Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8961333 | Golf club with high friction striking surface | Roger Steven Cannon, George B. Kendrick, Ernest C. Weyhrauch | 2015-02-24 |
| 7839095 | Lamp with integral voltage converter having phase-controlled dimming circuit containing a voltage controlled resistor | George B. Kendrick | 2010-11-23 |
| 7612504 | Lamp with integral voltage converter having phase-controlled dimming circuit for reducing RMS load voltage | George B. Kendrick | 2009-11-03 |
| 7527396 | Illumination device with thermally isolated integral power supply | Ernest C. Weyhrauch, George B. Kendrick, John Cooper | 2009-05-05 |
| 7492079 | Tungsten halogen lamp having internal power supply including temperature relief | Ernest C. Weyhrauch, George B. Kendrick | 2009-02-17 |
| 7462996 | Method of operating a lamp with a power controller having current limited RMS regulated output | Ernest C. Weyhrauch, George B. Kendrick, Brent J. Eastwood | 2008-12-09 |
| 7459861 | Lamp containing voltage conversion circuit including forward/reverse hybrid phase-control clipping circuit | George B. Kendrick, Ernest C. Weyhrauch | 2008-12-02 |
| 7375475 | Lamp containing power controller having current limited RMS regulated output | Ernest C. Weyhrauch, George B. Kendrick, Brent J. Eastwood | 2008-05-20 |
| 7358689 | Phase-control power controller for converting a line voltage to a RMS load voltage | Ernest C. Weyhrauch, George B. Kendrick | 2008-04-15 |
| 7352134 | Lamp containing fixed reverse phase switching power supply with time-based phase pulse triggering control | Ernest C. Weyhrauch | 2008-04-01 |
| 7342359 | Forward/reverse hybrid switching power supply with time-based pulse triggering control | George B. Kendrick, Ernest C. Weyhrauch | 2008-03-11 |
| 7301291 | Power controller having current limited RMS regulated output | Ernest C. Weyhrauch, George B. Kendrick, Brent J. Eastwood | 2007-11-27 |
| 7291984 | Method of reducing RMS load voltage in a lamp using pulse width modulation | Ernest C. Weyhrauch | 2007-11-06 |
| 7274149 | Lamp with integral pulse width modulated voltage control circuit | Ernest C. Weyhrauch | 2007-09-25 |
| 7274148 | Lamp having fixed forward phase switching power supply with time-based triggering | Ernest C. Weyhrauch | 2007-09-25 |
| 7262554 | Lamp with integral voltage converter having phase-controlled dimming circuit with hysteresis control for reducing RMS load voltage | George B. Kendrick | 2007-08-28 |
| 7224130 | Method of operating a lamp containing a fixed phase power controller | Ernest C. Weyhrauch | 2007-05-29 |
| 7224151 | Fixed phase power controller with analog trigger | Ernest C. Weyhrauch | 2007-05-29 |
| 7218054 | Lamp having fixed phase power controller with analog trigger | Ernest C. Weyhrauch | 2007-05-15 |
| 7211964 | Lamp including phase-control power controller with digital RMS load voltage regulation | George B. Kendrick | 2007-05-01 |
| 7199532 | Lamp containing phase-control power controller with analog RMS load voltage regulation | George B. Kendrick | 2007-04-03 |
| 7196480 | Method of soft-starting a switching power supply containing phase-control clipping circuit | Ernest C. Weyhrauch, George B. Kendrick | 2007-03-27 |
| 7170236 | Method of setting desired RMS load voltage in a lamp | Ernest C. Weyhrauch, George B. Kendrick | 2007-01-30 |
| 7170231 | Lamp that sets desired RMS load voltage with variable pulse width modulation | Ernest C. Weyhrauch, George B. Kendrick | 2007-01-30 |
| 7166964 | Lamp containing pulse width modulated voltage conversion circuit | Ernest C. Weyhrauch, George B. Kendrick | 2007-01-23 |