Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007068 | Printer having recycling ink and pressure-equalized upstream and downstream ink lines | Kent Benjamen Kwan, Nicholas Kenneth Abraham, Christopher Hibbard, Kia Silverbrook | 2011-08-30 |
| 7980685 | Ink supply system with float valve | Kent Benjamen Kwan, Nicholas Kenneth Abraham, Christopher Hibbard, Kia Silverbrook | 2011-07-19 |
| 7931359 | Method of priming a printhead with concomitant replenishment of ink in an ink supply chamber | Kent Benjamen Kwan, Nicholas Kenneth Abraham, Christopher Hibbard, Kia Silverbrook | 2011-04-26 |
| 7887148 | Method of depriming a printhead with concomitant isolation of ink supply chamber | Kent Benjamen Kwan, Nicholas Kenneth Abraham, Christopher Hibbard, Kia Silverbrook | 2011-02-15 |
| 7887170 | Pressure-regulating chamber comprising float valve biased towards closure by inlet ink pressure | Kent Benjamen Kwan, Nicholas Kenneth Abraham, Christopher Hibbard, Kia Silverbrook | 2011-02-15 |
| 7883189 | Pressure-regulating chamber for gravity control of hydrostatic ink pressure and recycling ink supply system | Kent Benjamen Kwan, Nicholas Kenneth Abraham, Christopher Hibbard, Kia Silverbrook | 2011-02-08 |