John Burwell

Person

Eagan, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wet well apparatus with base form and installation method regarding...
- Patent number 8,091,728
- Issue date Jan 10, 2012
- Xerxes Corporation
- John Burwell
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Tank retaining system
- Patent number 7,337,590
- Issue date Mar 4, 2008
- Xerxes Corporation
- John Burwell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Double walled containment sumps
- Patent number 7,229,233
- Issue date Jun 12, 2007
- Xerxes Corporation
- John Burwell
- G01 - MEASURING TESTING
Information Patent Grant
Form for street box in underground storage tank installation
- Patent number 7,150,582
- Issue date Dec 19, 2006
- Xerxes Corporation
- John Burwell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tank retaining system
- Patent number 7,028,967
- Issue date Apr 18, 2006
- Xerxes Corporation
- John Burwell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for pressure testing storage tanks
- Patent number 6,889,865
- Issue date May 10, 2005
- Xerxes Corporation
- John Burwell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Triple walled underground storage tank
- Patent number 6,698,610
- Issue date Mar 2, 2004
- Robin Berg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
System and method for detecting leaks in underground storage tank
- Patent number 6,551,024
- Issue date Apr 22, 2003
- Xerxes Corporation
- Robin L. Berg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Oil and water separator
- Patent number 6,517,719
- Issue date Feb 11, 2003
- Xerxes Corporation
- John Burwell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Underground storage tank buoyancy and buoyancy safety factor calcul...
- Patent number 6,467,344
- Issue date Oct 22, 2002
- Xerxes Corporation
- Kiet T. Ly
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Triple walled underground storage tank
- Patent number 6,398,057
- Issue date Jun 4, 2002
- Xerxes Corporation
- Robin Berg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tank upgrading method and tank assembly
- Patent number 6,167,608
- Issue date Jan 2, 2001
- Xerxes Corporation
- John R. Burwell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Female-molded underground storage tank and method of making
- Patent number 5,720,404
- Issue date Feb 24, 1998
- Xerxes Corporation
- Robin Berg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Double walled underground storage tank
- Patent number 5,220,823
- Issue date Jun 22, 1993
- Xerxes Corporation
- Robin Berg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Underground storage tank of corrosion-resistant materials with inte...
- Patent number 4,948,007
- Issue date Aug 14, 1990
- Xerxes Corporation
- Robin Berg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
GEOTHERMAL TANK VAULT WITH TRANSITION FITTINGS
- Publication number 20110220321
- Publication date Sep 15, 2011
- Kevin Bryan Hawthorne
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
WET WELL APPARATUS WITH BASE FORM AND INSTALLATION METHOD REGARDING...
- Publication number 20100084409
- Publication date Apr 8, 2010
- XERXES CORPORATION
- John Burwell
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Flat-sided single-wall attached sump collar
- Publication number 20080099490
- Publication date May 1, 2008
- John Burwell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
30 Foot chamfered deadman
- Publication number 20080101864
- Publication date May 1, 2008
- Albert Dorris
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Form for street box in underground storage tank installation
- Publication number 20060210359
- Publication date Sep 21, 2006
- John Burwell
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Double walled containment sumps
- Publication number 20050201830
- Publication date Sep 15, 2005
- John Burwell
- G01 - MEASURING TESTING
Information Patent Application
Tank retaining system
- Publication number 20050155192
- Publication date Jul 21, 2005
- John Burwell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Tank retaining system
- Publication number 20030205499
- Publication date Nov 6, 2003
- John Burwell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Triple walled underground storage tank
- Publication number 20020084276
- Publication date Jul 4, 2002
- Robin Berg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

John Burwell

Person

Patents Grantslast 30 patents

Wet well apparatus with base form and installation method regarding...

Tank retaining system

Double walled containment sumps

Form for street box in underground storage tank installation

Tank retaining system

Method and apparatus for pressure testing storage tanks

Triple walled underground storage tank

System and method for detecting leaks in underground storage tank

Oil and water separator

Underground storage tank buoyancy and buoyancy safety factor calcul...

Triple walled underground storage tank

Tank upgrading method and tank assembly

Female-molded underground storage tank and method of making

Double walled underground storage tank

Underground storage tank of corrosion-resistant materials with inte...

Patents Applicationslast 30 patents

GEOTHERMAL TANK VAULT WITH TRANSITION FITTINGS

WET WELL APPARATUS WITH BASE FORM AND INSTALLATION METHOD REGARDING...

Flat-sided single-wall attached sump collar

30 Foot chamfered deadman

Form for street box in underground storage tank installation

Double walled containment sumps

Tank retaining system

Tank retaining system

Triple walled underground storage tank