Inventor

LEONARD WILLIAM K

US28 patents

⚠️ This page may combine multiple inventors who share the name “LEONARD WILLIAM K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEONARD WILLIAM K

MINNESOTA MINING & MFG

Method and apparatus for applying thin fluid coating stripes

Shaped abrasive particles and method of making same

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

Method and apparatus for applying thin fluid coatings

Method of making double-sided pressure-sensitive adhesive tape

Method and apparatus for coating substrates using an air knife

Method and apparatus for extruding bingham plastic-type materials

Multiple layer coating method

Slot coating method and apparatus

Coating die with slot thickness control

Method of thickness control for dies

Roll gap controller for regulating coating thickness

3M INNOVATIVE PROPERTIES CO

Method for improving the uniformity of a wet coating on a substrate using pick-and-place devices

Strand coating device and method

Variable electrostatic spray coating apparatus and method

Electrostatic spray coating apparatus and method

Method for coating a limited length substrate using rotating support and at least one pick-and-place roll

Strand coating device and method

Method for improving the uniformity of a wet coating on a substrate using at least two wire-wound rods

Coating device and method using pick-and-place devices having equal or substantially equal periods

Coating device and method using pick-and-place devices having equal or substantially equal periods

Wet coating improvement station

LEONARD WILLIAM K

Method and apparatus for electric treatment of substrates

Method and apparatus for electric treatment of substrates

Method and apparatus for electric

Method and apparatus for electric treatment of substrates

Fluid transport media

MINNESOTA MINNING & MANUFACTUR

Shaped abrasive particles and method of making same