RP

Richard Pitt

AS Astenjohnson: 8 patents #6 of 70Top 9%
JW Jwi: 3 patents #7 of 59Top 15%
Overall (All Time): #423,513 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
RE43679 Adjustable activity drainage box Roy Van Essen, Mark Landry 2012-09-25
RE40720 Fabric support element for a papermaking machine John G. Buchanan, Roy Van Essen, Karl Lemme, Vaughn Wildfong 2009-06-09
7524401 Hybrid type forming section for a paper making machine Vaughn Wildfong, Thomas Helbig 2009-04-28
7524402 Gap type forming section for a two fabric paper making machine Vaughn Wildfong 2009-04-28
7005040 Fabric support element for a papermaking machine John G. Buchanan, Roy Van Essen, Karl Lemme, Vaughn Wildfong 2006-02-28
6984291 Vacuum box with skimmer blade 2006-01-10
6982025 Adjustable resilient blade support 2006-01-03
6780286 Adjustable activity drainage box Roy Van Essen, Mark Landry 2004-08-24
6126786 Apparatus and method of generating stock turbulence in a fourdrinier forming section James D. White, Douglas R. McPherson 2000-10-03
5735330 Formation in a two fabric paper machine Werner Buchmann, Michael McMahon 1998-04-07
5080760 Pressurized forming board David Smith, Douglas R. McPherson 1992-01-14
5011577 Pressure control forming section Victor E. Hansen, David Smith, Douglas R. McPherson 1991-04-30