Ronald K. Krieg

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Blaine, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Nonporous liquid impermeable cryogenic barrier
- Patent number 5,507,149
- Issue date Apr 16, 1996
- J. Gregory Dash
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method and apparatus for controlling the flow of crude oil from the...
- Patent number 5,146,987
- Issue date Sep 15, 1992
- RKK, Ltd.
- Ronald K. Krieg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for containment of hazardous material migratio...
- Patent number 5,050,386
- Issue date Sep 24, 1991
- RKK, Limited
- Ronald K. Krieg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Closed cryogenic barrier for containment of hazardous material migr...
- Patent number 4,974,425
- Issue date Dec 4, 1990
- Concept RKK, Limited
- Ronald K. Krieg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Closed cryogenic barrier for containment of hazardous material migr...
- Patent number 4,860,544
- Issue date Aug 29, 1989
- Concept R.K.K. Limited
- Ronald K. Krieg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING