De Villiers; Pierre
Patent Applications and Registrations
Patent applications and USPTO patent grants for De Villiers; Pierre.The latest application filed is for "method and arrangement for animal management".
- De Villiers; Pierre - Hamilton N/A NZ
- De Villiers; Pierre - Pretoria ZA
- De Villiers; Pierre - Tullinge SE
- De Villiers; Pierre - Hartbeespoort ZA
| Patent | Date |
|---|---|
| System and method for monitoring ensilage of fodder Grant 8,633,820 - Jonsson , et al. January 21, 2 | 2014-01-21 |
| System for managing the supply of consumable matter to be consumed by milk producing animals Grant 8,424,488 - Jonsson , et al. April 23, 2 | 2013-04-23 |
| Method and arrangement for animal management Grant 8,397,669 - De Villiers March 19, 2 | 2013-03-19 |
| System and method for managing animals on a dairy farm Grant 8,281,745 - De Villiers October 9, 2 | 2012-10-09 |
| Method And Arrangement For Animal Management App 20110155064 - De Villiers; Pierre | 2011-06-30 |
| System And Method For Monitoring Ensilage Of Fodder App 20100148959 - Jonsson; Magnus ; et al. | 2010-06-17 |
| System And Method For Managing Animals On A Dairy Farm App 20090288605 - De Villiers; Pierre | 2009-11-26 |
| Filtration Grant 5,480,464 - De Villiers , et al. January 2, 1 | 1996-01-02 |
| Filtration Grant 5,403,367 - De Villiers , et al. April 4, 1 | 1995-04-04 |
| Hydro-cyclone with circulation outlet for boundary layer flow Grant 5,002,671 - de Villiers , et al. March 26, 1 | 1991-03-26 |
| Vortex tube separating device Grant 4,985,058 - Prinsloo , et al. * January 15, 1 | 1991-01-15 |
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