Inventor · disambiguated record
Henrikus J. H. Pragt
Also filed as: PRAGT HENRIKUS J H
6 granted patents·79 citations·filing 1989–1996
84Inventor score
Technology areasH01J
Top patents by PatentIndex Score
6 records- 0171US5471110AHigh pressure discharge lamp having filament electrodesPHILIPS ELECTRONICS NA·Filed 1993·Granted Nov 28, 1995·26 cites·34 claims
- 0261US5532543AHigh density discharge lamp with pinched-on containment shieldPHILIPS ELECTRONICS NA·Filed 1993·Granted Jul 2, 1996·16 cites·22 claims
- 0354US5008592AHalogen incandescent lamp and method of manufacturing a halogen incandescent lampPHILIPS CORP·Filed 1989·Granted Apr 16, 1991·9 cites·5 claims
- 0452US5729078AElectric lamp with containment sleeve having a helically coiled metal wirePHILIPS CORP·Filed 1996·Granted Mar 17, 1998·11 cites·10 claims
- 0548US5406165AHigh pressure discharge lamp having a containment sleeve fused to the exhaust tubePHILIPS CORP·Filed 1992·Granted Apr 11, 1995·9 cites·4 claims
- 0646US5402033AHigh pressure discharge lamp having clamped-on containment sleevePHILIPS ELECTRONICS NA·Filed 1993·Granted Mar 28, 1995·8 cites·18 claims
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