Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329105 | Wheel chock systems | Daryl Day | 2019-06-25 |
| 9751702 | Wheel chock systems | Daryl Day | 2017-09-05 |
| 9726192 | Fan blades and associated blade tips | L. Blake Whitley | 2017-08-08 |
| 8842000 | Fire control systems | Daryl Day, Brett A. Walford | 2014-09-23 |
| 8407842 | Dock levelers and associated systems and methods | Michael John Story, Jeff Limbaugh | 2013-04-02 |
| 7996943 | Shimless frame support method and apparatus for dock levelers | William Henry Wallis, L. Blake Whitley | 2011-08-16 |
| 7926140 | Shimless frame support method and apparatus for dock levelers | L. Blake Whitley | 2011-04-19 |
| 7657957 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2010-02-09 |
| 7409739 | Dock leveler support frame and method of installation | L. Blake Whitley, James C. Alexander, David Saliger, Keith F. Moore | 2008-08-12 |
| 7353558 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2008-04-08 |
| 7225493 | Support leg system and method for supporting a dock leveler | James C. Alexander, Douglas H. Massey, Michael M. Meichtry | 2007-06-05 |
| 7216392 | Support leg system and method for supporting a dock leveler | David Saliger | 2007-05-15 |
| 7213286 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2007-05-08 |
| RE39504 | Counterbalance system for upward acting door | John E. Scates, Leroy G. Krupke, D. Scott Boucher | 2007-03-13 |
| 7162761 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2007-01-16 |
| 7131160 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2006-11-07 |
| 7100233 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2006-09-05 |
| 7062813 | Support leg system and method for supporting a dock leveler | James C. Alexander, Douglas H. Massey, Michael M. Meichtry | 2006-06-20 |
| 7047584 | Support leg system and method for supporting a dock leveler | David Saliger | 2006-05-23 |
| 7043790 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2006-05-16 |
| 7017220 | Spring counterbalance method and apparatus for variably biasing a dock leveler | James C. Alexander | 2006-03-28 |
| 6951041 | Vertically-storing dock leveler apparatus and method | James C. Alexander | 2005-10-04 |
| 6931686 | Support leg system and method for supporting a dock leveler | James C. Alexander, Douglas H. Massey | 2005-08-23 |
| 6745814 | Guide track assemblies and mounting brackets for upward acting doors | Celestino Duran, David M. Wells | 2004-06-08 |
| 6578235 | Universal inside-outside door handle | Michele Rene Womack, Leroy G. Krupke, Thomas S. Skinner | 2003-06-17 |