Inventor

KOPECKY WILLIAM J

US42 patents

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

KOPECKY WILLIAM J

3M INNOVATIVE PROPERTIES CO

Monocomponent monolayer meltblown web and meltblowing apparatus

Composite polymer fibers

Optical elements containing a polymer fiber weave

Composite polymer fibers

Multilayer polarizing fibers and polarizers using same

Spiral multilayer fibers

Floor cleaning system

Three-dimensional polymeric strand netting, dies, and methods of making the same

Nettings, dies, and methods of making the same

Mechanical fastening nets and methods of making the same

Shim-stack foaming die

Filtration medium including polymeric netting of ribbons and strands

Slot die position adjustment and return to baseline

Laminates and methods of making the same

Respirator including polymeric netting and method of forming same

Film with alternating stripes and strands and apparatus and method for making the same

Three-dimensional polymeric strand netting, dies, and methods of making the same

Polymeric netting of ribbons and strands and methods of making the same

Film with layered segments and apparatus and method for making the same

Methods of making films comprising an array of openings

Polymeric netting of strands and first and second ribbons and methods of making the same

Polymeric netting with ribbons and strands, and methods of making the same

Polymeric layers and methods of making the same

3M INNOVATIVE PROPERTIES COMPANY

Extruding connected hollow strands

Coextruded polymeric article and method of making the same

Coextruded polymeric article and method of making the same

Nettings

Coextruded articles, dies and methods of making the same

Coextruded polymeric article and method of making the same

Orientation of magnetic fillers to optimize film properties

Coextruded polymeric nettings and method of making the same

HANSCHEN THOMAS P

Mechanical fastening nets and methods of making the same

Structured surface with multiple-post caps and method of making the same

AUSEN RONALD W

Composite layer

Extrusion die element, extrusion die and method for making multiple stripe extrudate

MOORE ERIC M

Apparatus, system, and method for forming nanofibers and nanofiber webs

YAPEL ROBERT A

Slot die position adjustment control

TRICE JENNIFER L

Slot die position adjustments to facilitate patterned products

LOUKUSA PENTTI K

Slot die position adjustment and return to baseline

BLUEM GREGORY L

Color shifting multilayer polymer fibers and security articles containing color shifting multilayer polymer fibers

BRANDNER JOHN M

Process of making a monocomponent non-woven web

WILSON BRUCE B

Melt extruded fibers and methods of making the same