Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908920 | Velocity-of-propagation fluid level measurement method | William P. Schenk, Jr. | 2011-03-22 |
| 7634945 | Apparatus to water detection in a storage tank | — | 2009-12-22 |
| 7483795 | Pressure and temperature compensation algorithm for use with a piezo-resistive strain gauge type pressure sensor | Wojtek Miller, Kenneth A. Cupples | 2009-01-27 |
| 7262607 | Characterizing substances with multistatic probes | William P. Schenk, Jr., Kenneth A. Cupples | 2007-08-28 |
| 7191072 | Pressure and temperature measurement of a piezo-resistive device using differential channel of a ratiometric analog to digital converter | Kenneth A. Cupples, Wojtek Miller | 2007-03-13 |
| 5943908 | Probe for sensing fluid level | Sean C. Innes, James S. Leonard, Albert A. Reinhart | 1999-08-31 |
| 5898308 | Time-based method and device for determining the dielectric constant of a fluid | — | 1999-04-27 |
| 5656774 | Apparatus and method for sensing fluid level | Steven D. Nelson, James S. Leonard | 1997-08-12 |
| 5651286 | Microprocessor based apparatus and method for sensing fluid level | Robert D. Shaw | 1997-07-29 |
| 5608416 | Portable rapidly erectable discone antenna | Denver N. Tenney, Laurence C. Simms | 1997-03-04 |
| 4951088 | Toner mass developed control ratio modification system | John Bonvallet, Jimmie Ray Brewster, Kenneth S. Shouldice | 1990-08-21 |
| 4829336 | Toner concentration control method and apparatus | Darrel E. Sartin | 1989-05-09 |
| 4625176 | Electrostatic probe | Clarke A. Yeager | 1986-11-25 |
| 4466731 | Electrophotographic machine with high density toner concentration control | Robert W. Pries | 1984-08-21 |
| 4326796 | Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier | Larry M. Ernst, Leland W. Ford, Ronald G. Velarde | 1982-04-27 |