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GTE SYLVANIA INC

Overview
  • Total Patents
    2,401
About

GTE SYLVANIA INC has a total of 2,401 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets electrical machinery and energy, machines and optics are GTE PROD CORP, SYLVANIA ELECTRIC PROD and PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH.

Patent filings per year

Chart showing GTE SYLVANIA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shaffer John W 73
#2 Audesse Emery G 39
#3 Armstrong Donald E 33
#4 Levin Robert E 30
#5 Kerstetter Donald R 26
#6 Bouchard Andre C 24
#7 Fohl Timothy 23
#8 Buescher William E 23
#9 Hough Harold L 22
#10 Say Donald L 21

Latest patents

Publication Filing date Title
EP0222928A1 Low pressure arc discharge light source unit
DE3525888C1 Fluorescent lamp for unipolar operation
EP0150233A1 Method of determining the break-through of a UV tube and device for carrying out the method
EP0150234A1 Process for monitoring ultraviolet sources, and arrangement for carrying out the process
CA1142215A Mercury arc discharge lamp with altered isotopic distribution of mercury
CA1142216A Mercury arc discharge lamp with altered isotopic distribution of mercury
US4393505A Gas discharge laser having a buffer gas of neon
CA1144743A Ce-doped yttrium aluminum garnet and devices incorporating same
CA1144265A High contrast display device having a dark layer
BE879984R Ceramic-based heat recovery assembly and structure
BE879923A Headlight equipped with an armored lamp
DE2944829A1 ARCH DISCHARGE DEVICE
GB2042830A Ballast circuit for discharge lamp
JPS5559647A Metallic halide arc discharge lamp
DE2942371A1 MOTOR VEHICLE HEADLIGHT
US4340910A CRT Spot suppression circuit
DE2936641A1 CRT funnel provided with external resistor - reducing fluorescence time after switch off
DE2935760A1 Implosion resistant CRT - has single metal band tensioned over adhesive on front edge of tube
CA1121332A Ceramic heat recuperative structure and assembly
DE2928980A1 METHOD FOR FORMING A METAL OXIDE FILM ON GLASS TUBES