HW

Harold D. Welch

MA Marquip: 9 patents #4 of 67Top 6%
IS Impact Systems: 1 patents #6 of 15Top 40%
📍 Phillips, WI: #3 of 43 inventorsTop 7%
🗺 Wisconsin: #4,698 of 40,088 inventorsTop 15%
Overall (All Time): #524,731 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6350333 Laminator for corrugated paperboard sheets Dennis L. Lemke, Alan J. Pipkorn, James A. Wiedenhoeft 2002-02-26
6145211 Contacting thickness gauge for moving sheet material Pekka M. Typpo 2000-11-14
RE36687 Method and apparatus for making pallet supports and pallets incorporating said supports Carl R. Marschke 2000-05-09
5873974 Composite web material Carl R. Marschke 1999-02-23
5857605 Vacuum assisted web drive for corrugator double backer Matthew Tourdot, Paul A. Garvoille, Carl R. Marschke 1999-01-12
5853527 Stationary holddown mat for corrugator double backer Carl R. Marschke, James A. Cummings 1998-12-29
5746010 Web holddown and drive for corrugator double backer Carl R. Marschke, James A. Cummings 1998-05-05
5706994 Vacuum assisted web drive for corrugator double backer Matthew Tourdot, Paul A. Garvoille, Carl R. Marschke 1998-01-13
5472540 Method and apparatus for making pallet supports and pallets incorporating said supports Carl R. Marschke 1995-12-05
4809573 Adaptive torque control of cutoff knife pull roll 1989-03-07