David J Schreifels

Title: Innovations of David J Schreifels

Introduction

David J Schreifels is an accomplished inventor based in Vadnais Heights, MN (US). He holds 2 patents that showcase his expertise in polymer coatings and photoconductive assemblies. His innovative approaches have contributed significantly to advancements in these fields.

Latest Patents

One of his latest patents is titled "Coating apparatus and methods of applying a polymer coating." This invention discloses methods for applying a polymer coating to a substrate by disrupting a bank of polymer precursor, allowing for a smooth coating of fast-setting polymer. The apparatus for applying this coating includes an oscillating dispenser that applies polymer precursor onto a dispersive surface. The polymer precursor then flows down the surface and is transferred to a moving web. Additionally, flowing solvent downwardly through the dispenser provides efficient cleaning without the need for disassembly or production delays. Another notable patent is "Release layer for photoconductors," which describes a photoconductive assembly comprising an electroconductive substrate, a photoconductive layer, and a release layer made of a silicone polymer with a bimodal distribution of chain lengths between cross-links.

Career Highlights

David has worked with prominent companies such as 3M Innovative Properties Company and Minnesota Mining and Manufacturing Company. His contributions in these organizations have been instrumental in developing innovative technologies and products.

Collaborations

Throughout his career, David has collaborated with notable coworkers, including Robert J Fleming and Michael E Mehsikomer. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

David J Schreifels is a notable inventor whose work in polymer coatings and photoconductive assemblies has made a lasting impact. His patents reflect his innovative spirit and dedication to advancing technology.