Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385215 | Hydro excavation vacuum apparatus and fluid storage and supply systems thereof | Andy Strobel, Corey Lanoue, Tayte Askelsen | 2025-08-12 |
| 12276080 | Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site | Andy Strobel, Corey Lanoue, Daniel Hofland, Adam James Bates, David Gift +2 more | 2025-04-15 |
| 12208539 | Mixing systems and methods including disk assemblies | Andy Strobel, Nathan Meyer, Thor Anderson, Conner Converse | 2025-01-28 |
| 12077936 | Hydro excavation vacuum apparatus | Andy Strobel, Corey Lanoue, Daniel Hofland, Adam James Bates, David Gift +2 more | 2024-09-03 |
| 11905677 | Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site | Andy Strobel, Corey Lanoue, Daniel Hofland, Adam James Bates, David Gift +2 more | 2024-02-20 |
| 11890782 | Mixing systems having disk assemblies | Andy Strobel, Nathan Meyer, Thor Anderson, Conner Converse | 2024-02-06 |
| 11560689 | Hydro excavation vacuum apparatus having an adjustment system for adjusting a dewatering system screen | Andy Strobel, Corey Lanoue, Daniel Hofland, Adam James Bates, David Gift +2 more | 2023-01-24 |
| 11499290 | Hydro excavation vacuum apparatus having deceleration vessels and methods for hydro excavating a site | Andy Strobel, Corey Lanoue, Daniel Hofland, Adam James Bates, David Gift +2 more | 2022-11-15 |
| 11085171 | Hydro excavation vacuum apparatus and fluid storage and supply systems thereof | Andy Strobel, Corey Lanoue, Tayte Askelsen | 2021-08-10 |
| 10563805 | Expandable sealing mechanism | Graham E. Blackwood, Katherine A. Bergfeld, Michael R. Miller, John R. Kaczmarczyk | 2020-02-18 |
| 10428512 | Manhole base assembly with internal liner and method of manufacturing same | Jimmy D. Gamble, Robert R. Slocum, John D. Kaczmarczyk, John M. Kurdziel | 2019-10-01 |
| 10214893 | Manhole base assembly with internal liner and method of manufacturing same | Jimmy D. Gamble, Robert R. Slocum, John M. Kaczmarczyk, John M. Kurdziel | 2019-02-26 |
| 10053850 | Manhole base assembly with internal liner and method of manufacturing same | Jimmy D. Gamble, Robert R. Slocum, John M. Kaczmarczyk | 2018-08-21 |
| D814285 | Expandable sealing mechanism | Graham E. Blackwood, Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk | 2018-04-03 |
| D813661 | Expandable sealing mechanism | Graham E. Blackwood, Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk | 2018-03-27 |
| 9644768 | Expandable sealing mechanism | Graham E. Blackwood, Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk | 2017-05-09 |
| 9617722 | Manhole base assembly with internal liner and method of manufacturing same | Jimmy D. Gamble, Robert R. Slocum, John M. Kaczmarczyk | 2017-04-11 |
| D752968 | Expandable sealing mechanism | Graham E. Blackwood, Katherine A. Bergfeld, Michael R. Miller, John M. Kaczmarczyk | 2016-04-05 |
| 8480093 | Internal pipe seal | Ronald W. Neuhaus | 2013-07-09 |
| 7827665 | Gasket and mandrel assembly for pipe joints | Andrew J. Happel, Timothy A. Andrews, Michael R. Miller | 2010-11-09 |
| 7146689 | Expansion ring assembly | Ronald W. Neuhaus | 2006-12-12 |
| 7028972 | Gasket and mandrel assembly for pipe joints | Michael R. Miller | 2006-04-18 |
| 6805359 | Expansion ring assembly | Ronald W. Neuhaus, Michael R. Miller | 2004-10-19 |
| 6676136 | Flexible waterstop ring | Michael R. Miller | 2004-01-13 |
| 6572118 | Flexible seal member for non-metallic conduit to concrete manhole junction | Fouad M. Deeb, Michael R. Miller, John M. Kurdziel, Ronald W. Neuhaus | 2003-06-03 |