Oval Engineering Co.,Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oval Engineering Co.,Ltd..The latest application filed is for "small volume prover".
- Oval Engineering Co.,Ltd. - Tokyo JP
- Oval Engineering Company Limited - Tokyo JP
| Patent | Date |
|---|---|
| Small volume prover Grant 5,392,632 - Umeda , et al. February 28, 1 | 1995-02-28 |
| Calorimeter Grant 5,167,450 - Nukui , et al. December 1, 1 | 1992-12-01 |
| Vortex flow meter Grant 4,977,781 - Misumi , et al. December 18, 1 | 1990-12-18 |
| Ultrasonic fuel injection nozzle Grant 4,974,780 - Nakamura , et al. December 4, 1 | 1990-12-04 |
| Karman's vortex flow meter Grant 4,970,902 - Misumi , et al. November 20, 1 | 1990-11-20 |
| Elastic tubing pump Grant 4,969,808 - Tsukada November 13, 1 | 1990-11-13 |
| Vortex flow meter Grant 4,627,295 - Matsubara , et al. December 9, 1 | 1986-12-09 |
| Gaseous fluid flow meter utilizing karman vortex street Grant 4,380,934 - Okuda , et al. April 26, 1 | 1983-04-26 |
| Flow meter with helical toothed rotors having no pulsation and zero contact pressure Grant 4,329,130 - Nagata , et al. May 11, 1 | 1982-05-11 |
| Positive displacement flow meter with helical-toothed rotors Grant 4,224,015 - Nagata September 23, 1 | 1980-09-23 |
| Orifice Flow Meter Grant 3,805,612 - Shiba April 23, 1 | 1974-04-23 |
| Flow Conditioning Apparatus Grant 3,733,898 - Yamamoto , et al. May 22, 1 | 1973-05-22 |
| NCAGE Code | S3324 | OVAL ENGINEERING CO. LTD |
| NCAGE Code | K7788 | OVAL ENGINEERING CO LTD |
| CAGE Code | K7788 | OVAL ENGINEERING CO LTD |
| CAGE Code | S3324 | OVAL ENGINEERING CO. LTD |
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