Stephen L Bessinger
Engineers in Farmington, NM
License number
Colorado 26487
Issued Date
Aug 21, 1989
Renew Date
Aug 20, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
PO Box 289, Farmington, NM 87499
Professional information
Use Of Foam To Increase Resistance To Gas Flow In Mine Applications And Apparatus For Delivering Same
US Patent:
2009003, Feb 5, 2009
Filed:
Jul 31, 2008
Appl. No.:
12/183774
Inventors:
James D. Pile - Farmington NM, US
Nigel R. Goff - Farmington NM, US
Stephen L. Bessinger - Farmington NM, US
Nigel R. Goff - Farmington NM, US
Stephen L. Bessinger - Farmington NM, US
International Classification:
E21C 41/00, E21C 25/00
US Classification:
299 10, 299 29
Abstract:
A process for increasing resistance to the flow of gas in underground mining operations includes providing a foam composition at desired selected locations to create a barrier to the flow of gas.