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| Number | Title | Issue Date |
| 7765866 | Pressure sensor having insect entering restriction element A pressure sensor is provided. The pressure sensor includes a sensing element, a case, a line element, an insect entering restriction element. The case has a space for receiving the sensing element. The case includes a pressure introduction passage, which is in comm... | 08/03/2010 |
| 7318383 | Narrow gauge hollow needle tufting apparatus A narrow gauge hollow needle tufting apparatus is provided with longitudinally aligned yarn feed openings, longitudinal funnel slots, self aligning hollow needles, and a castellated backing support bar. ... | 01/15/2008 |
| 4067239 | Adding flowmeter An adding flowmeter comprises a liquid chamber and is divided into two chamber parts by a membrane fixed to a slide which is able to move along a rod. The rod controls a slide valve for the supply and discharge of liquid to and from each of the chamber pa... | 01/10/1978 |
