For the Inventor, By the Inventor

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Englewood, CO, United States of America

Ch2m Hill, Inc.

USPTO Granted Patents = 45

Trademarks = 2

Forward Citations = 595

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62 inventors (with patents filed for the assignee):

Glen T Daigger (9 out of 13 patents)

Jan Allen (4 out of 6 patents)

Albert M Wollmann (4 out of 4 patents)

4. John W Lee, Jr (3 out of 3 patents)

5. Bruce R Johnson (3 out of 7 patents)

6. Paul Mueller (3 out of 3 patents)

7. Anthony G Myers (3 out of 3 patents)

8. Edwin J Fleischer (3 out of 3 patents)

9. Arun S Wagh (2 out of 31 patents)

10. Todd Owen Williams (2 out of 2 patents)

11. George V Crawford (2 out of 4 patents)

12. Avinash S Patwardhan (2 out of 2 patents)

13. Sudhir N Murthy (2 out of 3 patents)

14. Thomas A Broderick (2 out of 2 patents)

15. Mitchell H Lindsay (2 out of 2 patents)

Core Competencies:

Vapor Intrusion Sampling

Wastewater Treatment

Bioreactor Technology

Water Quality Trading

Thermal Hydrolysis

Phosphate Ceramics

Ultraviolet Water Treatment

Biosolids Odor Reduction

Cryogenic Drilling

Volatile Organic Compounds Recovery

Modular Biofilter Units

Storm Water Management

45 patents: Sort by Forward Citations

1. 10324007 - Passive device for vapor intrusion sampling (2019-06-18),

2. 9885647 - Semi-dynamic leach test device and methods of making and using (2018-02-06),

3. 8742195 - Aluminum phosphate ceramics for waste storage (2014-06-03),

4. 8721887 - Method and system for treating wastewater (2014-05-13),

5. 8313921 - Reclaimable hybrid bioreactor (2012-11-20),

6. 8119003 - Methods for reducing biosolids odors (2012-02-21),

7. 8105490 - Low phosphorus water treatment systems (2012-01-31),

8. 7968760 - Treatment of particulate biodegradable organic waste by thermal hydrolysis using condensate recycle (2011-06-28),

9. 7927493 - Low phosphorus water treatment methods (2011-04-19),

10. 7754090 - Portable ultraviolet water treatment apparatus (2010-07-13),

11. 7745679 - Method of waste stabilization with dewatered chemically bonded phosphate ceramics (2010-06-29),

12. 7645092 - Treatment of in ground chromium ore processing residue (2010-01-12),

13. 7537699 - Methods for reducing biosolids odors (2009-05-26),

14. 7446673 - Intelligent wireless multicast network (2008-11-04),

15. 7435340 - Wastewater treatment system (2008-10-14),

CH2M HILL, Inc. is a global engineering company providing consulting, design, construction, and operations services for corporations, governments, and organizations. They specialize in the areas of water, environmental, transportation, and energy infrastructure. In 2017, CH2M HILL, Inc. was acquired by Jacobs Engineering Group Inc.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

45 Patents

#10 in Englewood, CO

#141 in Colorado

#7,497 in US

#14,978 in the World

Englewood, CO, United States of America

Ch2m Hill, Inc.

Forward Citations = 595

62 inventors:

Glen T Daigger (9 out of 13 patents)

Jan Allen (4 out of 6 patents)

Albert M Wollmann (4 out of 4 patents)

4. John W Lee, Jr (3 out of 3 patents)

5. Bruce R Johnson (3 out of 7 patents)

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