Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067377 | Device and methods for accounting for environmental capacitances caused by an external object when detecting presence and location of surface coatings on transparent and/or translucent medium | Jeffrey A. Simpson, Nathan Strimpel, Jed Martens | 2021-07-20 |
| D882424 | Credit card-size low-E detection device for positioning of the device against a glass | Jeffrey A. Simpson, Jed Martens, Nathan Strimpel | 2020-04-28 |
| D856830 | Tint meter device having a slot for self-positioning of the tint meter onto a glass edge | Jeffrey A. Simpson | 2019-08-20 |
| 9891041 | Apparatus and method for measuring thickness of transparent and/or translucent mediums using a reflecting signal that is normal or near normal to the mediums | Nathan Strimpel, Jed Martens, Jeffrey A. Simpson | 2018-02-13 |
| 8847176 | System for detecting fluorescing substances on non-fluorescing material using the human eye | Nathan Strimpel, Jeffrey A. Simpson | 2014-09-30 |
| 8723944 | System for detecting conductive coatings on non-conductive medium surfaces | Jeffrey A. Simpson, Jed Martens, Nathan Strimpel | 2014-05-13 |
| 7652760 | System for detecting coatings on transparent or semi-transparent materials | Jeffrey A. Simpson, Nathan Strimpel | 2010-01-26 |
| 7583368 | Method of enhancing measurement of stress in glass | Jeffrey A. Simpson, Nathan Strimpel | 2009-09-01 |
| 7525658 | System of correlating light measurements | Jeffrey A. Simpson, Nathan Strimpel | 2009-04-28 |
| 7499165 | System of measuring light transmission and/or reflection | Jeffrey A. Simpson, Nathan Strimpel | 2009-03-03 |
| 7417749 | Method and apparatus for protecting an optical transmission measurement when sensing transparent materials | Jeffrey A. Simpson | 2008-08-26 |
| 6683695 | Method and apparatus for detecting properties of reflective transparent surface coatings on a sheet of transparent material | Jeffrey A. Simpson | 2004-01-27 |
| 5966214 | Gauge for measuring glass thickness and glass pane spacing | Jeffrey A. Simpson | 1999-10-12 |