DL

Donald K. Landphair

JD John Deere: 38 patents #36 of 5,518Top 1%
AC American Cyanamid: 3 patents #469 of 1,554Top 35%
📍 Moline, IL: #2 of 206 inventorsTop 1%
🗺 Illinois: #1,295 of 84,256 inventorsTop 2%
Overall (All Time): #82,206 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
6595148 Individual seed hoppers forming banks of seed hoppers Bradley John Meyer 2003-07-22
5845818 Removable meter cartridge for metering system David Walter Gregor 1998-12-08
5484025 Locking row marker hydraulic cylinders in retracted transport condition Gary Deloy Luxon 1996-01-16
5449042 Rephasing controlling/controlled hydraulic cylinders in folding implement frame Paul R. Riewerts 1995-09-12
5379812 Closed granular chemical handling system Myron L. McCunn, Richard M. Neysinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more 1995-01-10
5224527 Closed granular chemical handling system Myron L. McCunn, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more 1993-07-06
5161473 Seed distribution system and method for a seeding implement Lowell H. Neumeyer, David J. Rylander 1992-11-10
5125438 Closed granular chemical handling system Myron L. McCunn, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more 1992-06-30
5060701 Closed granular chemical handling system Myron L. McCunn, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more 1991-10-29
5029624 Closed granular chemical handling system Myron L. McCunn, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more 1991-07-09
4721167 Hitch flexing hinge Gordon Lee Salley 1988-01-26
4690260 Radial engagement drive coupler 1987-09-01
4607708 Foldable frame flexing hinge Gordon Lee Salley 1986-08-26
4539246 Socket casting with a cast-in ball and method of casting James Doering 1985-09-03