Denver; Erik
Patent Applications and Registrations
Patent applications and USPTO patent grants for Denver; Erik.The latest application filed is for "pumpable mine ventilation structure".
- Denver; Erik - Keen Mountain VA
| Patent | Date |
|---|---|
| Pumpable Mine Ventilation Structure App 20180195391 - Bower; Joseph P. ; et al. | 2018-07-12 |
| Pumpable mine ventilation structure Grant 10,001,009 - Bower , et al. June 19, 2 | 2018-06-19 |
| Highwall Mining Equipment Retrieval And Extraction Apparatus App 20170198581 - Denver; Erik ; et al. | 2017-07-13 |
| Retainment wall for underground mine and method of construction Grant 9,617,705 - Breedlove , et al. April 11, 2 | 2017-04-11 |
| Retainment Wall For Underground Mine And Method Of Construction App 20160333543 - Breedlove; John J. ; et al. | 2016-11-17 |
| Pumpable Mine Ventilation Structure App 20160245082 - Bower; Joseph P. ; et al. | 2016-08-25 |
| Pumpable mine ventilation structure Grant 9,022,689 - Bower , et al. May 5, 2 | 2015-05-05 |
| Pumpable Mine Ventilation Structure App 20140314490 - Bower; Joseph P. ; et al. | 2014-10-23 |
| Impact Resistant Cambered Lagging Element App 20130051931 - Denver; Erik ; et al. | 2013-02-28 |
| Apparatus and method for supporting a mine rib Grant 8,371,658 - Breedlove , et al. February 12, 2 | 2013-02-12 |
| Yieldable cambered arch support assembly App 20120282041 - Breedlove; John J. ; et al. | 2012-11-08 |
| Apparatus and method for supporting a mine rib App 20110052334 - Breedlove; John J. ; et al. | 2011-03-03 |
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