RD

Roger Drummond

WB Westinghouse Air Brake: 6 patents #71 of 220Top 35%
📍 Arona, PA: #5 of 44 inventorsTop 15%
🗺 Pennsylvania: #11,794 of 74,527 inventorsTop 20%
Overall (All Time): #756,907 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6952932 Aftercooler bypass means for a locomotive compressed air system Walter E. Goettel, Brian L. Cunkelman, Daniel Wagner 2005-10-11
6644934 Aftercooler bypass means for a locomotive compressed air system Walter E. Goettel, Brian L. Cunkelman, Daniel Wagner 2003-11-11
6419465 Shaft extension for use with outboard bearing designs Walter E. Goettel, Ronald Shaffer, James Varney, Brian L. Cunkelman 2002-07-16
6364635 Endplate for use with outboard bearing designs Walter E. Goettel, Ronald Shaffer, James Varney, Brian L. Cunkelman 2002-04-02
6283725 Aftercooler bypass means for a locomotive compressed air system Walter E. Goettel, Brian L. Cunkelman, Daniel Wagner 2001-09-04
6021867 Air compressor bearing lubrication Julie A. Krawczyk, Brian L. Cunkelman, Walter E. Goettel, Daniel Wagner 2000-02-08
5885060 Thermostatically controlled intercooler system for a multiple stage compressor and method Brian L. Cunkelman, Walter E. Goettel, Daniel Wagner 1999-03-23