Inventor · Herbrechtingen, DE

Hermann Steiner

15Patents
8h-index
9Co-inventors
61Inventor score

Filing activity: Jun 30, 1982 → Feb 26, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5957569A Electric lamp with cement-free base and metal/plastic reflector-type socket with spring Electricity 31 Expired
US4412273A Halogen incandescent lamp with part metal, part plastic socket, particularly for automotive headlights Mechanical Engineering; Lighting; Heating 21 Expired
US4950942A Cementless lamp bulb and base combination Electricity 15 Expired
US6031323A Electric lamp with mechanical connection Electricity 15 Expired
US4751421A Lamp with cement-free base structure Electricity 13 Expired
US4492893A Dual filament halogen cycle automotive-type incandescent lamp Electricity 13 Expired
US6005336A Electric vehicle lamp with inserted insulation plug Electricity 9 Expired
US5339002A Electric lamp and optically alignable cementless base combination Electricity 8 Expired
US5818154A Halogen incandescent lamp in cementless base Electricity 6 Expired
US4595859A Halogen incandescent lamp and socket combination, particularly for direct assembly into a fixture with bayonet lock Electricity 6 Expired
US6008570A Compact low-pressure discharge lamp with conductive spring element Electricity 6 Expired
US5153480A Vibration, shock and heat-resistant lamp-base combination structure Mechanical Engineering; Lighting; Heating 4 Expired
US5495138A Single-based electric lamp base structure with connecting lead strain relief Electricity 4 Expired
US6095866A Electric lamp Electricity 4 Expired
US6265824A Miniature filament lamp having planar contact surfaces arranged on the plane bottom surface of the base Electricity 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.