Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Filament alignment spud for incandescent lamps

Filament alignment spud for incandescent lamps

US Patent 4942331 · Granted Jul 17, 1990

Estimated economic value: $10,891,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Riveting machine2023
Reflector lamp having a reflecting section with faceted surfaces2003
Radio frequency magnetron sputtering for lighting applications2002
Reflector lamp having a reflecting section with faceted surfaces2001
Thermal processor for semiconductor wafers2000
Patterned optical interference coatings for electric lamps1997
Electric lamp with ellipsoidal shroud1997
Patterned optical interference coatings for only a portion of a high intensity l1996
Filament support for incandescent lamps1995
DC operated sodium vapor lamp1994
Xenon-metal halide lamp particularly suited for automotive applications1993
Parallel shaft drive and indexing machine1993