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CPC
E21C37/005
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
E21C37/00
Other methods or devices for dislodging with or without loading
Current Industry
E21C37/005
by projectiles
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Patents Grants
last 30 patents
Information
Patent Grant
Projectile augmented boring system
Patent number
12,049,825
Issue date
Jul 30, 2024
Hypersciences, Inc.
Mark C. Russell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunneling and mining method using pre-conditioned hole pattern
Patent number
11,976,556
Issue date
May 7, 2024
Hypersciences, Inc.
Mark C. Russell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Projectile drilling system
Patent number
10,557,308
Issue date
Feb 11, 2020
Hypersciences, Inc.
Mark C. Russell
F42 - AMMUNITION BLASTING
Information
Patent Grant
Ram accelerator system
Patent number
10,180,030
Issue date
Jan 15, 2019
Hypersciences, Inc.
Mark C. Russell
F41 - WEAPONS
Information
Patent Grant
Crushing method using large boreholes in underwater rock
Patent number
7,032,978
Issue date
Apr 25, 2006
In Suk Baek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Arrangement for orienting rockets moving in liquids
Patent number
4,601,251
Issue date
Jul 22, 1986
BASF Aktiengesellschaft
Karl Wisseroth
F42 - AMMUNITION BLASTING
Information
Patent Grant
Method of breaking free-standing rock boulders
Patent number
3,963,275
Issue date
Jun 15, 1976
Physics International Company
Charles S. Godfrey
E21 - EARTH DRILLING MINING
Information
Patent Grant
3863723
Patent number
3,863,723
Issue date
Feb 4, 1975
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
PROJECTILE DRILLING SYSTEM
Publication number
20170130531
Publication date
May 11, 2017
HYPERSCIENCES, INC.
MARK C. RUSSELL
F41 - WEAPONS
Information
Patent Application
RAM ACCELERATOR SYSTEM
Publication number
20170030143
Publication date
Feb 2, 2017
HYPERSCIENCES, INC.
MARK C. RUSSELL
F41 - WEAPONS
Information
Patent Application
Crushing method using large boreholes in underwater rock
Publication number
20050194832
Publication date
Sep 8, 2005
In Suk Baek
E21 - EARTH DRILLING MINING