Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7195229 | Automatic sampler In a direct injection type automatic sampler, a sampling needle having a liquid sample collected from a sample vessel by using suction force of a pump is inserted into an injection port. Then, a flow path-switching valve is rotated to switch a flow path to make a fl... | 03/27/2007 |
| 7150446 | Dual lift system Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sea... | 12/19/2006 |
| 6978977 | Dual lift system Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sea... | 12/27/2005 |
| 4671915 | Method for making a glass precision valve A glass precision valve for use in liquid measuring instruments, the valve comprising a valve body having a conically sharpened head slidably accommodated in a bulged portion, which includes glass tubes at opposite ends, a valve seat provided by the insid... | 06/09/1987 |
