William F. Gunderson

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cellular sheet pile retaining systems with unconnected tail walls,...
- Patent number 11,149,395
- Issue date Oct 19, 2021
- PND Engineers, Inc.
- William D. Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cellular sheet pile retaining systems with unconnected tail walls,...
- Patent number 10,024,017
- Issue date Jul 17, 2018
- PND Engineers, Inc.
- William D. Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
CELLULAR SHEET PILE RETAINING SYSTEMS WITH UNCONNECTED TAIL WALLS,...
- Publication number 20190100893
- Publication date Apr 4, 2019
- PND Engineers, Inc.
- William D. Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CELLULAR SHEET PILE RETAINING SYSTEMS WITH UNCONNECTED TAIL WALLS,...
- Publication number 20110064527
- Publication date Mar 17, 2011
- PND Engineers, Inc.
- William D. Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING