Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11796225 | Geoexchange systems including ground source heat exchangers and related methods | — | 2023-10-24 |
| 10385531 | Split flight pile systems and methods | — | 2019-08-20 |
| 9957684 | Systems and methods for installing pile structures in permafrost | Matthew E. Fenwick | 2018-05-01 |
| 9856619 | Apparatus and methods for soil penetration and facilitating delivery of fluids | — | 2018-01-02 |
| 9650753 | Apparatus and methods for the placement of pipe piling | — | 2017-05-16 |
| 9637883 | Apparatus and methods for the placement of pipe piling | — | 2017-05-02 |
| 9611610 | Apparatus and methods for the placement of pipe piling | — | 2017-04-04 |
| 9611611 | Grout plug assembly to facilitate grouting during pipe piling placement | Joseph M. Klekotka, Gerald Cors | 2017-04-04 |
| 9598833 | Apparatus and methods for pipe piling placement with continuous grouting | — | 2017-03-21 |
| 9416512 | Apparatus and methods for the placement of pipe piling | — | 2016-08-16 |
| 9388548 | Apparatus and methods for pipe piling placement | — | 2016-07-12 |
| 9371624 | Accessory connection systems and methods for use with helical piledriving systems | Dan Miller | 2016-06-21 |
| 7950876 | Socket wrench attachment for rotary drive member | — | 2011-05-31 |
| 6942430 | Rotary driver for pipe piling | — | 2005-09-13 |
| 6386295 | Vibratory driver for pipe piling | — | 2002-05-14 |