Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10497556 | Ultraviolet lamp systems and methods of operating and configuring the same | Brett Skinner, Darrin Leonhardt | 2019-12-03 |
| 8785868 | Intelligent UV radiation system | Yixin Yang, William E. Johnson, III, Pradyumna Kumar Swain, Michael Kenneth West, David Xu +2 more | 2014-07-22 |
| 8507884 | Elliptical light source for ultraviolet (UV) curing lamp assemblies | Pradyumna Kumar Swain, Darrin Leonhardt, David A. Sprankle | 2013-08-13 |
| 8357878 | UV LED based lamp for compact UV curing lamp assemblies | Darrin Leonhardt, Pradyumna Kumar Swain | 2013-01-22 |
| 7977659 | Radio frequency screen assembly for microwave cavities | Curt Harper, George Jarrard, Kevin Lascola, Matthew R. Schroeder, David A. Sprankle | 2011-07-12 |
| 7906911 | Luminaire assembly having a bonded reflector cavity for supporting an ultra-violet lamp | Kevin Lascola, David A. Sprankle, George Jarrard | 2011-03-15 |
| 6740892 | Air-cooled lamp, and article treatment system and method utilizing an air-cooled lamp | — | 2004-05-25 |
| 6690112 | Ultraviolet lamp power supply and method for operating at high power/reduced cooling using cycling | Ernest G. Penzenstadler | 2004-02-10 |
| 6626561 | Lamp structure, having elliptical reflectors, for uniformly irradiating surfaces of optical fiber and method of use thereof | R. Sykes Carter, Robert Rhoades | 2003-09-30 |
| 5977724 | Bulb rotation for eliminating partial discharges | James T. Dolan, Michael G. Ury | 1999-11-02 |
| 5866980 | Sulfur/selenium lamp with improved characteristics | James T. Dolan, Michael G. Ury | 1999-02-02 |
| 5838108 | Method and apparatus for starting difficult to start electrodeless lamps using a field emission source | Jerome D. Frank, Miodrag Cekic | 1998-11-17 |
| 5834895 | Visible lamp including selenium | James T. Dolan, Michael G. Ury, Brian Turner | 1998-11-10 |
| 5804922 | Lamp with controllable spectral output | James T. Dolan, Michael G. Ury | 1998-09-08 |
| 5798611 | Lamp having controllable spectrum | James T. Dolan, Michael G. Ury, Brian Turner | 1998-08-25 |
| 5757130 | Lamp with electrodes for increased longevity | James T. Dolan, Michael G. Ury, John F. Waymouth | 1998-05-26 |
| 5682080 | Method and apparatus for igniting electrodeless lamp discharge | James T. Dolan, Brian Turner, Michael G. Ury | 1997-10-28 |
| 5670842 | Method and apparatus for igniting electroeless lamp discharge | James T. Dolan, Brian Turner, Michael G. Ury | 1997-09-23 |
| 5606220 | Visible lamp including selenium or sulfur | James T. Dolan, Michael G. Ury | 1997-02-25 |
| 5541475 | Electrodeless lamp with profiled wall thickness | Philip Premysler | 1996-07-30 |
| 5493184 | Electrodeless lamp with improved efficiency | Brian Turner | 1996-02-20 |
| 5404076 | Lamp including sulfur | James T. Dolan, Michael G. Ury | 1995-04-04 |
| 5334913 | Microwave powered lamp having a non-conductive reflector within the microwave cavity | Michael G. Ury | 1994-08-02 |
| 5107167 | Incandescent bug lamp with cadmium-free powder coating | Sarah C. Shobert, Ronald Blose, Costas C. Lagos | 1992-04-21 |
| 5032420 | Method of applying cadium-free incandescent lamp powder coating | Sarah C. Shobert, Ronald Blose, Costas C. Lagos | 1991-07-16 |