Jack Kennedy Metal Products & Buildings, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jack Kennedy Metal Products & Buildings, Inc..The latest application filed is for "jack for installing mine stopping".
- Jack Kennedy Metal Products & Buildings, Inc. - Taylorville IL US
- Jack Kennedy Metal Products & Buildings, Inc. -
| Patent | Date |
|---|---|
| Jack for installing mine stopping Grant 11,408,285 - Kennedy , et al. August 9, 2 | 2022-08-09 |
| Jack For Installing Mine Stopping App 20210199008 - Kennedy; William R. ; et al. | 2021-07-01 |
| Mine stopping and components thereof Grant 10,801,323 - Kennedy , et al. October 13, 2 | 2020-10-13 |
| Mine Stopping And Components Thereof App 20190301284 - Kennedy; William R. ; et al. | 2019-10-03 |
| Mine stopping panel and method of manufacture Grant 10,378,355 - Kennedy , et al. A | 2019-08-13 |
| Mine door Grant 10,316,663 - Kennedy , et al. | 2019-06-11 |
| Mine stopping panel and method of sealing a mine stopping Grant 10,287,884 - Kennedy , et al. | 2019-05-14 |
| Articulated mine door opening mechanism Grant 10,184,286 - Kennedy , et al. Ja | 2019-01-22 |
| Mine stopping panel with end caps and louver connections Grant 10,151,203 - Kennedy , et al. Dec | 2018-12-11 |
| Mine Stopping Panel and Method of Sealing a Mine Stopping App 20180080323 - Kennedy; William R. ; et al. | 2018-03-22 |
| Articulated Mine Door Opening Mechanism App 20170130506 - Kennedy; William R. ; et al. | 2017-05-11 |
| Mine Door App 20170107817 - Kennedy; William R. ; et al. | 2017-04-20 |
| Mine Stopping Panel With End Caps And Louver Connections App 20160281503 - Kennedy; William R. ; et al. | 2016-09-29 |
| Mine stopping panel with end caps and louver connections Grant 9,447,684 - Kennedy , et al. September 20, 2 | 2016-09-20 |
| Mine ventilation structure and a deck panel for such a structure Grant 9,447,685 - Kennedy , et al. September 20, 2 | 2016-09-20 |
| Method of opening a mine door leaf Grant 9,341,061 - Kennedy , et al. May 17, 2 | 2016-05-17 |
| Mine Ventilation Structure And A Deck Panel For Such A Structure App 20150315911 - Kennedy; William R. ; et al. | 2015-11-05 |
| Mine Stopping Panel And Method Of Manufacture App 20150260041 - Kennedy; William R. ; et al. | 2015-09-17 |
| Mine ventilation Grant 7,232,368 - Kennedy , et al. June 19, 2 | 2007-06-19 |
| Mine stopping and braces therefor Grant 6,846,132 - Kennedy , et al. January 25, 2 | 2005-01-25 |
| Pneumatically-powered mine door installation with hydraulic checking system App 20040261319 - Kennedy, William R. ; et al. | 2004-12-30 |
| Permanent stopping form and method of installing same App 20040175238 - Kennedy, William R. ; et al. | 2004-09-09 |
| Mine ventilation App 20040067730 - Kennedy, William R. ; et al. | 2004-04-08 |
| Method of supporting mine walls and installing a mine stopping Grant 6,715,961 - Kennedy , et al. April 6, 2 | 2004-04-06 |
| Multiple tier stopping and method of constructing stopping Grant 6,682,263 - Kennedy , et al. January 27, 2 | 2004-01-27 |
| Mine ventilation structure and deck panels therefor Grant 6,669,551 - Kennedy , et al. December 30, 2 | 2003-12-30 |
| Mine stopping and braces therefor App 20030147706 - Kennedy, William R. ; et al. | 2003-08-07 |
| Multiple tier stopping and method of constructing stopping App 20030143942 - Kennedy, William R. ; et al. | 2003-07-31 |
| Mine Door Installation App 20030126798 - Kennedy, William R. ; et al. | 2003-07-10 |
| Mine ventilation structure and deck panels therefor App 20030129937 - Kennedy, William R. ; et al. | 2003-07-10 |
| Mine stopping App 20030082010 - Kennedy, William R. ; et al. | 2003-05-01 |
| Mine stopping, permanent stopping form and method of installing same App 20030017005 - Kennedy, William R. ; et al. | 2003-01-23 |
| Mine stopping Grant 6,457,906 - Kennedy , et al. October 1, 2 | 2002-10-01 |
| Method of supporting mine walls and installing a mine stopping App 20020098046 - Kennedy, William R. ; et al. | 2002-07-25 |
| Method of sealing off a mine passageway Grant 6,419,324 - Kennedy , et al. July 16, 2 | 2002-07-16 |
| Yieldable mine roof support Grant 6,394,707 - Kennedy , et al. May 28, 2 | 2002-05-28 |
| Mine stopping, method of constructing same and panels thereof Grant 6,220,785 - Kennedy , et al. April 24, 2 | 2001-04-24 |
| Serial sequencers connected in parallel Grant 5,812,741 - Kennedy , et al. September 22, 1 | 1998-09-22 |
| Mine ventilation structure Grant 5,466,187 - Kennedy , et al. November 14, 1 | 1995-11-14 |
| Power mine door system Grant 5,240,349 - Kennedy , et al. August 31, 1 | 1993-08-31 |
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