El-Hamamsy; Sayed-Amr A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for El-Hamamsy; Sayed-Amr A..The latest application filed is for "method for measuring the impedance of an electrodeless arc discharge lamp".

Company Profile

0.14.0

El-Hamamsy; Sayed-Amr A. - Schenectady NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for measuring the impedance of an electrodeless arc discharge lamp Grant 5,332,970 - El-Hamamsy , et al. July 26, 1	1994-07-26
Electrodeless fluorescent lamp shield for reduction of electromagnetic interference and dielectric losses Grant 5,325,018 - El-Hamamsy June 28, 1	1994-06-28
Low-inductance package for multiple paralleled devices operating at high frequency Grant 5,170,337 - Borowiec , et al. December 8, 1	1992-12-08
Electrodeless high intensity discharge lamp excitation coil and ballast configuration for maximum efficiency Grant 5,153,484 - El-Hamamsy October 6, 1	1992-10-06
Efficient power supply post regulation Grant 5,119,284 - Fisher , et al. June 2, 1	1992-06-02
Dual feedback control for a high-efficiency class-d power amplifier circuit Grant 5,118,997 - El-Hamamsy June 2, 1	1992-06-02
Starting circuit for an electrodeless high intensity discharge lamp Grant 5,118,996 - El-Hamamsy , et al. June 2, 1	1992-06-02
Shielded starting coil for an electrodeless high intensity discharge lamp Grant 5,107,185 - El-Hamamsy , et al. April 21, 1	1992-04-21
Inductor shunt, output voltage regulation system for a power supply Grant 5,075,839 - Fisher , et al. December 24, 1	1991-12-24
Feedback control system for a high-efficiency class-D power amplifier circuit Grant 5,063,332 - El-Hamamsy , et al. November 5, 1	1991-11-05
Starting circuit for an electrodeless high intensity discharge lamp Grant 5,059,868 - El-Hamamsy , et al. October 22, 1	1991-10-22
Half bridge device package, packaged devices and circuits Grant 5,043,859 - Korman , et al. August 27, 1	1991-08-27
Lamp ballast configuration Grant 5,030,889 - El-Hamamsy , et al. July 9, 1	1991-07-09
Driver for a high efficiency, high frequency Class-D power amplifier Grant 5,023,566 - El-Hamamsy , et al. June 11, 1	1991-06-11

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