Enter assignee name

Forward Citations = 310

Loading Chart...

8 inventors (with patents filed for the assignee):

Walter L Richards (8 out of 8 patents)

Roger L Henderson (2 out of 2 patents)

George N Aul (2 out of 2 patents)

4. Barry W Pauley (2 out of 2 patents)

5. Robert M Sweet (1 out of 10 patents)

6. Amber C Davidson (1 out of 3 patents)

7. Carel J Brest Van Kempen (1 out of 6 patents)

8. Anil Mahyera (1 out of 3 patents)

9 patents: Sort by Forward Citations

1. 4691789 - Process for establishing a clear horizontal borehole in a subterranean (1987-09-08),

2. 4687060 - Production and grout liner for methane drainage in subterranean (1987-08-18),

3. 4651836 - Process for recovering methane gas from subterranean coalseams (1987-03-24),

4. 4624328 - In-shaft drilling apparatus for recovery of gas from subterranean (1986-11-25),

5. 4611855 - Multiple level methane drainage method (1986-09-16),

6. 4600061 - In-shaft drilling method for recovery of gas from subterranean formations (1986-07-15),

7. 4533182 - Process for production of oil and gas through horizontal drainholes from (1985-08-06),

8. 4484643 - Gas-liquid-solids separation system (1984-11-27),

9. 4452489 - Multiple level methane drainage shaft method (1984-06-05),

Methane Drainage Ventures is a leading engineering and consulting firm specializing in methane gas recovery and control. Our expertise lies in designing and implementing innovative solutions to extract and utilize methane from mines, landfills, and other sources. With a focus on environmental sustainability and energy efficiency, we help our clients reduce greenhouse gas emissions and achieve cost savings. Our experienced team is committed to providing customized solutions that meet the unique needs of each project.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#2 in Placentia, CA

#7,492 in California

#31,603 in US

Placentia, CA, United States of America

Methane Drainage Ventures