Shi; Zhenchun (Tony)
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shi; Zhenchun (Tony).The latest application filed is for "displacement pump".
- Shi; Zhenchun (Tony) - Tony
- Shi; Zhenchun (Tony) - Hamilton N/A CA
| Patent | Date |
|---|---|
| Displacement pump Grant 10,174,754 - Ophardt , et al. J | 2019-01-08 |
| Displacement Pump App 20160097386 - Ophardt; Heiner ; et al. | 2016-04-07 |
| Piston with frangible piston stop Grant 8,701,943 - Ophardt , et al. April 22, 2 | 2014-04-22 |
| Variable Volume Bore Piston Pump App 20140099224 - Ophardt; Heiner ; et al. | 2014-04-10 |
| Piston With Frangible Piston Stop App 20130233167 - Ophadrt; Heiner ; et al. | 2013-09-12 |
| Piston with frangible piston stop Grant 8,413,855 - Ophardt , et al. April 9, 2 | 2013-04-09 |
| Draw back push pump Grant 8,360,286 - Shi , et al. January 29, 2 | 2013-01-29 |
| Angled slot foam dispenser Grant 8,272,539 - Ophardt , et al. September 25, 2 | 2012-09-25 |
| Engagement flange for removable dispenser cartridge Grant 8,113,388 - Ophardt , et al. February 14, 2 | 2012-02-14 |
| Engagement flange for fluid dispenser pump piston Grant 8,091,739 - Ophardt , et al. January 10, 2 | 2012-01-10 |
| Piston with frangible piston stop App 20110132933 - Ophardt; Heiner ; et al. | 2011-06-09 |
| Draw back push pump App 20110014076 - Shi; Zhenchun (Tony) ; et al. | 2011-01-20 |
| Engagement flange for removable dispenser cartridge App 20100163580 - Ophardt; Heiner ; et al. | 2010-07-01 |
| Engagement flange for fluid dispenser pump piston App 20100140297 - Ophardt; Heiner ; et al. | 2010-06-10 |
| Angled slot foam dispenser App 20090145296 - Ophardt; Heiner ; et al. | 2009-06-11 |
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