Graco Minnesota Inc.

Collins & Aikman Products

David M Muckley

Paul Michael Jones

Charles J Wheeler

Maureen R Putt

Michael C Jezewski

Steven G Sehmer

Daniel J Chase

Brian L Allen

Thomas R Fagan, Jr

Milton D Lenarz

Rotor and universal joint assembly

A progressive cavity pump includes a sealed drive between the rotor and universal joint. The universal joint includes a socket configured to receive a drive shaft of the rotor. A cover, such as a locking nut, is disposed over the connection between the rotor and universal joint. Seals are retained in place by the locking nut to prevent abrasive materials from entering into the interface between the rotor and the universal joint.

Sealed drive for connecting progressive cavity pump rotors to universal joints

Fixed ratio metering system

A multi-layer acoustically absorptive mat includes a base layer having an exposure hole defined therein. A face layer is disposed adjacent the base layer. An acoustic absorbing layer is interposed between the base layer and the face layer. The acoustic absorbing layer includes an exposed portion extending across the exposure hole wherein the base layer is bonded to the acoustic absorbing layer.

Molded acoustic and decorative mats and methods for forming the same

Growing community of inventors

Uniontown, OH, United States of America

David M Muckley