Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972405 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2011-07-05 |
| 7927396 | Evacuation value arrangements; pulse jet air cleaner systems using same; and, method | Gary R. Gillingham, Fred H. Wahlquist | 2011-04-19 |
| 7682416 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2010-03-23 |
| 7458166 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2008-12-02 |
| 7353614 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2008-04-08 |
| 7351270 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2008-04-01 |
| 7346995 | System and method for compensating for magnetic disturbance of a compass by a moveable vehicle accessory | Thomas S. Wright, Sven Natus | 2008-03-25 |
| 7322117 | System and method for compensating for motor magnetic disturbance of a compass measurement | Todd R. Witkowski, Thomas S. Wright | 2008-01-29 |
| 7323029 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Gary R. Gillingham, Jim C. Rothman, Richard Lawrence Suydam | 2008-01-29 |
| 7191533 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2007-03-20 |
| 7127823 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2006-10-31 |
| 6964108 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2005-11-15 |
| 6857194 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2005-02-22 |
| 6784673 | Condition sensor for a dryer | Donald M. Tomasi, Shawn Oltz, James I. Czech | 2004-08-31 |
| 6643941 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2003-11-11 |
| 6489888 | Using signal strength to identify tire position | Brian S. Honeck, Emil J. Ureel | 2002-12-03 |
| 6418376 | Method and apparatus to maintain compass heading with a moveable sensor mounting | — | 2002-07-09 |
| 6301794 | Vehicle compass system with continuous automatic calibration | Jeffrey N. Parks, David J. Slater | 2001-10-16 |
| 6192315 | Dual-calibrated compass | James R. Geschke, Mark Michmerhuizen, Gregory B. Colon | 2001-02-20 |
| 6175233 | Two axis position sensor using sloped magnets to generate a variable magnetic field and hall effect sensors to detect the variable magnetic field | Jeffrey L. McCurley, James E. White, Craig A. Jarrard, Ronald C. Nonnenmacher, John Zdanys, Jr. | 2001-01-16 |
| 6057682 | Dual rotational and linear position sensor | Jeffrey L. McCurley, James E. White, Craig A. Jarrard, Ronald C. Nonnenmacher, John Zdanys, Jr. +1 more | 2000-05-02 |
| 5878370 | Vehicle compass system with variable resolution | — | 1999-03-02 |
| 5761094 | Vehicle compass system | James R. Geschke, Steven L. Geerlings | 1998-06-02 |
| 5737226 | Vehicle compass system with automatic calibration | Jeffrey N. Parks, Paul S. Vanlente | 1998-04-07 |
| 5654686 | Electronic vehicle theft detection system employing a magnetic field sensor | James R. Geschke | 1997-08-05 |