MD

Martin W. Dirker

PL Perkins Engines Company Limited: 7 patents #3 of 209Top 2%
Caterpillar: 2 patents #2,982 of 8,398Top 40%
📍 Bourne, GB: #1 of 25 inventorsTop 4%
Overall (All Time): #577,583 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8342204 Rotary valve for use in an internal combustion engine 2013-01-01
8100102 Cylinder head for an internal combustion engine 2012-01-24
8100144 Mounting arrangement for a rotary valve 2012-01-24
7926461 System for controlling fluid flow 2011-04-19
7841324 Breathing for an internal combustion engine James D. Wotherspoon 2010-11-30
7802550 Cylinder head arrangement including a rotary valve 2010-09-28
7802551 Cylinder head for an internal combustion engine 2010-09-28
7721689 System and method for controlling fluid flow to or from a cylinder of an internal combustion engine 2010-05-25
7591240 Method for providing a mixture of air and exhaust 2009-09-22