| 9458375 |
Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material |
Robert S. Pfeiffer |
2016-10-04 |
| 9434872 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2016-09-06 |
| 9333542 |
Method to stimulate and sustain the anaerobic biodegradation of light non-aqueous phase liquid |
— |
2016-05-10 |
| 9057082 |
Generation of methane from hydrocarbon bearing materials |
Roland P. DeBruyn, James B. Dodson, Robert S. Pfeiffer, Eric L. Szaloczi, Jeffrey L. Weber |
2015-06-16 |
| 8794315 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2014-08-05 |
| 8770282 |
Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material |
Robert S. Pfeiffer |
2014-07-08 |
| 8715978 |
Generation of hydrogen from hydrocarbon bearing materials |
Roland P. DeBruyn, James B. Dodson, Robert S. Pfeiffer, Eric L. Szaloczi, Jeffrey L. Weber |
2014-05-06 |
| 8679340 |
Method to stimulate and sustain the anaerobic biodegradation of light non-aqueous phase liquid |
— |
2014-03-25 |
| 8479813 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Verlin Dannar, Robert S. Pfeiffer, Roland P. DeBruyn, Shane Bower, Jeffrey L. Weber +4 more |
2013-07-09 |
| 8302683 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2012-11-06 |
| 8092559 |
Generation of hydrogen from hydrocarbon bearing materials |
Roland P. DeBruyn, James B. Dodson, Robert S. Pfeiffer, Eric L. Szaloczi, Jeffrey L. Weber |
2012-01-10 |
| 8067223 |
Thermacetogenium phaeum consortium for the production of materials with enhanced hydrogen content |
Robert S. Pfeiffer, Gary Vanzin |
2011-11-29 |
| 8051908 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2011-11-08 |
| 7977282 |
Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material |
Robert S. Pfeiffer, Roland P. DeBruyn, Gary Vanzin |
2011-07-12 |
| 7975762 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2011-07-12 |
| 7871792 |
Thermacetogenium phaeum consortium for the production of materials with enhanced hydrogen content |
Robert S. Pfeiffer, Gary Vanzin |
2011-01-18 |
| 7845403 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2010-12-07 |
| 7696132 |
Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material |
Robert S. Pfeiffer, Mark Finkelstein |
2010-04-13 |
| 7640978 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2010-01-05 |
| 7426960 |
Biogenic fuel gas generation in geologic hydrocarbon deposits |
Robert S. Pfeiffer, Gary Vanzin, Verlin Dannar, Roland P. DeBruyn, James B. Dodson |
2008-09-23 |
| 7416879 |
Thermacetogenium phaeum consortium for the production of materials with enhanced hydrogen content |
Robert S. Pfeiffer, Gary Vanzin |
2008-08-26 |