Inventor · Edmonton, AB, CA

Waldemar Maciejewski

8Patents
7h-index
8Co-inventors
52Inventor score

Filing activity: Nov 24, 1989 → Oct 16, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5264118A Pipeline conditioning process for mined oil-sand Chemistry; Metallurgy 63 Expired
US5039227A Mixer circuit for oil sand Performing Operations; Transporting 51 Expired
US6119870A Cycloseparator for removal of coarse solids from conditioned oil sand slurries Performing Operations; Transporting 44 Expired
US5954277A Agitated slurry pump box for oil sand hydrotransport Mechanical Engineering; Lighting; Heating 28 Expired
US5772127A Slurrying oil sand for hydrotransport in a pipeline Performing Operations; Transporting 25 Expired
US6076753A Agitated slurry pump box for oil sand hydrotransport Mechanical Engineering; Lighting; Heating 20 Expired
US6027056A Slurrying oil sand for hydrotransport in a pipeline Performing Operations; Transporting 12 Expired
US7481318B2 Apparatus and process for coalescing bitumen in an oil sand slurry Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.