David A. Ziola

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Ashland, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Underground pipe pulling process and pipe pull head
- Patent number 10,473,236
- Issue date Nov 12, 2019
- David A. Ziola
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Underground pipe pulling process and pipe pull head
- Patent number 9,951,885
- Issue date Apr 24, 2018
- BOREHEAD, LLC
- David A. Ziola
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Underground pipe pulling process and pipe pull head
- Patent number 9,719,611
- Issue date Aug 1, 2017
- BOREHEAD, LLC
- David A. Ziola
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Underground pipe pulling process and pipe pull head
- Patent number 9,664,305
- Issue date May 30, 2017
- BOREHEAD, LLC
- David A. Ziola
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
UNDERGROUND PIPE PULLING PROCESS AND PIPE PULL HEAD
- Publication number 20180202578
- Publication date Jul 19, 2018
- Borehead, LLC
- David A. ZIOLA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
UNDERGROUND PIPE PULLING PROCESS AND PIPE PULL HEAD
- Publication number 20170219123
- Publication date Aug 3, 2017
- Borehead, LLC
- David A. ZIOLA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
UNDERGROUND PIPE PULLING PROCESS AND PIPE PULL HEAD
- Publication number 20170219122
- Publication date Aug 3, 2017
- Borehead, LLC
- David A. ZIOLA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...