Description
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
E21F
Technology
Sub-Class
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- 5 193 US PATENTS IN FORCE
- 57 US APPLICATIONS PENDING
- 373 Total Patent Owners
- 836 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Ventilation of mines or tunnels; Distribution of ventilating currents (ventilating rooms or spaces in general F24F) |
| 1/02 | Ventilation of mines or tunnels; Distribution of ventilating currents (ventilating rooms or spaces in general F24F) Test models (analogue computers therefor G06G 7/5) |
| 1/04 | Ventilation of mines or tunnels; Distribution of ventilating currents (ventilating rooms or spaces in general F24F) Air ducts (suspension devices E21F 17/02) |
| 1/06 | Ventilation of mines or tunnels; Distribution of ventilating currents (ventilating rooms or spaces in general F24F) Air ducts (suspension devices E21F 17/02) Duct connections (tube connections in general F16L) |
| 1/08 | Ventilation of mines or tunnels; Distribution of ventilating currents (ventilating rooms or spaces in general F24F) Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators (ventilators per seF04D) |
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9,115,582 | Stope fill barrier | Jul 19, 13 | Aug 25, 15 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0241,329 | METHOD OF ASSESSING DUST CONTROLS IN MINING | Feb 09, 12 | Aug 27, 15 | Not available |
| 2015/0232,280 | Roof Mountable Support System | Sep 13, 13 | Aug 20, 15 | BULK SOLUTIONS PTY LTD |
| 2015/0233,245 | AUTOMATIC WATERING OF WORKSITE | May 06, 15 | Aug 20, 15 | CATERPILLAR INC. |
| 2015/0225,173 | TUNNELED GAS STORAGE | Jul 17, 13 | Aug 13, 15 |
Top Owners in This Class
Top Owners in This Subclass
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
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)
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