Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10780963 | Thruster for propelling a watercraft | Marco HUISMAN, Hendrik Alexander Veth | 2020-09-22 |
| 5888289 | Bitumen compositions and a process for their preparation | Henricus Engelbertus Johannes Hendriks, Koen Steernberg, Willem Cornelius Vonk | 1999-03-30 |
| 5278114 | Hydrocarbon conversion process and catalyst composition | Antonius F. H. Wielers, Augustinus C. C. Van Els, Frank Hsian Hok Khouw | 1994-01-11 |
| 4963065 | Centrifugal pump for pulverized material | Andrew M. Scott, Bernardus B. Quist | 1990-10-16 |
| 4869622 | Feed hopper design | James A. Salter, James J. McCusker, Charles M. Arbore, Hendricus A. Dirkse, Rudi Everts +2 more | 1989-09-26 |
| 4605352 | Centrifugal pump for pulverized material | Andrew M. Scott, Bernardus B. Quist | 1986-08-12 |
| 4538735 | Apparatus for separating solids of different shapes | Johannes Boom, Pieter Visser | 1985-09-03 |
| 4506704 | Distributing valve | Johannes Boom | 1985-03-26 |