EW

Ernest C. Weyhrauch

OS Osram Sylvania: 21 patents #20 of 820Top 3%
FW Federal-Mogul Worldwide: 3 patents #72 of 317Top 25%
📍 Cookeville, TN: #11 of 316 inventorsTop 4%
🗺 Tennessee: #443 of 20,272 inventorsTop 3%
Overall (All Time): #147,048 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
8961333 Golf club with high friction striking surface Matthew B. Ballenger, Roger Steven Cannon, George B. Kendrick 2015-02-24
7527396 Illumination device with thermally isolated integral power supply Matthew B. Ballenger, George B. Kendrick, John Cooper 2009-05-05
7492079 Tungsten halogen lamp having internal power supply including temperature relief Matthew B. Ballenger, George B. Kendrick 2009-02-17
7462996 Method of operating a lamp with a power controller having current limited RMS regulated output Matthew B. Ballenger, 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, Matthew B. Ballenger 2008-12-02
7375475 Lamp containing power controller having current limited RMS regulated output Matthew B. Ballenger, George B. Kendrick, Brent J. Eastwood 2008-05-20
7358689 Phase-control power controller for converting a line voltage to a RMS load voltage Matthew B. Ballenger, George B. Kendrick 2008-04-15
7352134 Lamp containing fixed reverse phase switching power supply with time-based phase pulse triggering control Matthew B. Ballenger 2008-04-01
7342359 Forward/reverse hybrid switching power supply with time-based pulse triggering control George B. Kendrick, Matthew B. Ballenger 2008-03-11
7301291 Power controller having current limited RMS regulated output Matthew B. Ballenger, George B. Kendrick, Brent J. Eastwood 2007-11-27
7291984 Method of reducing RMS load voltage in a lamp using pulse width modulation Matthew B. Ballenger 2007-11-06
7274149 Lamp with integral pulse width modulated voltage control circuit Matthew B. Ballenger 2007-09-25
7274148 Lamp having fixed forward phase switching power supply with time-based triggering Matthew B. Ballenger 2007-09-25
7224130 Method of operating a lamp containing a fixed phase power controller Matthew B. Ballenger 2007-05-29
7224151 Fixed phase power controller with analog trigger Matthew B. Ballenger 2007-05-29
7218054 Lamp having fixed phase power controller with analog trigger Matthew B. Ballenger 2007-05-15
7196480 Method of soft-starting a switching power supply containing phase-control clipping circuit George B. Kendrick, Matthew B. Ballenger 2007-03-27
7170231 Lamp that sets desired RMS load voltage with variable pulse width modulation Matthew B. Ballenger, George B. Kendrick 2007-01-30
7170236 Method of setting desired RMS load voltage in a lamp Matthew B. Ballenger, George B. Kendrick 2007-01-30
7166964 Lamp containing pulse width modulated voltage conversion circuit Matthew B. Ballenger, George B. Kendrick 2007-01-23
7116062 Method of soft-starting a switching power supply including pulse width modulation circuit George B. Kendrick, Matthew B. Ballenger 2006-10-03
7053562 Lamp containing soft-start power supply George B. Kendrick, Matthew B. Ballenger 2006-05-30
7049758 Method of soft-starting a switching power supply having time-based pulse triggering control George B. Kendrick, Matthew B. Ballenger 2006-05-23
7049750 Lamp having integral voltage controller Matthew B. Ballenger, George B. Kendrick 2006-05-23
6966811 Method of fabricating an incandescent halogen lamp having flattened filament support leads 2005-11-22