Shizhong Duan

Person

Vancouver, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Sheet stabilizer with suction nozzle having center protrusion
- Patent number 9,045,306
- Issue date Jun 2, 2015
- ABB Ltd.
- Shizhong Duan
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Track barcode systems for railroad management
- Patent number 9,045,151
- Issue date Jun 2, 2015
- TECH4U Dynamics Inc.
- Shizhong Duan
- B61 - RAILWAYS
Information Patent Grant
Steam shower having improved maintenance access
- Patent number 8,187,426
- Issue date May 29, 2012
- ABB Ltd.
- John Spachman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Steam distributor for steam showers
- Patent number 7,452,447
- Issue date Nov 18, 2008
- ABB Ltd.
- Shizhong Duan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Steam water spray systems
- Patent number 6,962,296
- Issue date Nov 8, 2005
- ABB Ltd.
- Robert G. Hamel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Spraying nozzle for rewet showers
- Patent number 6,869,031
- Issue date Mar 22, 2005
- ABB Ltd.
- Shizhong Duan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of wetting webs of paper or other hygroscopic material
- Patent number 6,699,365
- Issue date Mar 2, 2004
- ABB Inc.
- Shizhong Duan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Flow monitor for rewet showers
- Patent number 6,460,775
- Issue date Oct 8, 2002
- ABB, Inc.
- Shizhong Duan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
SHEET STABILIZER WITH SUCTION NOZZLE HAVING CENTER PROTRUSION
- Publication number 20150097070
- Publication date Apr 9, 2015
- ABB Ltd.
- Shizhong Duan
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Track Barcode Systems for Railroad Management
- Publication number 20140367462
- Publication date Dec 18, 2014
- TECH4U DYNAMICS INC.
- Shizhong Duan
- B61 - RAILWAYS
Information Patent Application
STEAM SHOWER HAVING IMPROVED MAINTENANCE ACCESS
- Publication number 20090294085
- Publication date Dec 3, 2009
- ABB Ltd.
- John Spachman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Sheet Stabilizer with Suction Nozzle having Center Protrusion
- Publication number 20090134565
- Publication date May 28, 2009
- ABB Ltd.
- Shizhong Duan
- G01 - MEASURING TESTING
Information Patent Application
Steam distributor for steam showers
- Publication number 20040168784
- Publication date Sep 2, 2004
- Shizhong Duan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Steam water spray systems
- Publication number 20040074981
- Publication date Apr 22, 2004
- ABB Inc.
- Robert G. Hamel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Spraying nozzle for rewet showers
- Publication number 20040016828
- Publication date Jan 29, 2004
- Shizhong Duan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Spraying nozzle for rewet showers
- Publication number 20030094254
- Publication date May 22, 2003
- ABB Inc.
- Shizhong Duan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Shizhong Duan

Person

Patents Grantslast 30 patents

Sheet stabilizer with suction nozzle having center protrusion

Track barcode systems for railroad management

Steam shower having improved maintenance access

Steam distributor for steam showers

Steam water spray systems

Spraying nozzle for rewet showers

Method of wetting webs of paper or other hygroscopic material

Flow monitor for rewet showers

Patents Applicationslast 30 patents

SHEET STABILIZER WITH SUCTION NOZZLE HAVING CENTER PROTRUSION

Track Barcode Systems for Railroad Management

STEAM SHOWER HAVING IMPROVED MAINTENANCE ACCESS

Sheet Stabilizer with Suction Nozzle having Center Protrusion

Steam distributor for steam showers

Steam water spray systems

Spraying nozzle for rewet showers

Spraying nozzle for rewet showers