Description
Class F23K : FEEDING FUEL TO COMBUSTION APPARATUS
Subclass 3/06: Feeding or distributing of lump or pulverulent fuel to combustion apparatus (conveying in general B65G) for shaft-type furnaces
F23K 3/06
Sub-Class
Stats
- 2 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 3 Total Patent Owners
- 13 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 8932050 | Supply means of a rotating furnace used for calcination of oil green coke | Sep 16, 10 | Jan 13, 15 | PETROCOOUE S/A INDUSTRIA E COMERCIO |
| 8777539 | Lower sealing valve unit for a blast furnace top charging system | Jan 13, 10 | Jul 15, 14 | PAUL WURTH S.A. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2017/0016,619 | START-UP TORCH | Sep 28, 16 | Jan 19, 17 | ALTER NRG CORP. |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)