Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407860 | Reciprocating hammer with downward thrust assist | Brian Widenhoefer, James J. Connerley | 2019-09-10 |
| 9279228 | Pull-out resistant piles | — | 2016-03-08 |
| 8622656 | Apparatus, systems and methods for the relocation of subsurface conduit | Robert W. Wegener, Mark Curtis Tingley, David Zarembski | 2014-01-07 |
| 8342778 | Method and apparatus for facilitating the subterranean support of underground conduits having a fixed insertion axis | Mark Gustin | 2013-01-01 |
| 8303217 | Systems for the subterranean support of underground conduits | Robert J. Wegener | 2012-11-06 |
| 8096733 | Apparatus for inserting sheet pile having an independently adjustable insertion axis and method for using the same | Mark Gustin | 2012-01-17 |
| 8061934 | Method and installation for the subterranean support of underground conduits | Robert J. Wegener | 2011-11-22 |
| 8016518 | Sheet pile for the subterranean support of underground conduits | Robert J. Wegener | 2011-09-13 |
| 7771140 | Methods for the subterranean support of underground conduits | Robert J. Wegener | 2010-08-10 |
| 7387173 | Pile driver | Mark Gustin | 2008-06-17 |
| 4634311 | Pavement breaking apparatus | Orrin H. Jinnings | 1987-01-06 |