|
| US4140018 | 7 Sep 1977 | 20 Feb 1979 | Science Spectrum, Inc. | Programmable action sampler system |
| US4297903 | 24 Apr 1980 | 3 Nov 1981 | Beckman Instruments, Inc. | Liquid transfer valve |
| US4463615 | 6 Jul 1981 | 7 Aug 1984 | Beckman Instruments, Inc. | Liquid transfer valve |
| US4516437 | 23 Mar 1983 | 14 May 1985 | Coulter Corporation | Microsample handling apparatus |
| US4621534 | 6 Sep 1984 | 11 Nov 1986 | Carlo Erba Strumentazione S.p.A. | Automatic sample apparatus, valve and sampling method |
| US4817443 | 10 Nov 1987 | 4 Apr 1989 | A.B.X. | Device for cleaning a liquid sample taking needle |
| US4888998 | 17 May 1989 | 26 Dec 1989 | Beckman Instruments, Inc. | Sample handling system |
| US4891104 | 24 Apr 1987 | 2 Jan 1990 | SmithKline Diagnostics, Inc. | Enzymatic electrode and electrode module and method of use |
| US4935106 | 15 Nov 1985 | 19 Jun 1990 | SmithKline Diagnostics, Inc. | Ion selective/enzymatic electrode medical analyzer device and method of use |
| US4946651 | 17 May 1988 | 7 Aug 1990 | SmithKline Diagnostics, Inc. | Sample holder for a body fluid analyzer |
| US5130095 | 13 Mar 1989 | 14 Jul 1992 | Beckman Instruments, Inc. | Automatic chemistry analyzer |
| US5132233 | 13 Mar 1989 | 21 Jul 1992 | Beckman Instruments, Inc. | Sample injection cell |
| US5213762 | 2 Apr 1992 | 25 May 1993 | Beckman Instruments, Inc. | Automatic chemistry analyzer |
| US5223222 | 30 Jan 1992 | 29 Jun 1993 | Beckman Instruments, Inc. | Automatic chemistry analyzer |
| US5279794 | 30 Oct 1992 | 18 Jan 1994 | Kabushiki Kaisha Toshiba | Probe washing unit and automatic analysis system having probe washing unit |
| US5474744 | 21 Oct 1994 | 12 Dec 1995 | Hoffmann-La Roche Inc. | Automatic pipetting device with cleaning mechanism |
| US5592959 | 20 Dec 1994 | 14 Jan 1997 | TOA Medical Electronics Co., Ltd. | Pipet washing apparatus |
| US7396508 | 12 Jul 2000 | 8 Jul 2008 | Ventana Medical Systems, Inc. | Automated molecular pathology apparatus having independent slide heaters |
| US7727476 | 11 Feb 2005 | 1 Jun 2010 | Tecan Trading AG | Device for aspirating and dispensing liquid samples |
| US8171946 | 26 Oct 2009 | 8 May 2012 | Abbott Laboratories | Probe washing cups and methods |