Layne Christensen Company
Patent Applications and Registrations
Patent applications and USPTO patent grants for Layne Christensen Company.The latest application filed is for "fluid separator device".
- Layne Christensen Company - The Woodlands TX
- Layne Christensen Company - Kansas City KS
- Layne Christensen Company - Mission Woods KS
- Layne Christensen Company -
Trademarks
| Patent | Date |
|---|---|
| Fluid Separator Device App 20200179954 - King; George R. | 2020-06-11 |
| Fluid separator device Grant 10,596,580 - King | 2020-03-24 |
| Automated rod manipulator Grant 10,145,188 - Smith , et al. De | 2018-12-04 |
| Fluid Separator Device App 20170297038 - King; George R. | 2017-10-19 |
| Sonic Drill Head App 20140374162 - Smith; Brian ; et al. | 2014-12-25 |
| Sonic drill head Grant 8,851,203 - Smith , et al. October 7, 2 | 2014-10-07 |
| Automated Rod Manipulator App 20140209382 - Smith; Brian ; et al. | 2014-07-31 |
| Surface purveyed filtration process Grant 8,303,825 - Harris November 6, 2 | 2012-11-06 |
| Surface purveyed filtration device Grant 8,114,287 - Harris February 14, 2 | 2012-02-14 |
| Method and apparatus for installing flexible linings in underground pipes Grant 7,988,437 - Bonanotte , et al. August 2, 2 | 2011-08-02 |
| Method of recovering phosphate for reuse as a fertilizer Grant 7,588,744 - Sylvester September 15, 2 | 2009-09-15 |
| Process for selective removal and immobilization of contaminants from spent sorbents Grant 7,455,779 - Boyd , et al. November 25, 2 | 2008-11-25 |
| Ground freezing installation accommodating thermal contraction of metal feed pipes Grant 7,438,501 - Sopko October 21, 2 | 2008-10-21 |
| Method and sorbent for selective removal of contaminants from fluids Grant 7,407,587 - Moller August 5, 2 | 2008-08-05 |
| Filter and sorbent for removal of contaminants from a fluid Grant 7,378,372 - Sylvester May 27, 2 | 2008-05-27 |
| Method and apparatus for artificial ground freezing Grant 6,796,139 - Briley , et al. September 28, 2 | 2004-09-28 |
| Method And Apparatus For Artificial Ground Freezing App 20040168460 - Briley, George ; et al. | 2004-09-02 |
| Method and apparatus for stimulating well production App 20020153135 - Troutt, James ; et al. | 2002-10-24 |
| Automotive hail protection and shade canopy Grant RE37,498 - Thomas January 8, 2 | 2002-01-08 |
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