William D. Abbema

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Pearland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Cylindrical corrosion barrier for pipe connections
- Patent number 5,566,984
- Issue date Oct 22, 1996
- William D. Abbema
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Coupled pipe assembly having a tapered interior sleeve
- Patent number 5,346,261
- Issue date Sep 13, 1994
- Tuboscope Vetco International, Inc.
- William D. Abbema
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...