Membership
Tour
Register
Log in
Patrick J. Stephens
Follow
Person
Bellingham, WA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and composition for grouting water-flooded conduits
Patent number
6,415,824
Issue date
Jul 9, 2002
Patrick J. Stephens
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Backfilling underground voids
Patent number
6,322,292
Issue date
Nov 27, 2001
Lloyd P. Zenari
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method for filling voids with aggregate material
Patent number
6,322,293
Issue date
Nov 27, 2001
Patrick J. Stephens
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method and composition for grouting water-flooded conduits
Patent number
6,167,912
Issue date
Jan 2, 2001
Patrick J. Stephens
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and apparatus for high capacity production of finished aqueo...
Patent number
5,803,596
Issue date
Sep 8, 1998
Patrick J. Stephens
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Method and apparatus for continuous production of quick-setting foa...
Patent number
5,803,665
Issue date
Sep 8, 1998
Patrick J. Stephens
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and apparatus for continuous production of colloidally-mixed...
Patent number
5,795,060
Issue date
Aug 18, 1998
Patrick J. Stephens
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for grouting pipe liners
Patent number
5,791,378
Issue date
Aug 11, 1998
Patrick J. Stephens
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Method and apparatus for grouting of tunnel liners
Patent number
5,645,375
Issue date
Jul 8, 1997
Patrick J. Stephens
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
System and method for slipliner renovation of semi-elliptical conduits
Patent number
5,458,155
Issue date
Oct 17, 1995
Patrick J. Stephens
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Method and apparatus for continuous mixing and injection of foamed...
Patent number
5,419,632
Issue date
May 30, 1995
Patrick J. Stephens
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for grouting cavities using a pumpable cement grout
Patent number
5,241,993
Issue date
Sep 7, 1993
Patrick J. Stephens
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Mobile train for backfilling tunnel liners with cement grout
Patent number
5,141,363
Issue date
Aug 25, 1992
Patrick J. Stephens
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Pumpable cement grout
Patent number
5,063,967
Issue date
Nov 12, 1991
Patrick J. Stephens
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
Method for filling voids with aggregate material
Publication number
20020015619
Publication date
Feb 7, 2002
Patrick J. Stephens
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Method and composition for grouting water-flooded conduits
Publication number
20010000874
Publication date
May 10, 2001
Patrick J. Stephens
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...