Description
INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION (arrangements thereof F21V 36/00; burners F23D)
F21H
Technology
Sub-Class
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- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 20 Total Patent Owners
- 67 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Incandescent mantles; Selection of imbibition liquids therefor |
| 1/02 | Incandescent mantles; Selection of imbibition liquids therefor characterised by the material thereof |
| 3/00 | Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing |
| 5/00 | Solid incandescent bodies (incandescent mantles F21H 1/00) |
| 7/00 | Other incandescent bodies |
Recent Patents
Not AvailableRecent Publications
Not AvailableTop Owners in This Class
Top Owners in This Subclass
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Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 43 Months (last 2 years Issuances)
- 43 Months (last 5 years Issuances)
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