Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11817808 | Vertically packaged redundant variable frequency drive | Brian J. Baldwin, Kiese L. Mukana, Ilkka T. Pajari | 2023-11-14 |
| 9422160 | Method of making a hydrogen sensing pigment | William Hoagland, Rodney D. Smith | 2016-08-23 |
| 8636883 | Monitorable hydrogen sensor system | William Hoagland | 2014-01-28 |
| 8574917 | Hydrogen sulfide indicating pigments | William Hoagland, Rodney D. Smith | 2013-11-05 |
| 7431896 | Vacuum-insulated exhaust treatment devices, such as catalytic converters, with passive controls | John P. Biel, Jr., Steven D. Burch, Frederick B. Hill, Jr., Matthew Allen Keyser, Lance Mews +2 more | 2008-10-07 |
| 7306951 | Method and apparatus for determining diffusible hydrogen concentrations | Thomas R. Wildeman, R. Davis Smith, II, David L. Olson | 2007-12-11 |
| 6908595 | Vacuum-insulated exhaust treatment devices, such as catalytic converters, with passive controls | John P. Biel, Jr., Steven D. Burch, Frederick B. Hill, Jr., Matthew Allen Keyser, Lance Mews +2 more | 2005-06-21 |
| 6448068 | System for rapid biohydrogen phenotypic screening of microorganisms using a chemochromic sensor | Michael Seibert, Timothy M. Flynn | 2002-09-10 |
| 6441942 | Electrochromic projection and writing device | Howard M. Branz | 2002-08-27 |
| 6277589 | Method and apparatus for rapid biohydrogen phenotypic screening of microorganisms using a chemochromic sensor | Michael Seibert, Timothy M. Flynn | 2001-08-21 |
| 6203764 | Vacuum-insulated catalytic converter | — | 2001-03-20 |
| 6156395 | Plasma enhanced chemical vapor deposition (PECVD) method of forming vanadium oxide films and vanadium oxide thin-films prepared thereby | Ji-Guang Zhang, C. Edwin Tracy, John A. Turner, Ping Liu | 2000-12-05 |
| 5834137 | Thin film method of conducting lithium-ions | Ji-Guang Zhang, C. Edwin Tracy | 1998-11-10 |
| 5807533 | Method for charging a hydrogen getter | C. Edwin Tracy, Matthew Allen Keyser | 1998-09-15 |
| 5716736 | Solid lithium-ion electrolyte | Ji-Guang Zhang, C. Edwin Tracy | 1998-02-10 |
| 5708735 | Fiber optic device for sensing the presence of a gas | Clemens S. Bechinger, C. Edwin Tracy | 1998-01-13 |
| 5643485 | Cooking utensil with improved heat retention | Thomas F. Potter, Steven D. Burch | 1997-07-01 |
| 5562154 | Material-controlled dynamic vacuum insulation | Thomas F. Potter | 1996-10-08 |
| 5502292 | Method for laser welding ultra-thin metal foils | John Pernicka, C. Edwin Tracy | 1996-03-26 |
| 5500503 | Simultaneous laser cutting and welding of metal foil to edge of a plate | John Pernicka, C. Edwin Tracy | 1996-03-19 |
| 5489321 | Welding/sealing glass-enclosed space in a vacuum | C. Edwin Tracy | 1996-02-06 |
| 5477676 | Method and apparatus for thermal management of vehicle exhaust systems | Thomas F. Potter | 1995-12-26 |
| 5433056 | Radiation-controlled dynamic vacuum insulation | Thomas F. Potter | 1995-07-18 |
| 5384653 | Stand-alone photovoltaic (PV) powered electrochromic window | Richard S. Crandall, Satyendra K. Deb, Jack L. Stone | 1995-01-24 |
| 5318108 | Gas-controlled dynamic vacuum insulation with gas gate | Thomas F. Potter | 1994-06-07 |