Brandell; John T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brandell; John T..The latest application filed is for "downhole plug apparatus".
- Brandell; John T. - Duncan OK
| Patent | Date |
|---|---|
| Downhole plug apparatus Grant 9,359,863 - Streich , et al. June 7, 2 | 2016-06-07 |
| Downhole Plug Apparatus App 20140311752 - Streich; Steven G. ; et al. | 2014-10-23 |
| Multiple zones frac tool Grant 6,896,061 - Hriscu , et al. May 24, 2 | 2005-05-24 |
| Multiple zones frac tool App 20030183391 - Hriscu, Iosif J. ; et al. | 2003-10-02 |
| Casing inflation packer Grant 5,400,855 - Stepp , et al. March 28, 1 | 1995-03-28 |
| Knife gate valve stage cementer Grant 5,299,640 - Streich , et al. April 5, 1 | 1994-04-05 |
| Mechanical cementing packer collar Grant 5,279,370 - Brandell , et al. January 18, 1 | 1994-01-18 |
| Wedge lock ring Grant 5,178,216 - Giroux , et al. January 12, 1 | 1993-01-12 |
| Packer for use in, and method of, cementing a tubing string in a well without drillout Grant 5,117,910 - Brandell , et al. June 2, 1 | 1992-06-02 |
| External sleeve cementing tool Grant 5,038,862 - Giroux , et al. August 13, 1 | 1991-08-13 |
| Casing valve Grant 4,991,654 - Brandell , et al. February 12, 1 | 1991-02-12 |
| Casing packer shoe Grant 4,961,465 - Brandell October 9, 1 | 1990-10-09 |
| Well completions using casing valves Grant 4,949,788 - Szarka , et al. August 21, 1 | 1990-08-21 |
| Sliding sleeve casing tool Grant 4,880,059 - Brandell , et al. November 14, 1 | 1989-11-14 |
| Safety joint Grant 4,484,633 - Brandell November 27, 1 | 1984-11-27 |
| Downhole tool inflatable packer assembly Grant 4,458,752 - Brandell July 10, 1 | 1984-07-10 |
| Downhole pump and testing apparatus Grant 4,457,367 - Brandell July 3, 1 | 1984-07-03 |
| Downhole tool intake port assembly Grant 4,412,584 - Brandell November 1, 1 | 1983-11-01 |
| Downhole pump with floating seal means Grant 4,386,655 - Brandell June 7, 1 | 1983-06-07 |
| Downhole pump and testing apparatus Grant 4,366,862 - Brandell January 4, 1 | 1983-01-04 |
| Downhole pump with pressure limiter Grant 4,313,495 - Brandell February 2, 1 | 1982-02-02 |
| Down hole pump and testing apparatus Grant 4,246,964 - Brandell January 27, 1 | 1981-01-27 |
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