Inventor · Victoria, BC, CA

James MacDuff

10Patents
6h-index
1Co-inventors
56Inventor score

Filing activity: May 29, 1984 → Jul 27, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4591368A Built-in vacuum system Performing Operations; Transporting 21 Expired
US6523862B1 Tubing connector with integrated crimp ring and reaming tool for use therewith Mechanical Engineering; Lighting; Heating 16 Expired
US8555926B2 Supply manifold for hydronic system Emerging Cross-Sectional Technologies 15 Active
US6893485B2 Method and kit for use with standard pipe couplings to construct a de-aerator Emerging Cross-Sectional Technologies 15 Expired
US6095571A Tubing connector Emerging Cross-Sectional Technologies 13 Expired
US7364609B2 Method and kit for use with standard pipe couplings to construct a de-aerator Emerging Cross-Sectional Technologies 6 Expired
US9803876B2 Supply manifold with rotatable slider Mechanical Engineering; Lighting; Heating 3 Active
US7913958B2 Twist clip for attaching a fin to a conduit of a hydronic heating system Emerging Cross-Sectional Technologies 1 Active
US10408468B2 Supply manifold with rotatable slider Mechanical Engineering; Lighting; Heating 0 Active
US10845063B2 Hydronic supply manifold Emerging Cross-Sectional Technologies 0 Active

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