Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of making a vacuum-tight seal between a ceramic and a metal part, sealed structure, and discharge lamp having the seal

Method of making a vacuum-tight seal between a ceramic and a metal part, sealed structure, and discharge lamp having the seal

US Patent 5552670 · Granted Sep 3, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lighting device having a socket and bulb fitting2013
High pressure discharge lamp2013
High pressure discharge lamp2013
Ceramic discharge vessel having an opaque zone and method of making same2012
High pressure discharge lamp2012
High pressure discharge lamp2012
Ceramic discharge vessel having an opaque zone and method of making same2011
Metal halide lamp with aluminum gradated stacked plugs2001
Metal halide or sodium high pressure lamp with cermet of alumina, molybdenum and2001
Metal-halide lamp with specific lead through structure2000
Metal-halide lamp with specific lead through structure2000
Lamp with radially graded cermet feedthrough assembly2000