Ralph M. Kallenbach

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Elgin, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Pipe restraint and method for using the same
- Patent number 5,934,423
- Issue date Aug 10, 1999
- Sargent & Lundy
- Ralph M. Kallenbach
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seismic pipe restraint and method for using the same
- Patent number 5,588,511
- Issue date Dec 31, 1996
- Sargent & Lundy
- Ralph M. Kallenbach
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Energy damping device
- Patent number 4,955,467
- Issue date Sep 11, 1990
- Fluor Corporation
- Ralph Kallenbach
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe whip restraint system and energy absorbing device therefor
- Patent number 4,301,989
- Issue date Nov 24, 1981
- Ralph M. Kallenbach
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...