William K. Leonard

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fluid transport media
- Patent number 9,700,912
- Issue date Jul 11, 2017
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Strand coating device and method
- Patent number 7,329,435
- Issue date Feb 12, 2008
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Coating device and method using pick-and-place devices having equal...
- Patent number 7,311,780
- Issue date Dec 25, 2007
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Wet coating improvement station
- Patent number 7,279,042
- Issue date Oct 9, 2007
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Electrostatic spray coating apparatus and method
- Patent number 6,969,540
- Issue date Nov 29, 2005
- 3M Innovative Properties Company
- Albert E. Seaver
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Strand coating device and method
- Patent number 6,926,772
- Issue date Aug 9, 2005
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method for coating a limited length substrate using rotating suppor...
- Patent number 6,899,922
- Issue date May 31, 2005
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Coating device and method using pick-and-place devices having equal...
- Patent number 6,878,408
- Issue date Apr 12, 2005
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method for improving the uniformity of a wet coating on a substrate...
- Patent number 6,855,374
- Issue date Feb 15, 2005
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method for improving the uniformity of a wet coating on a substrate...
- Patent number 6,737,113
- Issue date May 18, 2004
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Variable electrostatic spray coating apparatus and method
- Patent number 6,579,574
- Issue date Jun 17, 2003
- 3M Innovative Properties Company
- Albert E. Seaver
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Shaped abrasive particles and method of making same
- Patent number 5,984,988
- Issue date Nov 16, 1999
- Minnesota Minning and Manufacturing Company
- Todd A. Berg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method and apparatus for applying thin fluid coating stripes
- Patent number 5,733,608
- Issue date Mar 31, 1998
- Minnesota Mining and Manufacturing Company
- Carl R. Kessel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for applying thin fluid coatings
- Patent number 5,641,544
- Issue date Jun 24, 1997
- Minnesota Mining and Manufacturing Company
- Kurt C. Melancon
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Double-sided pressure-sensitive adhesive tape and method of making
- Patent number 5,599,602
- Issue date Feb 4, 1997
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making double-sided pressure-sensitive adhesive tape
- Patent number 5,589,122
- Issue date Dec 31, 1996
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Coating die with slot thickness control
- Patent number 5,587,184
- Issue date Dec 24, 1996
- Minnesota Mining and Manufacturing
- William K. Leonard
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multiple layer coating method
- Patent number 5,525,376
- Issue date Jun 11, 1996
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Slot coating method and apparatus
- Patent number 5,506,000
- Issue date Apr 9, 1996
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for coating substrates using an air knife
- Patent number 5,505,995
- Issue date Apr 9, 1996
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of thickness control for dies
- Patent number 5,464,577
- Issue date Nov 7, 1995
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Roll gap controller for regulating coating thickness
- Patent number 5,409,732
- Issue date Apr 25, 1995
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method and apparatus for extruding bingham plastic-type materials
- Patent number 5,304,331
- Issue date Apr 19, 1994
- Minnesota Mining and Manufacturing Company
- William K. Leonard
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Shaped abrasive particles and method of making same
- Patent number 5,201,916
- Issue date Apr 13, 1993
- Minnesota Mining and Manufacturing Company
- Todd A. Berg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
FLUID TRANSPORT MEDIA
- Publication number 20170304858
- Publication date Oct 26, 2017
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
METHOD AND APPARATUS FOR ELECTRIC TREATMENT OF SUBSTRATES
- Publication number 20140123854
- Publication date May 8, 2014
- William K. Leonard
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
FLUID TRANSPORT MEDIA
- Publication number 20140000513
- Publication date Jan 2, 2014
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Strand coating device and method
- Publication number 20050257737
- Publication date Nov 24, 2005
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Coating device and method using pick-and-place devices having equal...
- Publication number 20050139154
- Publication date Jun 30, 2005
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Method for improving the uniformity of a wet coating on a substrate...
- Publication number 20040187773
- Publication date Sep 30, 2004
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Electrostatic spray coating apparatus and method
- Publication number 20040185180
- Publication date Sep 23, 2004
- 3M Innovative Properties Company
- Albert E. Seaver
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Strand coating device and method
- Publication number 20030161964
- Publication date Aug 28, 2003
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Sheet coater
- Publication number 20030003238
- Publication date Jan 2, 2003
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Electrostatic spray coating apparatus and method
- Publication number 20020192360
- Publication date Dec 19, 2002
- 3M Innovative Properties Company
- Albert E. Seaver
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Variable electrostatic spray coating apparatus and method
- Publication number 20020182333
- Publication date Dec 5, 2002
- 3M Innovative Properties Company
- Albert E. Seaver
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Coating device and method
- Publication number 20020132049
- Publication date Sep 19, 2002
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Coating device and method using wire-wound rods
- Publication number 20020094384
- Publication date Jul 18, 2002
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Coating device and method using pick-and-place devices having equal...
- Publication number 20020090457
- Publication date Jul 11, 2002
- 3M Innovative Properties Company
- William K. Leonard
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

William K. Leonard

Person

Patents Grantslast 30 patents

Fluid transport media

Strand coating device and method

Coating device and method using pick-and-place devices having equal...

Wet coating improvement station

Electrostatic spray coating apparatus and method

Strand coating device and method

Method for coating a limited length substrate using rotating suppor...

Coating device and method using pick-and-place devices having equal...

Method for improving the uniformity of a wet coating on a substrate...

Method for improving the uniformity of a wet coating on a substrate...

Variable electrostatic spray coating apparatus and method

Shaped abrasive particles and method of making same

Method and apparatus for applying thin fluid coating stripes

Method and apparatus for applying thin fluid coatings

Double-sided pressure-sensitive adhesive tape and method of making

Method of making double-sided pressure-sensitive adhesive tape

Coating die with slot thickness control

Multiple layer coating method

Slot coating method and apparatus

Method and apparatus for coating substrates using an air knife

Method of thickness control for dies

Roll gap controller for regulating coating thickness

Method and apparatus for extruding bingham plastic-type materials

Shaped abrasive particles and method of making same

Patents Applicationslast 30 patents

FLUID TRANSPORT MEDIA

METHOD AND APPARATUS FOR ELECTRIC TREATMENT OF SUBSTRATES

FLUID TRANSPORT MEDIA

Strand coating device and method

Coating device and method using pick-and-place devices having equal...

Method for improving the uniformity of a wet coating on a substrate...

Electrostatic spray coating apparatus and method

Strand coating device and method

Sheet coater

Electrostatic spray coating apparatus and method

Variable electrostatic spray coating apparatus and method

Coating device and method

Coating device and method using wire-wound rods

Coating device and method using pick-and-place devices having equal...