Ronald Douglas Drake
Engineers at Snowcone Pl, Pismo Beach, CA
License number
Colorado 16103
Issued Date
Mar 16, 1979
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
2525 Snowcone Pl, Pismo Beach, CA 93420
Professional information
Method And Means For Processing Oil Sands While Excavating
US Patent:
7461901, Dec 9, 2008
Filed:
Nov 9, 2006
Appl. No.:
11/558335
Inventors:
Ronald D. Drake - Arroyo Grande CA, US
Michael Helmut Kobler - Sebastopol CA, US
John David Watson - Evergreen CO, US
Michael Helmut Kobler - Sebastopol CA, US
John David Watson - Evergreen CO, US
Assignee:
OSUM Oil Sands Corp. - Alberta
International Classification:
E21C 41/24
US Classification:
299 8
Abstract:
The present invention is directed to the separation of bitumen, such as by the Clark process or by a countercurrent de-sander, in an underground excavation machine, such as a tunnel boring machine.
Method And Means For Processing Oil Sands While Excavating
US Patent:
7448692, Nov 11, 2008
Filed:
Dec 6, 2004
Appl. No.:
11/005759
Inventors:
Ronald D. Drake - Arroyo Grande CA, US
Michael Helmut Kobler - Sebastopol CA, US
John David Watson - Evergreen CO, US
Michael Helmut Kobler - Sebastopol CA, US
John David Watson - Evergreen CO, US
Assignee:
OSUM Oil Sands.Corp
International Classification:
E21C 41/24
US Classification:
299 8, 299 55
Abstract:
The present invention is directed to the separation of bitumen, such as by the Clark process or by a countercurrent de-sander, in an underground excavation machine, such as a tunnel boring machine.
Method And Means For Processing Oil Sands While Excavating
US Patent:
7097255, Aug 29, 2006
Filed:
Jan 9, 2003
Appl. No.:
10/339940
Inventors:
Ronald D. Drake - Arroyo Grande CA, US
Michael Helmut Kobler - Sebastopol CA, US
John David Watson - Evergreen CO, US
Michael Helmut Kobler - Sebastopol CA, US
John David Watson - Evergreen CO, US
Assignee:
Oil Sands Underground Mining Corp. - Alberta
International Classification:
E21C 41/24
US Classification:
299 8, 299 56
Abstract:
The present invention is directed to the separation of bitumen, such as by the Clark process or by a countercurrent de-sander, in an underground excavation machine, such as a tunnel boring machine.