Learn more

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH

Overview
  • Total Patents
    9,075
About

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH has a total of 9,075 patent applications. Its first patent ever was published in 1913. It filed its patents most often in Germany, United States and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, environmental technology and machines are ETS CLAUDE PAZ & SILVA, SIEMENS ELECTRIC LAMPS & SUPPL and LAMPES SA.

Patent filings per year

Chart showing PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Helbig Peter 261
#2 Vollkommer Frank 247
#3 Hitzschke Lothar 234
#4 Huber Andreas 215
#5 Patent-Treuhand-Gesellschaft F 209
#6 Lecheler Reinhard 145
#7 Behr Gerhard 137
#8 Rudolph Bernd 114
#9 Zachau Martin 111
#10 Heckmann Markus 98

Latest patents

Publication Filing date Title
EP1975975A1 Construction unit for an electrical light with external pistons
DE102007054630A1 Illumination device, has electrically insulating layer arranged between main surface of connection carrier and mounting surface, and fastening unit connected with optical unit, which optically influences light produced by LED
WO2008043687A1 Lamp module for projectors
WO2008043680A1 Projection apparatus with filter
CN101336035A Detection method of step light regulating selection
WO2007147725A1 Method for detecting the cutting off signal of bjt in an electronic ballast and the electronic ballast
US2007297171A1 Color-tunable illumination system for imaging illumination
DE102007017338A1 Ignition transformer for a discharge lamp
WO2007118834A1 Ballast for an electric lamp
WO2008119375A1 Discharge lamp, particularly high-pressure discharge lamp
WO2008025574A1 Light module having at least one light source and a reflector
WO2008116496A1 Operating device and lighting system for low-pressure discharge lamps having temperature-dependant power return control
WO2008116493A1 Filament lamp with a coiled filament with encased end
CN101272654A Driving and regulating method and device for bipolar transistor in electric ballast
TW200802505A Light device with dielectric barrier discharge lamp, operating equipment and connection cable
GB0705134D0 High-pressure discharge lamp
WO2007110319A2 Electric lamp with a radiation protection clip
WO2008107016A1 Lighting device and method for the optical feedback of an acoustic influence
WO2008104228A1 Circuit arrangement and method for controlling semiconductor light sources
WO2008104229A1 Arrangement and method for backlighting a display device