DP

David W. Procknow

BS Briggs & Stratton: 30 patents #4 of 490Top 1%
GI Gas Research Institute: 2 patents #168 of 808Top 25%
📍 Elm Grove, WI: #5 of 140 inventorsTop 4%
🗺 Wisconsin: #899 of 40,088 inventorsTop 3%
Overall (All Time): #110,463 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
8733072 Starter system for an engine Jason A. Hansen, Robert Koenen, Stephen J. Lavender, Jason D. Elvers 2014-05-27
8517146 Hose cap coupler and clip Christopher J. Drew, Paul A. Leech, Steven R. Schlosser, John H. Theirmann, Jessica S. Wobschall +1 more 2013-08-27
8337172 Pressure washer pump and engine system Daniel L. Klika, David A. Kratz, Gary J. Gracyalny 2012-12-25
7484409 Fluid level switch Richard A. Dykstra, Gary J. Gracyalny, John Garthwaite 2009-02-03
6349688 Direct lever overhead valve system Gary J. Gracyalny, Richard J. Fotsch, Art Poehlman, Scott Funke 2002-02-26
5314009 Exhaust gas recuperator Jan B. Yates, Brett J. Peterson, Gary D. Goplen 1994-05-24
5230321 Lean-burn internal combustion gas engine John E. Lambert, David A. Trayser 1993-07-27