Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238952 | Annular isolation with tension-set external mechanical casing (EMC) packer | Henry E. Rogers, Frank Acosta | 2016-01-19 |
| 8230926 | Multiple stage cementing tool with expandable sealing element | Henry E. Rogers, Alan Tancel Jackson | 2012-07-31 |
| 7694732 | Diverter tool | Henry E. Rogers, Nicholas C. Braun | 2010-04-13 |
| 7533729 | Reverse cementing float equipment | Henry E. Rogers, David D. Szarka | 2009-05-19 |
| 7322432 | Fluid diverter tool and method | Henry E. Rogers, Nicholas C. Braun | 2008-01-29 |
| 6896051 | Anti-rotation method and apparatus for limiting rotation of cementing plugs | Earl Webb, Michael D. Stevens | 2005-05-24 |
| 5494103 | Well jetting apparatus | Jim B. Surjaatmadja, David D. Szarka | 1996-02-27 |
| 5361856 | Well jetting apparatus and met of modifying a well therewith | Jim B. Surjaatmadja, David D. Szarka | 1994-11-08 |