Knapp; Kenneth M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Knapp; Kenneth M..The latest application filed is for "modular pipeline pig with polymeric spool pieces".
- Knapp; Kenneth M. - Houston TX
| Patent | Date |
|---|---|
| Modular Pipeline Pig with Polymeric Spool Pieces App 20120137458 - Knapp; Kenneth M. | 2012-06-07 |
| Pipeline Pig With Wear-Resistant Inserts App 20100192317 - Knapp; Kenneth M. | 2010-08-05 |
| Aggressive pipeline pig Grant 7,000,280 - Knapp February 21, 2 | 2006-02-21 |
| Molded pipeline pig with hardness variations Grant 6,613,261 - Knapp September 2, 2 | 2003-09-02 |
| Molded pipeline pig with hardness variations App 20030041400 - Knapp, Kenneth M. | 2003-03-06 |
| Method and apparatus for removing paraffin from a fouled pipeline Grant 5,032,185 - Knapp July 16, 1 | 1991-07-16 |
| Unitized pig body for parafin removal Grant 4,603,449 - Knapp August 5, 1 | 1986-08-05 |
| Pig featuring foam filled cavity Grant 4,509,222 - Knapp April 9, 1 | 1985-04-09 |
| Bristle pig cup Grant 4,506,401 - Knapp March 26, 1 | 1985-03-26 |
| Resilient element for a bi-directional pig Grant 3,906,576 - Knapp , et al. September 23, 1 | 1975-09-23 |
| Pipeline Pig Grant 3,863,287 - Knapp , et al. February 4, 1 | 1975-02-04 |
| Pipeline Pig Operable In Two Directions Grant 3,857,132 - Knapp , et al. December 31, 1 | 1974-12-31 |
| Double-dished Pipeline Pig Grant 3,725,968 - Knapp , et al. April 10, 1 | 1973-04-10 |
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