P

Inventor

SCHMITT HARALD

DE51 patents
⚠️ This page may combine multiple inventors who share the name “SCHMITT HARALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH

14 patents
US5925984AJul 20, 1999

Circuit arrangement having LC parallel tuned drive circuitry

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH40 citations91
US7061781B2Jun 13, 2006

Circuit arrangement for operating light sources

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH11 citations84
US6650514B2Nov 18, 2003

Protection circuit for a fluorescent lamp

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH19 citations84
US6246173B1Jun 12, 2001

Free-running oscillator circuit with simple starting circuit

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH17 citations84
US5610479AMar 11, 1997

Circuit arrangement for operating low-pressure discharge lamps

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH9 citations74
US6806657B2Oct 19, 2004

Device for operating discharge lamps

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH6 citations63
US6710552B2Mar 23, 2004

Circuit arrangement for operating discharge lamps

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH5 citations63
US6566822B2May 20, 2003

Electronic circuits for detecting filament breakage in gas discharge lamps

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH4 citations62
US7309963B2Dec 18, 2007

Smoothing circuit for improving EMC

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH2 citations61
US7034465B2Apr 25, 2006

Device for operating discharge lamps by means of a transformer with four windings, and a corresponding method

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH3 citations61
US6873122B2Mar 29, 2005

Apparatus for operating discharge lamps

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH0 citations52
US7327094B2Feb 5, 2008

Circuit arrangement and method for operating at least one electric lamp

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH0 citations50
US7053563B2May 30, 2006

Circuit arrangement for operating light sources

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH1 citations47
US7301292B2Nov 27, 2007

Circuit arrangement for operating at least one first and one second lamp which can be inserted in said circuit arrangement

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH0 citations42

SCHMITT HARALD

8 patents

OSRAM GMBH

5 patents

INTERVET INC

4 patents

4SC AG

3 patents

KLATT AXEL

2 patents

WHITAKER CORP

2 patents

SCHWARTZ SIMON

2 patents

DEUTSCHE TELEKOM AG

2 patents

DEERE & CO

1 patent

AKZO NOBEL NV

1 patent

AKZO NV

1 patent

BUSSE OLAF

1 patent

FRIATEC AG

1 patent

T MOBILE DEUTSCHLAND GMBH

1 patent

BRAY JEREMY

1 patent

HIERL WOLFGANG

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.