Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9274076 | Low slope pH electrode with charge transfer component | — | 2016-03-01 |
| 8900433 | Low-slope pH electrode | Frank Howland Carpenter, John Woodward | 2014-12-02 |
| 8608925 | Multiple-electrode ionic probe | John Woodward, Russell Martin Young | 2013-12-17 |
| 6999898 | Classification of deviations in a process | Ziyi Wang, Dan Jonathan Kroll | 2006-02-14 |
| 6844934 | Optical turbidimeter with a lens tube | Gregory S. Retzlaff, John Woodward, Terry Lee Dickey | 2005-01-18 |
| 6395158 | PH sensor with electrical noise immunity | Joseph A. Millhouse | 2002-05-28 |
| 5140168 | Turbidimeter signal processing circuit using alternating light sources | — | 1992-08-18 |
| 5059811 | Turbidimeter having a baffle assembly for removing entrained gas | Bruce W. Weiss, Robert W. Endl | 1991-10-22 |