Douglas R. McPherson

Person

East Longmeadow, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Vacuum control valve for vacuum drainage system
- Patent number 9,404,588
- Issue date Aug 2, 2016
- Paperchine, Inc.
- Douglas R. McPherson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Papermaking machine dewatering blade incorporating attachment mecha...
- Patent number 8,097,122
- Issue date Jan 17, 2012
- AstenJohnson, Inc.
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Composite construction for dewatering blades for a papermaking machine
- Patent number 7,918,969
- Issue date Apr 5, 2011
- AstenJohnson, Inc.
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Headbox and stock delivery system for a papermaking machine
- Patent number 7,578,906
- Issue date Aug 25, 2009
- AstenJohnson, Inc.
- Jay A. Shands
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Shaped slot vacuum dewatering box cover
- Patent number 7,540,943
- Issue date Jun 2, 2009
- AstenJohnson, Inc.
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Twin fabric forming section blade mounting
- Patent number 6,361,657
- Issue date Mar 26, 2002
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus and method of generating stock turbulence in a fourdrinie...
- Patent number 6,126,786
- Issue date Oct 3, 2000
- James D. White
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Clip fastener for a dewatering box
- Patent number 5,630,910
- Issue date May 20, 1997
- JWI Ltd.
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pressurized forming board
- Patent number 5,080,760
- Issue date Jan 14, 1992
- JWI Ltd.
- David T. Smith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pressure control forming section
- Patent number 5,011,577
- Issue date Apr 30, 1991
- JWI Ltd.
- Victor E. Hansen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
VACUUM CONTROL VALVE FOR VACUUM DRAINAGE SYSTEM
- Publication number 20140183390
- Publication date Jul 3, 2014
- AstenJohnson, Inc.
- Douglas R. Mcpherson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PAPERMAKING MACHINE DEWATERING BLADE INCORPORATING ATTACHMENT MECHA...
- Publication number 20100236739
- Publication date Sep 23, 2010
- ASTENJOHNSON INC
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMPOSITE CONSTRUCTION FOR DEWATERING BLADES FOR A PAPERMAKING MACHINE
- Publication number 20080230197
- Publication date Sep 25, 2008
- AstenJohnson, Inc.
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HEADBOX AND STOCK DELIVERY SYSTEM FOR A PAPERMAKING MACHINE
- Publication number 20070267164
- Publication date Nov 22, 2007
- AstenJohnson, Inc.
- Jay A. Shands
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Shaped slot vacuum dewatering box cover
- Publication number 20070144699
- Publication date Jun 28, 2007
- Asten Johnson, Inc.
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Twin fabric forming section blade mounting
- Publication number 20010002692
- Publication date Jun 7, 2001
- Douglas R. McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Douglas R. McPherson

Person

Patents Grantslast 30 patents

Vacuum control valve for vacuum drainage system

Papermaking machine dewatering blade incorporating attachment mecha...

Composite construction for dewatering blades for a papermaking machine

Headbox and stock delivery system for a papermaking machine

Shaped slot vacuum dewatering box cover

Twin fabric forming section blade mounting

Apparatus and method of generating stock turbulence in a fourdrinie...

Clip fastener for a dewatering box

Pressurized forming board

Pressure control forming section

Patents Applicationslast 30 patents

VACUUM CONTROL VALVE FOR VACUUM DRAINAGE SYSTEM

PAPERMAKING MACHINE DEWATERING BLADE INCORPORATING ATTACHMENT MECHA...

COMPOSITE CONSTRUCTION FOR DEWATERING BLADES FOR A PAPERMAKING MACHINE

HEADBOX AND STOCK DELIVERY SYSTEM FOR A PAPERMAKING MACHINE

Shaped slot vacuum dewatering box cover

Twin fabric forming section blade mounting