Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44976 | Speed and acceleration monitoring device using visible laser beams | James H. Johnson | 2014-07-01 |
| 8419362 | Foldable blades for wind turbines | Fabio Bertolotti | 2013-04-16 |
| 7439510 | Compact emissivity and temperature measuring infrared detector | Edward James Bevan, Max Michael Briggs, Robert W. Gedridge, Jr. | 2008-10-21 |
| 7186978 | Compact emissivity and temperature measuring infrared detector | Edward James Bevan, Max Michael Briggs, Robert W. Gedridge, Jr. | 2007-03-06 |
| 7183945 | Method and system for video capture of vehicle information | Paul Kyle | 2007-02-27 |
| 7164132 | Multilane remote sensing device | James H. Johnson, Donald H. Stedman, Gary Bishop, W. John Williams | 2007-01-16 |
| 7141793 | Remove vehicle emission sensing device with single detector | James H. Johnson | 2006-11-28 |
| 6983639 | Remote emissions sensing system with improved NOx detection | Craig S. Rendahl, James H. Johnson | 2006-01-10 |
| 6952641 | Software architecture of an integrated host system for sensed vehicle data | Brett Morien, Craig S. Rendahl, Raghunandan Agaram | 2005-10-04 |
| 6900893 | Optical path structure for open path emissions sensing with particulate matter and lubricating oil consumption absorption methodology | Theresa A. Foley, Robert A. Gentala, Craig S. Rendahl | 2005-05-31 |
| 6833922 | Optical path structure for open path emissions sensing with opposed sources | Robert A. Gentala, Craig S. Rendahl | 2004-12-21 |
| 6781110 | Apparatus and method for measuring vehicle speed and/or acceleration | Craig S. Rendahl, Paul Kyle | 2004-08-24 |
| 6757607 | Audit vehicle and audit method for remote emissions sensing | Craig S. Rendahl, Ronald J. McNeill, Robert A. Gentala | 2004-06-29 |
| 6750444 | Apparatus and method for measuring vehicle speed and/or acceleration | Craig S. Rendahl, Paul Kyle | 2004-06-15 |
| 6744059 | Optical path structure for open path emissions sensing with spinning mirror | Robert A. Gentala, Craig S. Rendahl | 2004-06-01 |
| 6744516 | Optical path structure for open path emissions sensing | Robert A. Gentala, Craig S. Rendahl | 2004-06-01 |
| 6723990 | Optical path structure for open path emissions sensing with spinning filter wheel | Robert A. Gentala, Graig S. Rendahl | 2004-04-20 |
| 6723989 | Remote emissions sensing system and method with a composite beam of IR and UV radiation that is not split for detection | Craig S. Rendahl | 2004-04-20 |
| 6561027 | Support structure for system for measuring vehicle speed and/or acceleration | Craig S. Rendahl, Paul Kyle, George T. Hovancik | 2003-05-13 |
| 6307201 | Method and apparatus for selecting a filter for a remote sensing device | Craig S. Rendahl | 2001-10-23 |
| 6230087 | Vehicular running loss detecting system | Craig S. Rendahl | 2001-05-08 |
| 5644133 | Remote vehicle emission analyzer with light conveyance to detectors through fiber optic light tubes | Dennis L. Smith, James H. Johnson | 1997-07-01 |
| 5371367 | Remote sensor device for monitoring motor vehicle exhaust systems | James H. Johnson, Kenneth W. Michaels, Donald H. Stedman, Dennis L. Smith | 1994-12-06 |