an output of a pulse generator which generates a crank pulse at every predetermine... | 05/01/2008 |
| 20080028844 | Monitoring of a Cam Profile Switching System in Internal Combustion Engines A method and apparatus for detecting degradation in the cam profile switching system in either bank 2, 3 of a V-engine 1 relies on a comparison of the lambda values in each exhaust bank 4, 5 immediately prior to and subsequent to a cam profile switc... | 02/07/2008 |
| 20070261485 | Flowing device for optics-based methanol sensor A flowing device for an optics-based methanol sensor includes an inner housing that surrounds the optics-based methanol sensor, an outer housing that surrounds the inner housing, a flow channel in the inner housing formed on a totally reflecting surface of the optics-ba... | 11/15/2007 |