Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8871157 | Electronic pipette with two-axis controller | William D. Homberg, Michael C. SCHMITTDIEL, Andrew Vainshtein, Thomas A. Bell, Vintory L. Blake Moore | 2014-10-28 |
| 7819030 | Hybrid manual-electronic pipette | James S. Petrek, William D. Homberg | 2010-10-26 |
| 7788986 | Hybrid manual-electronic pipette | James S. Petrek, William D. Homberg, Christian K. Apple | 2010-09-07 |
| 7770475 | Hybrid manual-electronic pipette | James S. Petrek, William D. Homberg, Andrew Vainshtein, Christian K. Apple | 2010-08-10 |
| 7726212 | Hybrid manual-electronic pipette | Andrew Vainshtein, James S. Petrek, William D. Homberg | 2010-06-01 |
| 6871557 | Pipette device with tip ejector utilizing stored energy | Phillip Yee, Albert Wang | 2005-03-29 |
| 6428750 | Volume adjustable manual pipette with quick set volume adjustment | Kenneth Rainin, Phillip Yee, William D. Homberg, James S. Petrek | 2002-08-06 |
| 5792424 | Manual pipette with delayed-action home position latch | William D. Homberg, Christopher Kelly, Kenneth Rainin | 1998-08-11 |
| 5779984 | Pipette tip rack and refill pack containing large maximized volume freely nestable pipette tips | Christopher Kelly, David J. Lemieux, James S. Petrek, Kenneth Rainin | 1998-07-14 |
| 5441702 | Refill pack for pipette tip racks | David J. Lemieux, Paul K. Chadwick, Christopher Kelly, James S. Petrek, Kenneth Rainin +1 more | 1995-08-15 |
| 5392914 | Refill pack for pipette tip racks | David J. Lemieux, Paul K. Chadwick, Christopher Kelly, James S. Petrek, Kenneth Rainin +1 more | 1995-02-28 |
| 5364596 | Manual pipette with plunger velocity governor, home position latch and trigger release | William D. Homberg, Kenneth Rainin | 1994-11-15 |
| 5214593 | Method and apparatus for extending the linear dynamic range of absorbance detectors including multi-lightpath flow cells | Roy P. Moeller | 1993-05-25 |
| 5148239 | High performance absorbance detector with flashlamp and compact folded optics system | Roy P. Moeller | 1992-09-15 |
| 5064287 | Sample flow cell with circumferentially uniform radial flow pattern at its entrance and/or exit ports | — | 1991-11-12 |
| 5062706 | High pressure fluid sample flow cell with circumferential window edge seal | — | 1991-11-05 |
| 4905526 | Portable automated pipette for accurately pipetting and/or titrating liquids | Gary L. Smith, Stephen J. Ruskewicz, Anthony K. Wingo | 1990-03-06 |
| 4839248 | System and method for depassivating a passivated lithium battery in a battery powered microprocessor controlled device | Roy P. Moeller, Phillip S. Palmer, Gary L. Smith | 1989-06-13 |
| 4820129 | Pressure measurement in fluid pump systems | — | 1989-04-11 |
| 4763535 | Pipette mechanism | Kenneth Rainin, Roy P. Moeller | 1988-08-16 |
| 4748859 | Disposable pipette tip | Walter S. Watson | 1988-06-07 |
| 4671123 | Methods and apparatus for pipetting and/or titrating liquids using a hand held self-contained automated pipette | Gary L. Smith, Stephen J. Ruskewicz, Anthony K. Wingo | 1987-06-09 |
| 4616514 | Replaceable tip assembly for pipette | Stephen J. Ruskewicz | 1986-10-14 |
| RE31608 | Fluid pump mechanism | — | 1984-06-19 |
| RE31586 | Liquid chromatography pump | — | 1984-05-15 |