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For the Inventor, By the Inventor

The Woodlands, TX, United States of America

Layne Christensen Company


USPTO Granted Patents = 17


Trademarks = 12

Forward Citations = 219

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24 inventors (with patents filed for the assignee):

goldMedal Paul Sylvester (3 out of 10 patents)

silverMedal Brian Smith (2 out of 4 patents)

bronzeMedal James Jeffrey Harris (2 out of 8 patents)

4.  James Troutt (2 out of 2 patents)

5.  George R King (1 out of 13 patents)

6.  Owen E Boyd (1 out of 4 patents)

7.  Neil Mansuy (1 out of 10 patents)

8.  Stefano Campanini (1 out of 1 patent)

9.  Gianmaria Vitali (1 out of 1 patent)

10.  James Maggert (1 out of 1 patent)

11.  Paul Mander (1 out of 1 patent)

12.  Krasimir Zahariev (1 out of 1 patent)

13.  Kyle Jones (1 out of 1 patent)

14.  Ralph Bonanotte (1 out of 2 patents)

15.  Doug Beck (1 out of 1 patent)


17 patents:

1. 10596580 - Fluid separator device (2020-03-24),
2. 10145188 - Automated rod manipulator (2018-12-04),
3. 8851203 - Sonic drill head (2014-10-07),
4. 8303825 - Surface purveyed filtration process (2012-11-06),
5. 8114287 - Surface purveyed filtration device (2012-02-14),
6. 7988437 - Method and apparatus for installing flexible linings in underground pipes (2011-08-02),
7. 7588744 - Method of recovering phosphate for reuse as a fertilizer (2009-09-15),
8. 7455779 - Process for selective removal and immobilization of contaminants from spent sorbents (2008-11-25),
9. 7438501 - Ground freezing installation accommodating thermal contraction of metal feed pipes (2008-10-21),
10. 7407587 - Method and sorbent for selective removal of contaminants from fluids (2008-08-05),
11. 7378372 - Filter and sorbent for removal of contaminants from a fluid (2008-05-27),
12. 6796139 - Method and apparatus for artificial ground freezing (2004-09-28),
13. 6533035 - Method and apparatus for stimulating well production (2003-03-18),
14. 6247484 - Eave construction for large canopies (2001-06-19),
15. 6142232 - Method and apparatus for cleaning wells (2000-11-07),
Layne Christensen Company is a global solutions provider for the water, mineral, and energy markets. With over 135 years of experience, they offer a wide range of specialized construction, drilling, and well services to various industries worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

17 Patents

#27 in The Woodlands, TX

#1,133 in Texas

#18,330 in US

#34,849 in the World

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The Woodlands, TX, United States of America

Layne Christensen Company

Forward Citations = 219

24 inventors:

goldMedal Paul Sylvester (3 out of 10 patents)

silverMedal Brian Smith (2 out of 4 patents)

bronzeMedal James Jeffrey Harris (2 out of 8 patents)

4.  James Troutt (2 out of 2 patents)

5.  George R King (1 out of 13 patents)

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