5 patents
Utility
Projectile Drilling Systems and Methods
13 Jul 23
Spherical projectiles may be used to form one or more holes in geologic or other material.
Mark Russell
Filed: 2 Sep 22
Utility
Projectile Drilling System
6 Oct 22
Geologic material in a borehole is weakened by accelerating a projectile into contact with the material.
MARK C. RUSSELL, LANCE D. UNDERWOOD, LEON VANSTONE, PARKER BAILEY, DESIREE ELIZABETH BERNHARD, TRISTEN CUTSHALL, KAITO J. DURKEE, KORDELL NEWBERG, AARON J. ABEYTA
Filed: 23 Mar 22
Utility
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12 May 22
Systems for forming or extending a tunnel or shaft within geologic material may include a ram accelerator assembly for accelerating one or more projectiles into geologic material to weaken a region of the geologic material.
MARK C. RUSSELL, CHARLES T. RUSSELL
Filed: 30 Nov 21
Utility
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24 Feb 22
Systems for drilling or tunneling include an assembly for accelerating a projectile into a region of geologic material.
MARK C. RUSSELL, LANCE D. UNDERWOOD, TRISTEN CUTSHALL
Filed: 16 Aug 21
Utility
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20 May 21
Systems for forming or extending a tunnel or shaft within a working surface may include a ram accelerator assembly for accelerating a projectile into geologic material to weaken a region of the geologic material.
MARK C. RUSSELL
Filed: 12 Nov 20
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