Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586185 | Mixer nozzle assembly | Shawn P. Steffler | 2017-03-07 |
| 9180415 | Mixer nozzle assembly | Shawn P. Steffler | 2015-11-10 |
| 8932413 | Apparatus with control linkage for re-suspending solids in fluid in a tank | — | 2015-01-13 |
| 8734004 | Mixer nozzle assembly | Shawn P. Steffler | 2014-05-27 |
| 8701233 | Mechanism for adjusting the circumference of scraper cups or discs | — | 2014-04-22 |
| 6857329 | Pig for detecting an obstruction in a pipeline | — | 2005-02-22 |
| 6679129 | Pig for detecting an obstruction in a pipeline | — | 2004-01-20 |
| 6129118 | Downstream plug | Jaromir Friedrich, Bronislav Walter | 2000-10-10 |
| 6098664 | Pipeline plug | Jaromir Friedrich | 2000-08-08 |
| 6041811 | Plug for forming an ice barrier in a pipeline | Bronislav Walter, Jaromir Friedrich | 2000-03-28 |
| 5199464 | Pipeline repair sleeve assembly having heat sink groove | — | 1993-04-06 |
| 5186214 | Temporary disintegratable plug for an open-ended oil pipeline | — | 1993-02-16 |
| 5123451 | Pipeline repair sleeve assembly | — | 1992-06-23 |
| 5012842 | Fluid actuated pipe clamp tightener | — | 1991-05-07 |
| 4885044 | Method of controlling hardness of pipe weld-joints by radially inserting insulating rings prior to tempering heat-treatment | — | 1989-12-05 |
| 4875615 | Vapor plug for temporarily sealing or plugging a pipeline | — | 1989-10-24 |
| 4634040 | Process for welding pipe ends and an insulating ring therefor | — | 1987-01-06 |