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Bernard H. Woltjer

RD Rapistan Demag: 6 patents #1 of 21Top 5%
RA Rapistan: 2 patents #3 of 16Top 20%
MR Mannesmann Dematic Rapistan: 1 patents #9 of 31Top 30%
RA Rapistan Systems Advertising: 1 patents #33 of 82Top 45%
📍 Jenison, MI: #17 of 168 inventorsTop 15%
🗺 Michigan: #9,426 of 86,293 inventorsTop 15%
Overall (All Time): #524,492 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6609607 Article separation conveyor Douglas E. Olson, John R. Stafford, Gerald A. Brouwer, Ricardo N. Schiesser, Dennis J. Schuitema 2003-08-26
6152288 High volume storage system with power and free drive Dennis J. Schuitema 2000-11-28
5540323 Modular pneumatic accumulation conveyor Ricardo N. Schiesser, David Cotter 1996-07-30
5531311 Conveyor article propelling roller drive system Curtis E. LeMay, David Cotter 1996-07-02
5429225 Modular pneumatic accumulation conveyor and method Ricardo N. Schiesser, David Cotter 1995-07-04
5415281 High speed article unscrambler and aligner Eric R. Taylor, Curtis E. LeMay, Gerald A. Brouwer 1995-05-16
5358097 Accumulation conveyor with retractable sensor Douglas J. Bakkila, Samuel J. DeMan, David Cotter, Arthur J. Terpstra, Jr. 1994-10-25
5191967 Conveyor system having non-singulating accumulation conveyor Arthur J. Terpstra, Jr. 1993-03-09
5127510 Modular diverter shoe and slat construction David Cotter, Curtis E. LeMay 1992-07-07
4738347 Diverter shoe and diverting rail Gerald A. Brouwer, William J. Campbell, Charles W. Saur 1988-04-19