|
| US4320405 | 7 Nov 1979 | 16 Mar 1982 | DIA-Nielsen GmbH Zubehor fur die Messtechnik | Writing device for recorders, measuring instruments and the like |
| US4419678 | 9 Oct 1980 | 6 Dec 1983 | Canon Kabushiki Kaisha | Ink jet recording apparatus |
| US5673073 | 14 Mar 1996 | 30 Sep 1997 | Hewlett-Packard Company | Syringe for filling print cartridge and establishing correct back pressure |
| US5675367 | 14 Mar 1996 | 7 Oct 1997 | Hewlett-Packard Company | Inkjet print cartridge having handle which incorporates an ink fill port |
| US5732751 | 4 Dec 1995 | 31 Mar 1998 | Hewlett-Packard Company | Filling ink supply containers |
| US5734401 | 4 Dec 1995 | 31 Mar 1998 | Hewlett-Packard Company | Fluid interconnect for coupling a replaceable ink supply with an ink-jet printer |
| US5748216 | 14 Mar 1996 | 5 May 1998 | Hewlett-Packard Company | Inkjet print cartridge having valve connectable to an external ink reservoir for recharging the print cartridge |
| US5751320 | 14 Mar 1996 | 12 May 1998 | Hewlett-Packard Company | Ink recharger for inkjet print cartridge having sliding valve connectable to print cartridge |
| US5771053 | 4 Dec 1995 | 23 Jun 1998 | Hewlett-Packard Company | Assembly for controlling ink release from a container |
| US5777646 | 4 Dec 1995 | 7 Jul 1998 | Hewlett-Packard Company | Self-sealing fluid inerconnect with double sealing septum |
| US5777648 | 14 Mar 1996 | 7 Jul 1998 | Hewlett-Packard Company | Inkjet print cartridge having an ink fill port for initial filling and a recharge port with recloseable seal for recharging the print cartridge with ink |
| US5815182 | 4 Dec 1995 | 29 Sep 1998 | Hewlett-Packard Company | Fluid interconnect for ink-jet pen |
| US5825387 | 27 Apr 1995 | 20 Oct 1998 | Hewlett-Packard Company | Ink supply for an ink-jet printer |
| US5847734 | 4 Dec 1995 | 8 Dec 1998 | | Air purge system for an ink-jet printer |
| US5852458 | 14 Mar 1996 | 22 Dec 1998 | Hewlett-Packard Company | Inkjet print cartridge having a first inlet port for initial filling and a second inlet port for ink replenishment without removing the print cartridge from the printer |
| US5856839 | 4 Dec 1995 | 5 Jan 1999 | Hewlett-Packard Company | Ink supply having an integral pump |
| US5856840 | 4 Dec 1995 | 5 Jan 1999 | Hewlett-Packard Company | Method of manufacturing a replaceable ink supply for an ink-jet printer |
| US5900895 | 4 Dec 1995 | 4 May 1999 | Hewlett-Packard Company | Method for refilling an ink supply for an ink-jet printer |
| US5963238 | 5 May 1998 | 5 Oct 1999 | Hewlett-Packard Company | Intermittent refilling of print cartridge installed in an inkjet printer |
| US5966156 | 7 Jul 1998 | 12 Oct 1999 | Hewlett-Packard Company | Refilling technique for inkjet print cartridge having two ink inlet ports for initial filling and recharging |
| US5992987 | 11 Jun 1997 | 30 Nov 1999 | Hewlett-Packard Company | Technique for filling a print cartridge with ink and maintaining a correct back pressure |
| US6000791 | 19 May 1997 | 14 Dec 1999 | Hewlett-Packard Company | Printer having a removable print cartridge with handle incorporating an ink inlet value |
| US6015209 | 1 Apr 1998 | 18 Jan 2000 | Hewlett-Packard Company | Replaceable ink container with fluid interconnect for coupling to an ink-jet printer |
| US6550899 | 19 Jul 1999 | 22 Apr 2003 | Hewlett-Packard Company | Ink supply for an ink-jet printer |
