Class F21K : LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
Subclass 5/00: Light sources using charges of combustible material, e.g. illuminating flash devices (explosive or thermic compositions C06B; fireworks F42B 4/00; photographic flash units G03B 15/03)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10989388 | Lighting device having a 3D printed biconvex cylindrical lens array | Oct 27, 16 | Apr 27, 21 | SIGNIFY HOLDING B.V. |
| 9726329 | Light source apparatus | Apr 21, 14 | Aug 08, 17 | NICHIA CORPORATION |
| 6140658 | Combustion heated honeycomb mantle infrared radiation | Feb 16, 73 | Oct 31, 00 | LOCKHEED MARTIN CORPORATION, LOCKHEED SANDERS, INC., |
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