Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9334999 | Lubrication system for pipe bursting | — | 2016-05-10 |
| 9261220 | Winch boom and method for trench less replacement | — | 2016-02-16 |
| 9103483 | Jointed pipe splitter with pneumatic hammer | — | 2015-08-11 |
| 8998538 | Pipe replacement system | — | 2015-04-07 |
| 8919736 | Pulling device and method therefor | — | 2014-12-30 |
| 8899878 | Portable winch | — | 2014-12-02 |
| 8784009 | Method and device for holding and releasing a cable in a pipe splitter | — | 2014-07-22 |
| 8720038 | Method and device to remove pipe | — | 2014-05-13 |
| 8721223 | Pipe splitting apparatus with cable engagement system | — | 2014-05-13 |
| 8596918 | Pipe splitting apparatus with replaceable blade | — | 2013-12-03 |
| 8561721 | Drill head connection | — | 2013-10-22 |
| 8474795 | Pulling device and method therefor | — | 2013-07-02 |
| 8459614 | Dual capstan puller and method | — | 2013-06-11 |
| 8414225 | Method and device for holding and releasing a cable in a pipe splitter | — | 2013-04-09 |
| 8328468 | Pipe splitting apparatus with replaceable blade | — | 2012-12-11 |
| 8317427 | Portable winch | — | 2012-11-27 |
| 8297882 | Device and method to split pipe near utilities | — | 2012-10-30 |
| 8292545 | Small diameter splitter and method | — | 2012-10-23 |
| 8191638 | Drill stem connection and method | — | 2012-06-05 |
| 8109694 | Replacement of underground pipes | — | 2012-02-07 |
| 8083213 | Portable winch | — | 2011-12-27 |
| 8061001 | Method and device to remove pipe | — | 2011-11-22 |
| 7963504 | Dual capstan puller and method | — | 2011-06-21 |
| 7874370 | Drill stem connection and method | — | 2011-01-25 |
| 7770869 | Portable winch | — | 2010-08-10 |